77670-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77670-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,7 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77670-90:
(7*7)+(6*7)+(5*6)+(4*7)+(3*0)+(2*9)+(1*0)=167
167 % 10 = 7
So 77670-90-7 is a valid CAS Registry Number.
77670-90-7Relevant academic research and scientific papers
Strekowski, Lucjan,Battiste, Merle A.
, p. 279 - 282 (1981)
Convenient access to trans-fused γ-lactones is provided by sodium benzenethiolate promoted ring opening of appropriate γ,δ-spiroepoxyesters.
