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Acetic acid (2R,3R,4S,5R,6R)-3-acetoxy-6-bromo-2-methyl-5-(toluene-4-sulfonyloxy)-tetrahydro-pyran-4-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

53437-31-3

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53437-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 53437-31-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,4,3 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 53437-31:
(7*5)+(6*3)+(5*4)+(4*3)+(3*7)+(2*3)+(1*1)=113
113 % 10 = 3
So 53437-31-3 is a valid CAS Registry Number.

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