4-[(7S,8R,9S,13S,14S,17S)-13-Methyl-6-oxo-3,17-bis-(2-trimethylsilanyl-ethoxymethoxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-7-yl]-butyric 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 200721-98-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,7,2 and 1 respectively; the second part has 2 digits, 9 and 8 respectively. Calculate Digit Verification of CAS Registry Number 200721-98: (8*2)+(7*0)+(6*0)+(5*7)+(4*2)+(3*1)+(2*9)+(1*8)=88 88 % 10 = 8 So 200721-98-8 is a valid CAS Registry Number.
Get Best Price for200721-98-84-[(7S,8R,9S,13S,14S,17S)-13-Methyl-6-oxo-3,17-bis-(2-trimethylsilanyl-ethoxymethoxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-7-yl]-butyric acid methyl ester