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4691-72-9

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4691-72-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4691-72-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,9 and 1 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4691-72:
(6*4)+(5*6)+(4*9)+(3*1)+(2*7)+(1*2)=109
109 % 10 = 9
So 4691-72-9 is a valid CAS Registry Number.

4691-72-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name ethyl 2-bromo-2-(4-nitrophenyl)acetate

1.2 Other means of identification

Product number -
Other names Brom-<4-nitro-phenyl>-essigsaeure-ethylester

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

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:4691-72-9 SDS

4691-72-9Relevant articles and documents

Bromination of α-Diazo Phenylacetate Derivatives Using Cobalt(II) Bromide

Wang, Haifeng,Sun, Xiangli,Hu, Manman,Zhang, Xiaoyi,Xie, Lele,Gu, Shuangxi

supporting information, p. 3347 - 3351 (2020/07/04)

A method for the bromination of α-diazo phenylacetate derivatives using cobalt(II) bromide is described. This bromination reaction features a short reaction time, broad substrate scope, operational simplicity, acid-free conditions, and gram-scalability. (Figure presented.).

Practical syntheses of oxindole derivatives: Chemical development towards 2-(5-chloro-2-oxo-2,3-dihydroindol-1-yl)acetamide and (S)-2-(5-Chloro-2-oxo-2,3- dihydroindol-1-yl)propionamide

Broeders, Fabienne,Defrere, Laurent,Deltent, Marie-France,Driessens, Frank,Gilson, Frederic,Grooters, Luc,Ikonomakos, Xavier,Limauge, Frederic,Sergeef, Emmanuel,Verstraeten, Natacha

experimental part, p. 442 - 449 (2010/04/22)

We describe development of scalable syntheses of novel oxindole-type SV2A ligands with improved potency towards seizure suppression.

SYNTHESES D'ESTERS OU D'ACIDES α-HALOGENES A PARTIR DES GEM DICYANO EPOXIDES.

Robert, A.,Jaguelin, S.,Guinamant, J. L.

, p. 2275 - 2282 (2007/10/02)

α-halogeno esters or α-halogenoacids were easily prepared by selective one pot reaction of gem-dicyano epoxides with halohydric acids in an alcoholic or aqueous media.

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