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(1S,2R,4aS,4bS,5R,6aR,9aS,10aS,10bS,12aS)-2-(tert-Butyl-dimethyl-silanyloxy)-5-hydroxy-1,4a,10a,10b-tetramethyl-7-(4-methyl-pent-3-enyl)-1,2,3,4,4a,4b,5,6,6a,9a,10,10a,10b,11,12,12a-hexadecahydro-9-oxa-pentaleno[2,1-a]phenanthren-8-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

457889-89-3

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457889-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 457889-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,8,8 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 457889-89:
(8*4)+(7*5)+(6*7)+(5*8)+(4*8)+(3*9)+(2*8)+(1*9)=233
233 % 10 = 3
So 457889-89-3 is a valid CAS Registry Number.

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