(R)-6-[(3S,8S,9S,10R,13R,14S,17R)-10,13-Dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-1,1,1-trifluoro-2-methyl-heptan-2-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 81239-82-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,3 and 9 respectively; the second part has 2 digits, 8 and 2 respectively. Calculate Digit Verification of CAS Registry Number 81239-82: (7*8)+(6*1)+(5*2)+(4*3)+(3*9)+(2*8)+(1*2)=129 129 % 10 = 9 So 81239-82-9 is a valid CAS Registry Number.
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