(3S,3aS,9aS,9bS)-3-tert-Butoxy-3a,6-dimethyl-2,3,3a,4,8,9,9a,9b-octahydro-1H-cyclopenta[a]naphthalene-5,7-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 74030-33-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,0,3 and 0 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 74030-33: (7*7)+(6*4)+(5*0)+(4*3)+(3*0)+(2*3)+(1*3)=94 94 % 10 = 4 So 74030-33-4 is a valid CAS Registry Number.