(4aR,8aR)-2,5,5,8a-Tetramethyl-3,4,4a,5,8,8a-hexahydro-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 83025-31-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,0,2 and 5 respectively; the second part has 2 digits, 3 and 1 respectively. Calculate Digit Verification of CAS Registry Number 83025-31: (7*8)+(6*3)+(5*0)+(4*2)+(3*5)+(2*3)+(1*1)=104 104 % 10 = 4 So 83025-31-4 is a valid CAS Registry Number.