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Trifluoro-methanesulfonic acid 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11-icosafluoro-undecyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

17351-93-8

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17351-93-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17351-93-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,3,5 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 17351-93:
(7*1)+(6*7)+(5*3)+(4*5)+(3*1)+(2*9)+(1*3)=108
108 % 10 = 8
So 17351-93-8 is a valid CAS Registry Number.

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