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7-[2-[4-azido-3-(tert-butyl-dimethyl-silanyloxy)-butyl]-3,5-bis-(tert-butyl-dimethyl-silanyloxy)-cyclopentyl]-heptanoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

303963-61-3

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303963-61-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 303963-61-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,9,6 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 303963-61:
(8*3)+(7*0)+(6*3)+(5*9)+(4*6)+(3*3)+(2*6)+(1*1)=133
133 % 10 = 3
So 303963-61-3 is a valid CAS Registry Number.

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