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2-methylchromone-3-carboxylic acid chloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

83344-75-6

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83344-75-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83344-75-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,3,4 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83344-75:
(7*8)+(6*3)+(5*3)+(4*4)+(3*4)+(2*7)+(1*5)=136
136 % 10 = 6
So 83344-75-6 is a valid CAS Registry Number.

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