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2-Pyridinecarbonyl chloride, 4-cyano- (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

640296-18-0

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640296-18-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 640296-18-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,0,2,9 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 640296-18:
(8*6)+(7*4)+(6*0)+(5*2)+(4*9)+(3*6)+(2*1)+(1*8)=150
150 % 10 = 0
So 640296-18-0 is a valid CAS Registry Number.

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