4bα,5,6,10b,11,12-hexahydro-5,10bα-dimethyl-2,3;7,8-bis(methylenedioxy)benzophenathridine-11α,12β-diol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 55739-69-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,3 and 9 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 55739-69: (7*5)+(6*5)+(5*7)+(4*3)+(3*9)+(2*6)+(1*9)=160 160 % 10 = 0 So 55739-69-0 is a valid CAS Registry Number.