(3S,5R,10S,13R,14R,17R)-4,4,10,13,14-Pentamethyl-17-((S)-(S)-1-oxiranyl-ethyl)-2,3,4,5,6,7,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 52557-41-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,5,5 and 7 respectively; the second part has 2 digits, 4 and 1 respectively. Calculate Digit Verification of CAS Registry Number 52557-41: (7*5)+(6*2)+(5*5)+(4*5)+(3*7)+(2*4)+(1*1)=122 122 % 10 = 2 So 52557-41-2 is a valid CAS Registry Number.
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