4-[(3R,5S,8R,9S,10S,13R,14S,17R)-3-(2,2-Dimethyl-propionyloxy)-10,13-dimethyl-7,12-dioxo-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic 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 91509-44-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,0 and 9 respectively; the second part has 2 digits, 4 and 4 respectively. Calculate Digit Verification of CAS Registry Number 91509-44: (7*9)+(6*1)+(5*5)+(4*0)+(3*9)+(2*4)+(1*4)=133 133 % 10 = 3 So 91509-44-3 is a valid CAS Registry Number.
Get Best Price for91509-44-34-[(3R,5S,8R,9S,10S,13R,14S,17R)-3-(2,2-Dimethyl-propionyloxy)-10,13-dimethyl-7,12-dioxo-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentanoic acid methyl ester