(8R,9S,10R,13S,14S,17R)-3-Methoxy-10,13-dimethyl-17-((E)-3-trimethylsilanyl-allyl)-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 74137-34-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,1,3 and 7 respectively; the second part has 2 digits, 3 and 4 respectively. Calculate Digit Verification of CAS Registry Number 74137-34: (7*7)+(6*4)+(5*1)+(4*3)+(3*7)+(2*3)+(1*4)=121 121 % 10 = 1 So 74137-34-1 is a valid CAS Registry Number.
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