Benzoic acid (1S,4aS,7S,8aR)-7-ethynyl-1,4a-dimethyl-5-oxo-1,2,4a,5,6,7,8,8a-octahydro-naphthalen-2-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 67120-82-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,1,2 and 0 respectively; the second part has 2 digits, 8 and 2 respectively. Calculate Digit Verification of CAS Registry Number 67120-82: (7*6)+(6*7)+(5*1)+(4*2)+(3*0)+(2*8)+(1*2)=115 115 % 10 = 5 So 67120-82-5 is a valid CAS Registry Number.