81793-31-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81793-31-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,9 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81793-31:
(7*8)+(6*1)+(5*7)+(4*9)+(3*3)+(2*3)+(1*1)=149
149 % 10 = 9
So 81793-31-9 is a valid CAS Registry Number.
81793-31-9Relevant articles and documents
A SIMPLE SYNTHESIS OF γ-HYDROXY-α,β-UNSATURATED ALDEHYDES
Ranu, Brindaban C.,Sarkar, Dipak C.
, p. 155 - 160 (2007/10/02)
A convenient method has been developed for the synthesis of γ-hydroxy-α,β-unsaturated aldehydes with one-carbon homologation from α,β-unsaturated ketones.
