33173-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33173-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,1,7 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33173-20:
(7*3)+(6*3)+(5*1)+(4*7)+(3*3)+(2*2)+(1*0)=85
85 % 10 = 5
So 33173-20-5 is a valid CAS Registry Number.
33173-20-5Relevant 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
