(3aR,8aS)-5-Benzenesulfinylmethyl-1-isopropyl-3a,8a-dimethyl-2,3,3a,4,6,7,8,8a,9,10-decahydro-benzo[f]azulene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 133728-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,7,2 and 8 respectively; the second part has 2 digits, 5 and 5 respectively. Calculate Digit Verification of CAS Registry Number 133728-55: (8*1)+(7*3)+(6*3)+(5*7)+(4*2)+(3*8)+(2*5)+(1*5)=129 129 % 10 = 9 So 133728-55-9 is a valid CAS Registry Number.