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4-oxo-5-phenyl-1,4-dihydro-benzo[h][1,6]naphthyridine-3-carboxylic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109503-96-0

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109503-96-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109503-96-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,0 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 109503-96:
(8*1)+(7*0)+(6*9)+(5*5)+(4*0)+(3*3)+(2*9)+(1*6)=120
120 % 10 = 0
So 109503-96-0 is a valid CAS Registry Number.
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