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5-(3-nitro-phenyl)-4-oxo-1,4-dihydro-benzo[h][1,6]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.

112271-55-3

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112271-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112271-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,2,7 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 112271-55:
(8*1)+(7*1)+(6*2)+(5*2)+(4*7)+(3*1)+(2*5)+(1*5)=83
83 % 10 = 3
So 112271-55-3 is a valid CAS Registry Number.
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