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Heptanoic acid, 5-diazo-6-oxo-, ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

209683-75-0

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209683-75-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 209683-75-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,9,6,8 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 209683-75:
(8*2)+(7*0)+(6*9)+(5*6)+(4*8)+(3*3)+(2*7)+(1*5)=160
160 % 10 = 0
So 209683-75-0 is a valid CAS Registry Number.

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