(1S,2S,4aR,4bS,6aS,11aS,11bR,13aR)-2-(tert-Butyl-dimethyl-silanyloxy)-7,10-dimethoxy-1,4a,6a,11b-tetramethyl-2,3,4,4a,4b,5,6,6a,11,11a,11b,12,13,13a-tetradecahydro-1H-indeno[2,1-a]phenanthrene-1-carbaldehyde is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 259177-50-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,1,7 and 7 respectively; the second part has 2 digits, 5 and 0 respectively. Calculate Digit Verification of CAS Registry Number 259177-50: (8*2)+(7*5)+(6*9)+(5*1)+(4*7)+(3*7)+(2*5)+(1*0)=169 169 % 10 = 9 So 259177-50-9 is a valid CAS Registry Number.
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