640729-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 640729-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,0,7,2 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 640729-45:
(8*6)+(7*4)+(6*0)+(5*7)+(4*2)+(3*9)+(2*4)+(1*5)=159
159 % 10 = 9
So 640729-45-9 is a valid CAS Registry Number.
640729-45-9Relevant academic research and scientific papers
Covarrubias-Zuniga, Adrian,San German-Sanchez, Laura,Avila-Zarraga, Jose G.
, p. 3165 - 3172 (2003)
A reliable, reproducible, general, and detailed procedure for the alkylation of dimethyl-1,3-acetonedicarboxylate are is described.
