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39157-06-7

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39157-06-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39157-06-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,1,5 and 7 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 39157-06:
(7*3)+(6*9)+(5*1)+(4*5)+(3*7)+(2*0)+(1*6)=127
127 % 10 = 7
So 39157-06-7 is a valid CAS Registry Number.

39157-06-7Relevant articles and documents

A convenient and efficient one-pot synthesis of arylacetones from (E)-3-aryl-2-methylacrylic acids by curtius rearrangement

He, Xin,Cao, Chong,Liang, Jingwei,Li, Xinyang,Zhang, Tingjian,Meng, Fanhao

, p. 386 - 390 (2017/02/10)

A convenient and efficient method was developed for the synthesis of arylacetones from (E)-3-aryl-2-methylacrylic acids through a Curtius rearrangement. The Curtius rearrangement of (E)-3-aryl-2-methylacryloyl azides and subsequent hydrolysis proceeded at mild temperatures in a two-phase medium of carbon tetrachloride and water containing a catalytic amount of tetrabutylammonium bromide to give the corresponding derivatives in 82-93% yield.

AMINO- OR GUANIDINO-PHENYLPROPIONIC ACID DERIVATIVES

-

, (2008/06/13)

Amino-or guanidino-phenylpropionic ester derivatives represented by the formula: STR1 wherein R is--NH 2 or STR2 R 1 is hydrogen or a lower alkyl group, and R 2 is an unsubstituted or a lower-alkyl-, carboxyalkyl-, lower-alkoxy-, lower-alkoxycarbonyl-or h

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