867372-91-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 867372-91-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,7,3,7 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 867372-91:
(8*8)+(7*6)+(6*7)+(5*3)+(4*7)+(3*2)+(2*9)+(1*1)=216
216 % 10 = 6
So 867372-91-6 is a valid CAS Registry Number.
867372-91-6Relevant articles and documents
A new approach to the synthesis of Biginelli compounds
Shutalev, Anatoly D.,Kurochkin, Nikolay N.
, p. 70 - 72 (2007/10/03)
A new synthesis of 4-aryl-2-oxo-l,2,3,4-tetrahydropyrimidine-5-carboxylic acid esters is based on the reactions of α-tosyl-substituted phenyl carbamates with the enolates of β-oxoesters followed by treatment with ammonia and dehydration of the resulting 4