(3aS,5aR,10bR,12bS)-3a-Ethyl-8-methoxy-6-methyl-3a,5a,6,11,12,12b-hexahydro-1H,5H-6,12a-diaza-indeno[7,1-cd]fluoren-4-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 57765-00-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,6 and 5 respectively; the second part has 2 digits, 0 and 0 respectively. Calculate Digit Verification of CAS Registry Number 57765-00: (7*5)+(6*7)+(5*7)+(4*6)+(3*5)+(2*0)+(1*0)=151 151 % 10 = 1 So 57765-00-1 is a valid CAS Registry Number.