142427-87-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142427-87-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,4,2 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 142427-87:
(8*1)+(7*4)+(6*2)+(5*4)+(4*2)+(3*7)+(2*8)+(1*7)=120
120 % 10 = 0
So 142427-87-0 is a valid CAS Registry Number.
142427-87-0Relevant articles and documents
Heterocyclic groups [b]-annulated to the 1,4-benzodiazepine system
Berghot
, p. 285 - 289 (2007/10/02)
Pyrazoles, isoxazoles, pyrimidinones, thiazines, mercaptopyrimidines, pyridones, and triazepinthiones were fused with diazepam (1) by reaction of the arylidenes 2a-h with hydrazines, hydroxylamine, urea or its derivatives, thiourea, ammonium thiocyanate,