(E)-(R)-6-((3S,10S,13R,14R,17R)-3-Acetoxy-4,4,10,13,14-pentamethyl-2,3,4,5,6,7,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-methyl-hept-2-enoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 89105-73-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,1,0 and 5 respectively; the second part has 2 digits, 7 and 3 respectively. Calculate Digit Verification of CAS Registry Number 89105-73: (7*8)+(6*9)+(5*1)+(4*0)+(3*5)+(2*7)+(1*3)=147 147 % 10 = 7 So 89105-73-7 is a valid CAS Registry Number.
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