77764-63-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77764-63-7 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, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77764-63:
(7*7)+(6*7)+(5*7)+(4*6)+(3*4)+(2*6)+(1*3)=177
177 % 10 = 7
So 77764-63-7 is a valid CAS Registry Number.
77764-63-7Relevant academic research and scientific papers
Gorgues, Alain,Coq, Andre Le
, p. 5007 - 5010 (1980)
Reduction of γ-bromo α-acetylenic acetals with chromous ions affords cumulated trienic ethers in good yield.