(1S,3aS,3bS,7S,9aR,9bS,11aS)-9a,11a-Dimethyl-7-triisopropylsilanyloxy-1,2,3,3a,3b,4,7,8,9,9a,9b,10,11,11a-tetradecahydro-cyclopenta[i]phenanthridine-1,5-dicarboxylic acid 5-tert-butyl ester 1-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 1026345-58-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,6,3,4 and 5 respectively; the second part has 2 digits, 5 and 8 respectively. Calculate Digit Verification of CAS Registry Number 1026345-58: (9*1)+(8*0)+(7*2)+(6*6)+(5*3)+(4*4)+(3*5)+(2*5)+(1*8)=123 123 % 10 = 3 So 1026345-58-3 is a valid CAS Registry Number.
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