(13S,17S)-17-hydroxy-2-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 83274-89-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,2,7 and 4 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 83274-89: (7*8)+(6*3)+(5*2)+(4*7)+(3*4)+(2*8)+(1*9)=149 149 % 10 = 9 So 83274-89-9 is a valid CAS Registry Number.