Methanesulfonic acid (1R,2aS,4aR,6aR,6bS)-6-oxo-1,2,2a,4a,5,6,6a,6b-octahydro-cyclopenta[cd]pentalen-1-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 93832-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,8,3 and 2 respectively; the second part has 2 digits, 3 and 9 respectively. Calculate Digit Verification of CAS Registry Number 93832-39: (7*9)+(6*3)+(5*8)+(4*3)+(3*2)+(2*3)+(1*9)=154 154 % 10 = 4 So 93832-39-4 is a valid CAS Registry Number.