3-[(8R,9S,10R,13S,14S,16R,17S)-10,13-Dimethyl-3-(toluene-4-sulfonyloxy)-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydro-20-oxa-cyclopropa[16,17]cyclopenta[a]phenanthren-17-yl]-3-hydroxy-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 74995-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,9 and 5 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 74995-28: (7*7)+(6*4)+(5*9)+(4*9)+(3*5)+(2*2)+(1*8)=181 181 % 10 = 1 So 74995-28-1 is a valid CAS Registry Number.
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Get Best Price for74995-28-13-[(8R,9S,10R,13S,14S,16R,17S)-10,13-Dimethyl-3-(toluene-4-sulfonyloxy)-1,2,3,4,7,8,9,10,11,12,13,14,15,16-tetradecahydro-20-oxa-cyclopropa[16,17]cyclopenta[a]phenanthren-17-yl]-3-hydroxy-butyric acid methyl ester