2,2-Dimethyl-propionic acid (3S,5R,6S,8S,9S,10S,13S,14S,17S)-3-acetoxy-10-bromomethyl-13-methyl-hexadecahydro-20-oxa-cyclopropa[5,6]cyclopenta[a]phenanthren-17-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 218900-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,9,0 and 0 respectively; the second part has 2 digits, 5 and 7 respectively. Calculate Digit Verification of CAS Registry Number 218900-57: (8*2)+(7*1)+(6*8)+(5*9)+(4*0)+(3*0)+(2*5)+(1*7)=133 133 % 10 = 3 So 218900-57-3 is a valid CAS Registry Number.
Get Best Price for218900-57-32,2-Dimethyl-propionic acid (3S,5R,6S,8S,9S,10S,13S,14S,17S)-3-acetoxy-10-bromomethyl-13-methyl-hexadecahydro-20-oxa-cyclopropa[5,6]cyclopenta[a]phenanthren-17-yl ester