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6-Fluoro-8-(4-methyl-piperazin-1-yl)-4-oxo-4H-chromene-2-carboxylic acid Hydrochloride is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

521093-96-9

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521093-96-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 521093-96-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,1,0,9 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 521093-96:
(8*5)+(7*2)+(6*1)+(5*0)+(4*9)+(3*3)+(2*9)+(1*6)=129
129 % 10 = 9
So 521093-96-9 is a valid CAS Registry Number.

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