(5R,10S,13S,14S)-7-(tert-Butyl-dimethyl-silanyloxy)-14-hydroxy-13-methyl-1,17-dioxo-1,2,3,4,5,6,12,13,14,15,16,17-dodecahydro-cyclopenta[a]phenanthrene-10-carboxylic 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 130993-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,9,9 and 3 respectively; the second part has 2 digits, 6 and 3 respectively. Calculate Digit Verification of CAS Registry Number 130993-63: (8*1)+(7*3)+(6*0)+(5*9)+(4*9)+(3*3)+(2*6)+(1*3)=134 134 % 10 = 4 So 130993-63-4 is a valid CAS Registry Number.
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