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tert-Butyl-[(1S,2R)-2-(2-methoxy-ethoxymethoxy)-1-methyl-but-3-ynyloxy]-dimethyl-silane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

642075-89-6

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642075-89-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 642075-89-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,2,0,7 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 642075-89:
(8*6)+(7*4)+(6*2)+(5*0)+(4*7)+(3*5)+(2*8)+(1*9)=156
156 % 10 = 6
So 642075-89-6 is a valid CAS Registry Number.

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