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4-CHLORO-3-ETHYL-2-METHYLQUINOLINE-6-CARBOXYLIC ACID is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

337337-33-4

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337337-33-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 337337-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,7,3,3 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 337337-33:
(8*3)+(7*3)+(6*7)+(5*3)+(4*3)+(3*7)+(2*3)+(1*3)=144
144 % 10 = 4
So 337337-33-4 is a valid CAS Registry Number.

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