31518-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31518-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,5,1 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 31518-17:
(7*3)+(6*1)+(5*5)+(4*1)+(3*8)+(2*1)+(1*7)=89
89 % 10 = 9
So 31518-17-9 is a valid CAS Registry Number.
31518-17-9Relevant articles and documents
Enolate Free α-Alkoxyvinyllithium Reagents: Improved Preparetion and Reaction with N,N-Dialkylcarboxamides
Shimano, Masanao,Meyers, A. I.
, p. 7727 - 7730 (1994)
The titled lithium reagents add to a variety of N,N-dialkylcarboxamides furnishing the enol ethers of α-dicarbonyl compounds.
