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1-Butanesulfonic acid, 1,1,2,2,3,3,4,4,4-nonafluoro-, 4-methyl-2-oxo-2H-1-benzopyran-7-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

93131-78-3

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93131-78-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 93131-78-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,1,3 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 93131-78:
(7*9)+(6*3)+(5*1)+(4*3)+(3*1)+(2*7)+(1*8)=123
123 % 10 = 3
So 93131-78-3 is a valid CAS Registry Number.

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