(3aR*,4aR*,8aS*)-3,3a,4,4a,6,7,8,8a,9,10-decahydro-3a,8a-dimethyl-1-isopropylbenzazulen-5(2H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 133728-53-7 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 3 respectively. Calculate Digit Verification of CAS Registry Number 133728-53: (8*1)+(7*3)+(6*3)+(5*7)+(4*2)+(3*8)+(2*5)+(1*3)=127 127 % 10 = 7 So 133728-53-7 is a valid CAS Registry Number.