1232-51-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1232-51-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,3 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1232-51:
(6*1)+(5*2)+(4*3)+(3*2)+(2*5)+(1*1)=45
45 % 10 = 5
So 1232-51-5 is a valid CAS Registry Number.
1232-51-5Relevant articles and documents
NEW SYNTHESIS OF IMIDAZODIAZEPINE
Ivanov, E. I.,Polishchuk, A. A.,Mazepa, A. V.
, p. 1006 - 1008 (2007/10/02)
A new approach has been implemented in the synthesis of imidazodiazepines consisting in the cyclization of 4,5-di(chloromethyl)imidazole by urea derivatives.