70565-69-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70565-69-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,6 and 5 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 70565-69:
(7*7)+(6*0)+(5*5)+(4*6)+(3*5)+(2*6)+(1*9)=134
134 % 10 = 4
So 70565-69-4 is a valid CAS Registry Number.
70565-69-4Relevant articles and documents
Straightforward synthesis of α,β-unsaturated acids and derivatives
Tellier, Frederique,Sauvetre, Raymond
, p. 5433 - 5436 (1993)
A general C2 vinylic homologation from carbonyl compounds (aldehydes or ketones) which leads to various α,β-insaturated acids, esters and amides, is described.
