8,9,10,11,12,13,14,15,16,17,18,19-dodecahydro-7,20-methano-cyclohexadec[a]acenaphthylen-21-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 132665-85-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,6,6 and 5 respectively; the second part has 2 digits, 8 and 5 respectively. Calculate Digit Verification of CAS Registry Number 132665-85: (8*1)+(7*3)+(6*2)+(5*6)+(4*6)+(3*5)+(2*8)+(1*5)=131 131 % 10 = 1 So 132665-85-1 is a valid CAS Registry Number.