126921-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126921-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,9,2 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126921-91:
(8*1)+(7*2)+(6*6)+(5*9)+(4*2)+(3*1)+(2*9)+(1*1)=133
133 % 10 = 3
So 126921-91-3 is a valid CAS Registry Number.
126921-91-3Relevant articles and documents
Imidazodiazepine-4,6-dione. A Novel Xanthine Analogue
Bridson, Peter K.,Lambert, Steven J.
, p. 173 - 175 (2007/10/02)
The first examples of the imidazodiazepine ring system are reported, the compounds being diones related to xanthine.
