(3S,5S,8R,9S,10S,13S,14S,17R)-17-{(S)-1-[(4R,5R)-5-((S)-1,2-Dimethyl-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-ethyl}-10,13-dimethyl-hexadecahydro-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 189013-52-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,0,1 and 3 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 189013-52: (8*1)+(7*8)+(6*9)+(5*0)+(4*1)+(3*3)+(2*5)+(1*2)=143 143 % 10 = 3 So 189013-52-3 is a valid CAS Registry Number.
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