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dimethyl 2-(2,2,6,7-tetramethyl-3-thioxo-1-(trifluoroacetyl)-2,3-dihydroquinolin-4(1H)-ylidene)-1,3-dithiole-4,5-dicarboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

331640-17-6

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331640-17-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 331640-17-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,6,4 and 0 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 331640-17:
(8*3)+(7*3)+(6*1)+(5*6)+(4*4)+(3*0)+(2*1)+(1*7)=106
106 % 10 = 6
So 331640-17-6 is a valid CAS Registry Number.

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