Ammonium acetate formula. Products Applications Services Documents Support .

Ammonium acetate formula It is a white solid, which can be derived from the reaction of ammonia and acetic acid. 0825; IUPAC Standard InChI: Species with the same structure: Ammonium acetate; Information on this page: Notes; May 7, 2021 · Dimethylammonium acetate | C4H11NO2 | CID 57431419 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological Jun 3, 2024 · NH4CH3COO is the chemical formula for ammonium acetate, a compound commonly used in laboratory applications such as buffers and chemical reactions involving However, there is a simpler method using the same information in a convenient formula, based on a rearrangement of the equilibrium equation for the dissociation of a weak acid. Ammonium trifluoroacetate. Finally, it gives Ammonium acetate. 07 Boiling Point (°C): Decomposes Freezing Point (°C): 114 Solubility: Water . Preparation of ammonium acetate extraction solution a. Ammonium acetate. Availability. Synonyms: Ammonium acetate, Ammonium Acetate. The chemical formula of Ammonium acetate is C 2 H 7 NO 2. To prepare a 10 M solution in 1 L, dissolve 770 g of ammonium acetate in 800 mL of H 2 O. Ammonium acetate ≥99%; CAS Number: 631-61-8; EC Number: 211-162-9; Linear Formula: CH3CO2NH4 at Sigma-Aldrich Chemical Formula: NH4CH3CO2. Common Uses: Basic Ammonium Acetate density: 1. Accessed: Buffer Calculations: Formula and Equations. Register free for online tutoring session to clear your doubts. Density of Ammonium Acetate: 1. 0825; IUPAC Standard InChI: Species with the same structure: Ammonium acetate; Information on this page: Notes; 乙酸铵（ammonium acetate），又称醋酸铵，是一种有机化合物，结构简式为CH 3 COONH 4，分子量为77. Nov 21, 2023 · Acetate forms salts such as sodium acetate and ammonium acetate. In the acetic acid one Hydrogen atom was replaced by an ammonium ion. It is Feb 28, 2017 · This monograph for Ammonium Acetate provides, in addition to common physical constants, a general description including typical appearance, applications, change in state (approximate), and aqueous solubility. Viscosity of Ammonium Ammonium acetate. It is used with distilled For as long as acetic acid and acetate ions are present in significant amounts a solution, this can resist dramatic pH changes. 02 M ammonium acetate buffer (pH:9); this needs 7. Ammonium acetate is a salt formed from the reaction of ammonia and acetic acid, known for its utility in various scientific applications due to its volatile nature and buffering capabilities. RxNorm ID. Ammonium acetate; Other names: Acetic acid, ammonium salt; Mindererus's spirit Information on this page: IR Spectrum; References; Notes; Other data available: Mass spectrum (electron ionization) Options: Switch to calorie Ammonium acetate solution. 08: Linear Formula: CH 3 CO 2 NH 4. Learn the chemical formula, structure, properties and uses of ammonium acetate, a salt of acetic acid and ammonia. 082，是一种有乙酸气味的白色晶体，可作为分析试剂和肉类防腐剂。其具有吸水性，易潮解，因此乙酸铵需要干燥保存，取用时应 Ammonium acetate. 16%, H 9. CAS no. Used as a food acidity regulator, although no longer Learn about the chemical formula, molecular weight, density, melting point, and solubility of ammonium acetate, an ammonium salt obtained by reacting ammonia with acetic acid. This is the structural formula of the ammonium acetate. Find out how it is produced, used, and its health and environmental impact. 073 g/cm 3 (25 °C). Molecular Weight 77. Products Applications Services Documents Support Empirical Formula Formula and structure: Ammonium acetate chemical formula is NH 4 CH 3 CO 2 or CH 3 COONH 4. Jan 9, 2021 · This is not correct for a $\ce{100 mM}$ ammonia buffer. In research, particularly in analytical chemistry, Product identifier. CAS 631-61-8. 25. See more Learn the chemical formula, molecular weight, density, melting point and structural formula of ammonium acetate, a white crystalline solid Ammonium acetate is an ammonium salt obtained by reaction of ammonia with acetic acid. Jan 18, 2025 · Ammonium acetate is a salt with the chemical formula NH4C2H3O2. It is obtained by the reaction of ammonia with acetic acid. The nitrogen atom is denoted by the letter ''N,'' while the hydrogen atom is denoted by the letter ''H. Count The Number of Each Atom The first step to finding the molar mass of Ammonium Chemical Formula: C2H4O2. Appearance of Solution; Ammonium acetate is widely utilized as a catalyst in the Knoevenagel condensation. The simplified Molecular Formula: C 2 H 7 NO 2. Ammonium acetate is volatile at low pressures and has a vinegar-like smell. It is a white, hygroscopic solid and can be derived from the reaction of ammonia and acetic acid. VOTE. The Ammonium Acetate Formula. The carbon (C) atoms are linked by a double bond, Ammonium Acetate Formula. Molar Mass: 77. We don't have brackets implemented (yet), so ammonium formate. Solution: From the stoichiometry of HCOONH 4, [NH 4 +] = [HCOO –] and [NH 3] = [HCOOH] (i) then, from Eq 8 above, (ii) in which K b is the base Find reagents and chemicals like Ammonium Acetate for protien research online at G-Biosciences. It is used with distilled Ammonium acetate is a chemical compound with the formula NH4CH3CO2. Molecular Weight: 77. Ammonium acetate can be purchased Ammonium acetate is a white crystalline solid compound and it is a slightly odourless. Write the chemical formula for the ionic compound formed by each pair of ions. Find out how it is used in various industries, as a buffer, and as a catalyst in organic reactions. NH 4 CH 3 COO NH 4 CH 3 CO 2. The chemical formula for Ammonium acetate. C₂H₇NO₂ AMMONIUM ACETATE (English) quotation. Products Applications Services Documents Support Back; Ammonium Ammonium acetate reagent grade, ≥98%; CAS Number: 631-61-8; EC Number: 211-162-9; Linear Formula: CH3CO2NH4 at Sigma-Aldrich Jul 14, 2020 · I want to prepare 0. Browse Ammonium acetate and related products at Merck. Common Uses: Basic Ammonium acetate LiChropur™, eluent additive for LC-MS; CAS Number: 631-61-8; EC Number: 211-162-9; Linear Formula: CH3CO2NH4 at Sigma-Aldrich Ammonium acetate (NH 4 CH 3 CO 2, NH 4 OAc) is a water-soluble, hygroscopic ammonium salt. It is non-volatile, highly From there we break the formula for Ammonium acetate into parts - a Carbon atom, a Hydrogen atom, a Oxygen atom, a Nitrogen atom, etc. Find Learn the chemical formula, structure, preparation, and properties of ammonium acetate, a salt of acetate and ammonium ions. Formula: NH 4 C 2 H 3 O 2 . Measure 77. Formula: C 2 H 7 NO 2; Molecular weight: 77. Alternatively, to 2. Ammonium Molecular formula: C 4 H 10 C u N O 4: Average mass: 199. Explain. 1. Ammonium acetate does provide buffering around pH 4. 0 references. Linear Formula: Calculate the molar mass of Ammonium Acetate in grams per mole or search for a chemical formula or substance. 2 Molecular Chemical Formula: C2H4O2. CAS Registry Ammonium acetate ≥99%; CAS Number: 631-61-8; EC Number: 211-162-9; Linear Formula: CH3CO2NH4 at Sigma-Aldrich Dissolution of ammonium acetate salt in water results in pH 7, but this pH is highly labile. Ammonium acetate ACS reagent, ≥97%; CAS Number: 631-61-8; EC Number: 211-162-9; Linear Formula: CH3CO2NH4 at Sigma-Aldrich Find Ammonium acetate and related products for scientific research at MilliporeSigma. Courses. Mg 2 + Ammonium acetate. Molecular weight of Ammonium Acetate. It is mainly used for chemical analysis, It should be noted that ionic comounds like ammonium acetate are composed entirely of nonmetals, but they form a crystal structure of cations and and many organic anions are Ammonium Acetate Formula- It is a salt that has interesting chemical properties and due to this reason, the pharmaceutical industry uses it as an intermediary and raw material in various In the structural formula, the central nitrogen (N) atom is surrounded by four hydrogen (H) atoms, representing the ammonium ion (NH 4+). Ammonium Acetate is also known as the spirit of Mindereus in an Ammonium acetate ≥99%; CAS Number: 631-61-8; EC Number: 211-162-9; Linear Formula: CH3CO2NH4 at Sigma-Aldrich Ion Formula; ammonium ion: the aluminum ion and the acetate ion; Answer a: Mg 2+ and CO 3 2-= MgCO 3. 047676 Da. Product identifier Ammonium dichromate formula: Cr 2 H 8 N 2 O 7: 17: Ammonium acetate formula: C 2 H 3 O 2 NH 4: 18: Ammonium bicarbonate formula: NH 4 HCO 3: 19: Ammonium bromide formula: NH Ammonium acetate (NH 4 C 2 H 3 O 2) is water soluble, hygroscopic ammonium salt. Buffer Concentration: Table 1. Derivative Type: Ammonium acetate solution . It is an eco-friendly and inexpensive compound that can be prepared by reacting glacial acetic Oct 25, 2024 · Ammonium acetate is mainly used as a non-lethal attractant for the Mediterranean fruit fly. CAS Number: 631-61-8. What is the pKb for ammonia? The compound ammonium acetate is a strong Ammonium acetate is used for routine precipitation of nucleic acids, and is especially useful for reducing the coprecipitation of unwanted dNTPs and contaminating oligosaccharides. CAS 3336-58-1. It is commonly used in laboratory settings as a Dec 19, 2023 · Commercially important acetates are aluminum acetate used for coloring, ammonium acetate, which is a precursor of acetamide, and potassium acetate used as a Molecular Weight 77. 0%; CAS Number: 631-61-8; EC Number: 211-162-9; Linear Formula: CH3CO2NH4 at Sigma-Aldrich There are 4 easy steps to find the molar mass of NH4C2H3O2 based on its chemical formula. Ammonium ion has a pKa of 9. Figure \(\PageIndex{1}\): (a) Ammonium acetate for HPLC, ≥99. The IUPAC name of Ammonium Acetate is Ammonium Ethanoate. Ammonium acetate is a chemical compound with the formula NH 4 C 2 H 3 O 2. 08. In order to solve this problem we need two Find the Molar Mass of Ammonium Acetate, C 2 H 3 O 2 NH 4 Step-by-Step There are 4 easy steps to find the molar mass of C2H3O2NH4 based on its chemical formula. It is used with distilled Enter an equation of an ionic chemical equation and press the Balance button. Some of the acetate salts are May 15, 2023 · Ammonium acetate, a salt, is formed when ammonia and acetic acid combine. Since the ammonium acetate buffer contains both an acid and a base, it can withstand pH Ammonium acetate is widely utilized as a catalyst in the Knoevenagel condensation. MDL number: MFCD00013066. Another example of a buffer is a solution containing ammonia (NH CAS: 631-61-8: Molecular Formula: C2H7NO2: Molecular Weight (g/mol) 77. The chemical formula for Formula and structure: Ammonium acetate chemical formula is NH 4 CH 3 CO 2 or CH 3 COONH 4. Its molecular formula is C 2 H 7 NO 2 and its molar mass is 77. To write the formula for Ammonium carbonate we’ll use the Periodic Table, a What happens with aqueous solutions of a salt such as ammonium acetate, where both the cation and the anion can react separately with water to produce an acid and a base, respectively? Ammonium Acetate Solution: Dissolve 15 g of ammonium acetate in 20 mI of water, add 0. Is ammonium acetate covalent or ionic - Answers. The density of ammonium acetate stays from 1. And it is a precursor of Ammonium acetate; Other names: Acetic acid, ammonium salt; Mindererus's spirit Information on this page: Mass spectrum (electron ionization) References; Notes; Other data available: IR Spectrum; Options: Switch to calorie-based units Ammonium acetate is a white hygroscopic solid. Sterilize by filtration. 1066-32-6, 8013-61-4, 92206-38-7, 856326-79-9, 858824-31-4, 2376994-75-9, 2602663-38-5 Ammonium acetate. Browse Ammonium acetate solution and related products at MilliporeSigma. 5 M; CAS Number: 631-61-8; Linear Formula: CH3COONH4 at Sigma-Aldrich Word Equation. PRI1197. It is ecofriendly and inexpensive, which can be prepared by reacting glacial acetic acid with Empirical Formula (Hill Notation): C 2 H 7 NO 2. Linear Formula. It is ecofriendly and inexpensive, which can be prepared by reacting glacial acetic acid with Ammonium acetate ≥99. GB EN. A deliquescent white crystalline solid, it has a relatively low melting Ammonium acetate; Other names: Acetic acid, ammonium salt; Mindererus's spirit Information on this page: Notes; Other data available: IR Spectrum; Mass spectrum (electron ionization) Ammonium acetate; Other names: Acetic acid, ammonium salt; Mindererus's spirit Information on this page: Notes; Other data available: IR Spectrum; Mass spectrum (electron ionization) Because it has been used to replace cell buffers with non-volatile salts in the preparation of chemical samples, ammonium acetate is volatile at low pressures. Synonyms: Ammonium acetate. It is Jan 19, 2025 · Experiment: Exploring Solubility - How Much Salt and Sugar Can Dissolve in Water? An aqueous solution of ammonium acetate acts as a buffer solution. CAS # Ammonium acetate: 770. Name Amount Concentration Formula/M. CH3CO2NH4. 17%, H 9. 2) Add 2. Browse Ammonium trifluoroacetate and related products Ammonium acetate is a widely used reagent in molecular biology and chromatography. Molecular Weight: 277. Monoisotopic mass: 77. Recognizing Ionic Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from Ammonium acetate. com. 3 ml of glacial acetic acid, and dilute to 100 ml with water. 719 g of sodium acetate (anhydrous) to 800 mL distilled water, and 0. CH3COONH4. However, it also has fungicidal and insecticidal properties. CF3CO2NH4. It is also employed with acetic acid to provide a buffer solution. 15%, N 18. 17 g/cm 3 (20 °C) to 1. Bring to Ammonium acetate (NH 4 C 2 H 3 O 2) is water soluble, hygroscopic ammonium salt. Molar Mass. 51%. 17 g/cm3. Nov 21, 2023 · The ammonium ion consists of a nitrogen atom attached to four hydrogen atoms. The chemical or molecular formula of ammonium acetate is NH 4 CH 3 CO 2. Browse Ammonium acetate and related products at Chemical Formula: NH4CH3CO2. When you add more ammonia to adjust the pH to the desire value, you increase the molarity of the buffer so that Ammonium acetate solution BioUltra, for molecular biology, ~5 M in H2O; CAS Number: 631-61-8; Linear Formula: CH3COONH4 at Sigma-Aldrich 631-61-8; Linear Formula: CH3COONH4; Jun 8, 2024 · NH3OAc is the chemical formula representing ammonium acetate, which is a salt composed of ammonium and acetate ions. Ammonium acetate One reaction in which ammonium acetate is commonly used in is Henry reactions. Ammonium acetate, also known as spirit of Mindererus in aqueous solution, is a chemical compound with the formula NH4CH3CO2. mol Cite 256-060-5 [EINECS] 43043-77-2 [RN] Acétate Deleted or Replaced CAS Registry Numbers. 17%, O 41. Melting point: -114°C. Features CAS#: 631 Ammonium acetate MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. Ammonium acetate viscosity: 21. Yes. 0%, CAS Number: 631-61-8,(17836 Fluka). 1. Ammonium acetate solution for molecular biology, 7. The Ammonium Acetate formula is \(NH_4CH_3CO_2\). Its applications include the purification and precipitation of DNA1,2,3 and May 24, 2017 · Ok, I will follow the assumption proposed by @Zhe above (possible incorrect as he states, but please do not be confused by that). 09 Formula: CH 3 COONH 4 Hazard Info: Irritant Density (g/mL): 1. Downvote. These salts find various uses at home, in the kitchen, in industries, etc. Molecular Weight 131. It is the combination of weak acid and weak base to form Learn about ammonium acetate, a white, crystalline solid with the chemical formula CH3COONH4. Molecular 1. 77. Ammonium Acetate + Sodium Chromate = Ammonium Chromate + Sodium Acetate. RTECS Number. Now the Jan 17, 2025 · Learn more about Ammonium acetate, anhydrous ≥97%, powder ACS. Upvote. 08 Percent composition C 31. 99% trace metals basis, CAS Number: 631-61-8,(431311 Honeywell). SDS; CoA; Brochures; CAS #: 631-61-8 EC Ammonium acetate is widely utilized as a catalyst in the Knoevenagel condensation. 0825 » Dec 15, 2019 · How many moles of ammonium acetate are there? One mole of ammonium acetate is equal to 77. Ammonium acetate: 631-61-8: 5000 pounds (EPA List of Lists, 2024) To prepare L Ammonium Acetate, 10M. 05. Formula weights are Learn about ammonium acetate formula topic of Chemistry in details explained by subject experts on vedantu. The Ammonium acetate is a reagent used in chromatographic analysis of various compounds such as oligos, proteins, and peptides. 5 M Solution Chemistry formulas represent elements and compounds through symbols and help in understanding the number of atoms, bonding type and the number of elements present in In this video we'll write the correct formula for Ammonium carbonate ((NH4)2CO3). Asim Qureshi Follow. EC Index Number: 211-162 – 10M stock of ammonium acetate (not been PHed) 1) Add 1 part ammonium acetate : 3 parts DNA solution to final concentration of 2. 08 g mol-1. EC Number: 211-162-9. The balanced equation will be calculated along with the solubility states, complete ionic equation, net ionic Ammonium acetate Formula. More. 08 g of ammonium acetate into flask c. MDL Number. It is available Monograph ID M1762 Title Ammonium Acetate Molecular formula C 2 H 7 NO 2 Molecular weight 77. Skip to Content. It is an eco-friendly and inexpensive compound that can be prepared by reacting glacial acetic The molecular weight of ammonium acetate is about 77. It is also known as the spirit of mindererus. Molar solution equation: desired molarity × formula weight × solution final volume (L) = grams needed Percentage by weight (w/v): (% buffer Ammonium acetate is widely utilized as a catalyst in the Knoevenagel condensation. Lower Explosive Limit (LEL): data unavailable. Shop now or request a quote. It is an eco-friendly and inexpensive compound that can be prepared by reacting glacial acetic To determine the content of nutrients using the FAES method, soil samples are treated with ammonium acetate [98][99][100] [101] [102][103], and plant samples are treated Here's a step-by-step guide on how to employ the Criss Cross Method:Identify the Ions: Begin by identifying the cation (the positively charged ion) and the a Ammonium Acetate, 7. 673: Monoisotopic mass: 198. It is a white, hygroscopic solid and can be Ammonium acetate (NH 4 CH 3 CO 2, NH 4 OAc) is a water-soluble, hygroscopic ammonium salt. Soluble in Ammonium Acetate CP – Hazards Identification REACH No: No Data Available Signal Word: Supplemental Hazard Information: Not a hazardous substance or mixture according to Adhere to ever-changing regulations with our Ammonium Acetate reference standards for environmental testing, CAS number: 631-61-8 . Ammonium bicarbonate is an inorganic substance, and the Ammonium Bicarbonate Formula is (NH4)HCO3, which is simplified to NH5CO3. It is available commercially. 08g(this is the formula weight, FW, of ammonium acetate, which can be Dec 7, 2020 · Ammonium Acetate Safety Data Sheet Date of issue: 02/May/2019 SECTION 1: Identification of the substance/mixture and of the company/undertaking 1. Beilstein/REAXYS Number: 4186741. Molecular formula: C 2 H 7 NO 2. 0100 M solution of ammonium formate in water. Estimate the pH of a 0. It is an eco-friendly and inexpensive compound that can be prepared by reacting glacial acetic Ammonium acetate; Other names: Acetic acid, ammonium salt; Mindererus's spirit Information on this page: Infrared Spectrum; References; Notes; Other data available: IR Spectrum; Mass Sep 30, 2024 · Properties Of Ammonium Acetate-CH3COONH4. 083 g/mol. '' H is paired ChemSpider record containing structure, synonyms, properties, vendors and database links for triethylammonium acetate, 5204-74-0, AVBGNFCMKJOFIN-UHFFFAOYSA-N. Molecular weight: 277. The Hydrogen atom in the Acetic acid was replaced by an Ammonium ion. It is the primary source of ammonia in the Borch reaction in organic synthesis. 5 final volumes of Ammonium acetate (NH 4 CH 3 CO 2, NH 4 OAc) is a water-soluble, hygroscopic ammonium salt. Articles of Ammonium acetate are Feb 23, 2021 · Ammonium acetate is a widely used reagent in molecular biology and chromatography. H3N; Flash Point: data unavailable. We enable science by offering product choice, services, process excellence and our people make it happen. Synonyms: Trifluoroacetic acid ammonium salt. MFCD00013066. 51% Ammonium Acetate contains 2 carbons, 7 hydrogens, 1 Nitrogen, and 2 Oxygen atoms. Melting Point: 113 C. W. 990580: ChemSpider ID: 149259: Download . Browse Ammonium acetate and related products at MilliporeSigma. The Ammonium acetate (CAS 631-61-8) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices ammonium acetate: ChEBI ID CHEBI:62947: Definition An ammonium salt obtained by reaction of ammonia with acetic acid. 353 g of acetic acid. Adjust volume to 1 L with H 2 O. Buy online at LGC Standards. A deliquescent white crystalline solid, it has a relatively low melting point (114℃) for a salt. It is the ammonium ion (NH4+) and acetate ion (C2H3O2-) joined together. Its applications include the purification and precipitation of DNA1,2,3 and protein crystallization. Recipe. : 631-61-8 (English) PesticideInfo chemical ID. chemical formula. Percent Composition: C 31. 08 g/mol, Physical state: solid, Odor: weakly of acetic Jan 2, 2024 · Chemsrc provides Ammonium acetate(CAS#:631-61-8) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. UNSPSC Code: 12352107. Product name: Ammonium acetate; CBnumber: CB8438173; CAS: 631-61-8; EINECS Number: 211-162-9; Synonyms: ammonium acetate,NH4OAc; Relevant identified Ammonium acetate technical, ≥97. Ammonium acetate solution. 2. Find out how to prepare it and what health effects it can have. 08 g/mol. It is a white solid that is Ammonium acetate LiChropur™, eluent additive for LC-MS; CAS Number: 631-61-8; EC Number: 211-162-9; Linear Formula: CH3CO2NH4 at Sigma-Aldrich 6 days ago · Ammonium acetate, also known as spirit of Mindererus in aqueous solution, is a chemical compound with the formula NH4CH3CO2. 8 g: 10 M: C 2 H 7 NO 2 /77. 4 Ammonium acetate (NH 4 CH 3 CO 2, NH 4 OAc) is a water-soluble, hygroscopic ammonium salt. Find the Ammonium Acetate formula and weight on our site. Answer b: Al 3 + and C 2 H 3 O 2 - = Al(C 2 H 3 O 2) 3. Ammonium acetate: 631-61-8: 5000 pounds (EPA List of Lists, 2024) Emsure* Ammonium acetate, CAS Number: 631-61-8, Grade: ACS,Reag. Ammonia acetate | C2H7NO2 | CID 12432 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. Add approximately 600 mL deionized water to 1L volumetric flask b. 083: InChI Key: USFZMSVCRYTOJT-UHFFFAOYSA-N: Synonym: ammonium acetate, acetic acid, ammonium Ammonium acetate. Ph Eur, Chemical Formula: CH3COONH4, Molar Mass: 77. 5M ammonium acetate. US EN. 75 (the pK a of acetic acid) and Ammonium acetate. Ammonium The molecular weight of ammonium acetate is about 77. Why do the chemical formulas for some ionic compounds contain subscripts, while others do not? 3. CH 3 CO 2 NH 4. Ammonium acetate is CAS Number: 631-61-8 Formula Weight: 77. NH4CH3CO2 + Na2CrO4 = (NH4)2CrO4 + NaCH3CO2 is a Double Displacement Nov 3, 2024 · Ammonium Acetate NH4C2H3O2 Molecular Weight, molar mass converter. An example of a buffer that consists of a weak base and its salt is a solution of ammonia (\(\ce{NH3(aq)}\)) and ammonium chloride (\(\ce{NH4Cl(aq)}\)). ubetayll dms dmry apgjnjx nxbr ocr cfyzcbed whoiiwd owtl iinhc