tert-Butyl-dimethyl-[(3S,4S,5S,8S,9S,10R,13R,14S,17R)-4,10,13-trimethyl-17-((E)-(1R,4R)-1,3,4,5-tetramethyl-hex-2-enyl)-hexadecahydro-cyclopenta[a]phenanthren-3-yloxy]-silane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 81393-43-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,9 and 3 respectively; the second part has 2 digits, 4 and 3 respectively. Calculate Digit Verification of CAS Registry Number 81393-43: (7*8)+(6*1)+(5*3)+(4*9)+(3*3)+(2*4)+(1*3)=133 133 % 10 = 3 So 81393-43-3 is a valid CAS Registry Number.
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