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2-Propenoic acid, 3-[(4-bromophenyl)sulfonyl]-2-(diphenylmethoxy)-, ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77198-67-5

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77198-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77198-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,9 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77198-67:
(7*7)+(6*7)+(5*1)+(4*9)+(3*8)+(2*6)+(1*7)=175
175 % 10 = 5
So 77198-67-5 is a valid CAS Registry Number.

77198-67-5Relevant academic research and scientific papers

CHEMISTRY OF OXALYL DERIVATIVES OF METHYL KETONES. XXXVI. REACTION OF DIPHENYLDIAZOMETHANE WITH ARYLSULFONYLPYRUVIC ESTERS

Andreichikov, Yu.S.,Gein, V.L.,Shapet'ko, N.N.

, p. 757 - 762 (2007/10/02)

Diphenyldiazomethane reacts with arylsulfonylpyruvic esters, forming O-alkylation products, oxetanes, and 1,3-dioxolanes.The thermal rearrangement of the O-alkylation products into ethyl 2-oxo-3-(arylsulfonyl)-4,4-diphenylbutyrates was discovered.

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