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(2E,7E,9E)-(4S,5S,6S)-11-(tert-Butyl-dimethyl-silanyloxy)-4-hydroxy-5,9-dimethyl-6-triisopropylsilanyloxy-undeca-2,7,9-trienoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

443791-87-5

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443791-87-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 443791-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,7,9 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 443791-87:
(8*4)+(7*4)+(6*3)+(5*7)+(4*9)+(3*1)+(2*8)+(1*7)=175
175 % 10 = 5
So 443791-87-5 is a valid CAS Registry Number.

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