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(2E,8E)-(4R,5S,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-9-iodo-2,4,6,8-tetramethyl-nona-2,8-dienoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

442899-65-2

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442899-65-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 442899-65-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,8,9 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 442899-65:
(8*4)+(7*4)+(6*2)+(5*8)+(4*9)+(3*9)+(2*6)+(1*5)=192
192 % 10 = 2
So 442899-65-2 is a valid CAS Registry Number.

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