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2-Ethoxy-3,5,6-trifluoro-benzonitrile is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

28293-51-8

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28293-51-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28293-51-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,2,9 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 28293-51:
(7*2)+(6*8)+(5*2)+(4*9)+(3*3)+(2*5)+(1*1)=128
128 % 10 = 8
So 28293-51-8 is a valid CAS Registry Number.

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