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137929-48-7

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137929-48-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137929-48-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,2 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 137929-48:
(8*1)+(7*3)+(6*7)+(5*9)+(4*2)+(3*9)+(2*4)+(1*8)=167
167 % 10 = 7
So 137929-48-7 is a valid CAS Registry Number.

137929-48-7Relevant articles and documents

Stereoselective Chain Elongation at C-3 of Cysteine through 2,3-Dihydrothiazoles, without Racemization. Preparation of 2-Amino-5-hydroxy-3-mercaptoalkanoic Acid Derivatives

Jeanguenat, Andre,Seebach, Dieter

, p. 2291 - 2298 (2007/10/02)

The enantio pure thiazolines 1-3 have been prepared from cysteine; detailed procedures for the dimethyl ester 3 are described (intermediates 4-6).Addition of a cuprate (to give 7), of Danishefski's diene (to give 8) and of enamines (to give 10a-13a,14) to

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