77764-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77764-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,6 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77764-52:
(7*7)+(6*7)+(5*7)+(4*6)+(3*4)+(2*5)+(1*2)=174
174 % 10 = 4
So 77764-52-4 is a valid CAS Registry Number.
77764-52-4Relevant academic research and scientific papers
Domagala, John M.
, p. 4997 - 5000 (1980)
A new method for the esterification of α-keto acids with alkyl chloroformates is described, which is compatible with many functional groups.