(R)-1-[(3S,8S,9S,10R,13S,14S,17S)-7-Bromo-3-(tert-butyl-dimethyl-silanyloxy)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-ethanol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 137576-41-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,7 and 6 respectively; the second part has 2 digits, 4 and 1 respectively. Calculate Digit Verification of CAS Registry Number 137576-41: (8*1)+(7*3)+(6*7)+(5*5)+(4*7)+(3*6)+(2*4)+(1*1)=151 151 % 10 = 1 So 137576-41-1 is a valid CAS Registry Number.
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