(1R,4aS,5R,8aS)-1-hydroxymethyl-4a,5,8a-trimethyl-3,4,4a,5,6,7,8,8a-octahydro-1H-naphthalen-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 613661-38-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,3,6,6 and 1 respectively; the second part has 2 digits, 3 and 8 respectively. Calculate Digit Verification of CAS Registry Number 613661-38: (8*6)+(7*1)+(6*3)+(5*6)+(4*6)+(3*1)+(2*3)+(1*8)=144 144 % 10 = 4 So 613661-38-4 is a valid CAS Registry Number.