(1R,3R,4aS,12aS)-3-Acetyl-6-chloro-1,3,10,11-tetrahydroxy-1,2,3,4,4a,12a-hexahydro-naphthacene-5,12-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 138252-35-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,2,5 and 2 respectively; the second part has 2 digits, 3 and 5 respectively. Calculate Digit Verification of CAS Registry Number 138252-35: (8*1)+(7*3)+(6*8)+(5*2)+(4*5)+(3*2)+(2*3)+(1*5)=124 124 % 10 = 4 So 138252-35-4 is a valid CAS Registry Number.