(1S,4aR,8aR)-5,5,8a-Trimethyl-2-oxo-1,2,3,4,4a,5,8,8a-octahydro-naphthalene-1-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 76685-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,8 and 5 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 76685-49: (7*7)+(6*6)+(5*6)+(4*8)+(3*5)+(2*4)+(1*9)=179 179 % 10 = 9 So 76685-49-9 is a valid CAS Registry Number.