87592-03-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87592-03-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,9 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87592-03:
(7*8)+(6*7)+(5*5)+(4*9)+(3*2)+(2*0)+(1*3)=168
168 % 10 = 8
So 87592-03-8 is a valid CAS Registry Number.
87592-03-8Relevant academic research and scientific papers
Synthesis of 5H-pyrazolo[5,1-c][1,4]benzodiazepine
Cecchi,Filacchioni
, p. 871 - 873 (2007/10/02)
The reaction of 2-nitrobenzyl bromide with dimethyl pyrazole-3,5-dicarboxylate gave dimethyl 1-(2-nitrobenzyl)pyrazole-3,5-dicarboxylate which through a few steps procedure afforded the key intermediate 5,10-dihydro-11-oxopyrazolo[5,1-c][1,4]benzodiazepin
