147503-44-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 147503-44-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,7,5,0 and 3 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 147503-44:
(8*1)+(7*4)+(6*7)+(5*5)+(4*0)+(3*3)+(2*4)+(1*4)=124
124 % 10 = 4
So 147503-44-4 is a valid CAS Registry Number.
147503-44-4Relevant articles and documents
SYNTHESE DE NOUVEAUX SYSTEMES HETEROCYCLIQUES : LES PYRAZOLOTRIAZOLOBENZODIAZEPINES
Benchidmi, M.,Essassi, E. M.,Ibnmansour, A.
, p. 995 - 1000 (2007/10/02)
The synthesis of new pyrazolotriazolobenzodiazepines have been described.Hydrazinolysis of pyrazolobenzodiazepinethiones leads to 7-pyrazolylamino indazole.