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66644-67-5

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66644-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66644-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,6,4 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 66644-67:
(7*6)+(6*6)+(5*6)+(4*4)+(3*4)+(2*6)+(1*7)=155
155 % 10 = 5
So 66644-67-5 is a valid CAS Registry Number.
InChI:InChI=1/C11H12O3/c1-3-14-11(13)10(12)9-7-5-4-6-8(9)2/h4-7H,3H2,1-2H3

66644-67-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name ethyl 2-(2-methylphenyl)-2-oxoacetate

1.2 Other means of identification

Product number -
Other names ETHYL 2-METHYLBENZOYLFORMATE

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:66644-67-5 SDS

66644-67-5Relevant articles and documents

Electrochemical two-electron oxygen reduction reaction (ORR) induced aerobic oxidation of α-diazoesters

Chen, Liang,Gao, Meng,Lu, Cuifen,Ma, Chao,Ruan, Mengyao,Wen, Ziyang,Yang, Fan,Yang, Guichun

, p. 2168 - 2171 (2022/02/17)

Electrochemical oxygen reduction reaction (ORR) is a powerful tool for introducing oxygen functional groups in synthetic chemistry. However, compared with the well-developed one-electron oxygen reduction process, the applications of two-electron oxygen re

Photoinduced Diverse Reactivity of Diazo Compounds with Nitrosoarenes

Roy, Sourav,Kumar, Gourav,Chatterjee, Indranil

, p. 6709 - 6713 (2021/09/08)

A diverse reactivity of diazo compounds with nitrosoarene in an oxygen-transfer process and a formal [2 + 2] cycloaddition is reported. Nitosoarene has been exploited as a mild oxygen source to oxidize an in situ generated carbene intermediate under visible-light irradiation. UV-light-mediated in situ generated ketenes react with nitosoarenes to deliver oxazetidine derivatives. These operationally simple processes exemplify a transition-metal-free and catalyst-free protocol to give structurally diverse α-ketoesters or oxazetidines.

Metal-Free Oxidative Esterification of Ketones and Potassium Xanthates: Selective Synthesis of α-Ketoesters and Esters

Luo, Xianglin,He, Runfa,Liu, Qiang,Gao, Yanping,Li, Jingqing,Chen, Xiuwen,Zhu, Zhongzhi,Huang, Yubing,Li, Yibiao

, p. 5220 - 5230 (2020/05/18)

A novel and efficient oxidative esterification for the selective synthesis of α-ketoesters and esters has been developed under metal-free conditions. In the protocol, various α-ketoesters and esters are available in high yields from commercially available ketones and potassium xanthates. Mechanistic studies have proven that potassium xanthate not only promotes oxidative esterification but also provides an alkoxy moiety for the reaction, which involves the cleavage and reconstruction of C-O bonds.

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