(4aS,4bR,10bS,12aS)-3-Iodomethyl-8-methoxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-1H-2-oxa-chrysene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 217453-79-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,4,5 and 3 respectively; the second part has 2 digits, 7 and 9 respectively. Calculate Digit Verification of CAS Registry Number 217453-79: (8*2)+(7*1)+(6*7)+(5*4)+(4*5)+(3*3)+(2*7)+(1*9)=137 137 % 10 = 7 So 217453-79-7 is a valid CAS Registry Number.