(1S,4R,4aS,7S,8aR)-7-Methyl-4,4a,6,7,8,8a-hexahydro-1H-1,4-methano-naphthalen-5-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 208761-27-7 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, 2 and 7 respectively. Calculate Digit Verification of CAS Registry Number 208761-27: (8*2)+(7*0)+(6*8)+(5*7)+(4*6)+(3*1)+(2*2)+(1*7)=137 137 % 10 = 7 So 208761-27-7 is a valid CAS Registry Number.