Methanesulfonic acid (R)-4-[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-tris-(2-azido-ethoxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 203795-73-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,7,9 and 5 respectively; the second part has 2 digits, 7 and 3 respectively. Calculate Digit Verification of CAS Registry Number 203795-73: (8*2)+(7*0)+(6*3)+(5*7)+(4*9)+(3*5)+(2*7)+(1*3)=137 137 % 10 = 7 So 203795-73-7 is a valid CAS Registry Number.
Get Best Price for203795-73-7Methanesulfonic acid (R)-4-[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-tris-(2-azido-ethoxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-pentyl ester