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Cyanic acid, 2-acetylphenyl ester (9CI), also known as 2-acetylphenyl cyanate, is an organic compound with the chemical formula C9H7NO2. It is derived from cyanic acid, which is a simple organic acid with the formula HCNO. In Cyanic acid, 2-acetylphenyl ester (9CI), the hydrogen atom of the hydroxyl group in cyanic acid is replaced by a 2-acetylphenyl group, resulting in an ester linkage. This molecule is characterized by its aromatic structure, with a phenyl ring substituted at the 2-position with an acetyl group and an ester group connected to the cyanic acid moiety. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals, and is also used in the preparation of dyes and pigments. Due to its reactivity, it is typically handled with care in a controlled environment.

1128-22-9

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1128-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1128-22-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,2 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1128-22:
(6*1)+(5*1)+(4*2)+(3*8)+(2*2)+(1*2)=49
49 % 10 = 9
So 1128-22-9 is a valid CAS Registry Number.

1128-22-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name (2-acetylphenyl) cyanate

1.2 Other means of identification

Product number -
Other names 2-Acetylphenylcyanat

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

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More Details:1128-22-9 SDS

1128-22-9Relevant academic research and scientific papers

3,4-Dihydro-benzoxazine Derivatives from 2-Acyl(or aroyl)cyanatobenzenes

Buttke, K.,Ramm, M.,Niclas, H.-J.

, p. 544 - 548 (2007/10/02)

3,4-Dihydro-2H-benzoxazin-2-ones 3 are obtained from 2-acyl(or aroyl)-cyanatobenzenes 2 and anisole.The reaction proceeds under Friedel-Crafts conditions via DIMROTH rearrangement.Compounds 2, dissolved in diethyl ether, react with 1 in the presence of finely powdered KOH at ambient temperature leading to 8.The structure of 8b is confirmed by X-ray structure analysis. (Z)-4-Ethylidene-3,4-dihydro-2H-benzoxazin-2-one 9 is formed upon treatment of 2-cyanatopropiophenone 2b with diluted hydrochloric acid.The ethylene derivative 5 is obtained from 4 upon reaction with cyanogen bromide/triethyl amine.

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