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1,2-Dimethyl-4-oxo-8-(pyridine-4-carbonyl)-1,8-diaza-spiro[4.5]deca-2,6,9-triene-3-carboxylic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74578-59-9

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74578-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74578-59-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,7 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74578-59:
(7*7)+(6*4)+(5*5)+(4*7)+(3*8)+(2*5)+(1*9)=169
169 % 10 = 9
So 74578-59-9 is a valid CAS Registry Number.

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