(S)-2-[(3S,9S,10R,13R,14R,17R)-10,13-Dimethyl-3-(tetrahydro-pyran-2-yloxy)-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]-propan-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 77517-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,1 and 7 respectively; the second part has 2 digits, 5 and 7 respectively. Calculate Digit Verification of CAS Registry Number 77517-57: (7*7)+(6*7)+(5*5)+(4*1)+(3*7)+(2*5)+(1*7)=158 158 % 10 = 8 So 77517-57-8 is a valid CAS Registry Number.
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