(9S,10R,13R,14R,17R)-17-((R)-1,5-Dimethyl-hex-5-enyl)-4,4,10,13-tetramethyl-1,2,4,9,10,11,12,13,14,15,16,17-dodecahydro-cyclopenta[a]phenanthren-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 242142-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,2,1,4 and 2 respectively; the second part has 2 digits, 7 and 0 respectively. Calculate Digit Verification of CAS Registry Number 242142-70: (8*2)+(7*4)+(6*2)+(5*1)+(4*4)+(3*2)+(2*7)+(1*0)=97 97 % 10 = 7 So 242142-70-7 is a valid CAS Registry Number.
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