652976-66-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 652976-66-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,2,9,7 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 652976-66:
(8*6)+(7*5)+(6*2)+(5*9)+(4*7)+(3*6)+(2*6)+(1*6)=204
204 % 10 = 4
So 652976-66-4 is a valid CAS Registry Number.
652976-66-4Relevant academic research and scientific papers
An enantiospecific synthesis of β-amino acids
Jefford,Wang
, p. 1111 - 1114 (2007/10/02)
L-Aspartic acid by regioselective modification of the α-carboxylic acid group, namely N-tosylation, anhydride formation, reduction, iodo-esterification, alkylation, and deprotection afforded a series of γ-alkyl β-aminobutyric acids of the R configuration (ee > 99%).
