(1S,4R,4aS,5R,7R,8aR)-7-Methyl-1,4,4a,5,6,7,8,8a-octahydro-1,4-methano-naphthalen-5-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 208761-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,7,6 and 1 respectively; the second part has 2 digits, 3 and 1 respectively. Calculate Digit Verification of CAS Registry Number 208761-31: (8*2)+(7*0)+(6*8)+(5*7)+(4*6)+(3*1)+(2*3)+(1*1)=133 133 % 10 = 3 So 208761-31-3 is a valid CAS Registry Number.