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7-(4-Acetyl-piperazin-1-yl)-1-ethyl-6-nitro-4-oxo-1,4-dihydro-[1,8]naphthyridine-3-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87939-04-6

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87939-04-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87939-04-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,3 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87939-04:
(7*8)+(6*7)+(5*9)+(4*3)+(3*9)+(2*0)+(1*4)=186
186 % 10 = 6
So 87939-04-6 is a valid CAS Registry Number.

87939-04-6Upstream product

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