(8R,9S,13S,14S,16S)-16-(4-Amino-but-2-ynyl)-3-(tert-butyl-dimethyl-silanyloxy)-13-methyl-6,7,8,9,11,12,13,14,15,16-decahydro-cyclopenta[a]phenanthren-17-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 234765-89-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,4,7,6 and 5 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 234765-89: (8*2)+(7*3)+(6*4)+(5*7)+(4*6)+(3*5)+(2*8)+(1*9)=160 160 % 10 = 0 So 234765-89-0 is a valid CAS Registry Number.
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