127720-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 127720-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,7,2 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 127720-40:
(8*1)+(7*2)+(6*7)+(5*7)+(4*2)+(3*0)+(2*4)+(1*0)=115
115 % 10 = 5
So 127720-40-5 is a valid CAS Registry Number.
127720-40-5Relevant academic research and scientific papers
Synthesis of 4-oxopyrrolopyrimidine-3-carboxylic acid derivatives as potential antimicrobial agents
Bayomi, Said M.,Al-Obaid, Abdul Rahman M.,Jado, Ahmad I.,Loutfy, Essam A.
, p. 814 - 816 (2007/10/02)
A route for the synthesis of various derivatives of 4-oxopyrrolopyrimidine-3-carboxylic acid from 2-amino-3-cyano-4,5-dimethylpyrrole and 2-amino-3-cyano-4-arylpyrroles is described.
