12-acetyl-13-phenyl-9,10,11,12,13,14,16,17,18,18a-decahydro-8H-7a,12,16-triaza-benzo[3,4]-cyclohepta[1,2-a]cyclotridecene-7,15-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 67257-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,2,5 and 7 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 67257-81: (7*6)+(6*7)+(5*2)+(4*5)+(3*7)+(2*8)+(1*1)=152 152 % 10 = 2 So 67257-81-2 is a valid CAS Registry Number.
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