33156-54-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33156-54-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,1,5 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 33156-54:
(7*3)+(6*3)+(5*1)+(4*5)+(3*6)+(2*5)+(1*4)=96
96 % 10 = 6
So 33156-54-6 is a valid CAS Registry Number.
33156-54-6Relevant academic research and scientific papers
Process for preparing 1,5-benzodiazepine-2-ones
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, (2008/06/13)
1-Aryl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-ones of the general formula STR1 wherein: R1 is hydrogen, or unsaturated lower alkyl, preferably of 1-3 carbons, or unsaturated lower alkyl preferably of 2 - 3 carbons R2, r3/sub