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2-ethyl-2-oxo-1-p-tolyl-2λ5-[1,2]azaphospholidin-5-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

20495-53-8

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20495-53-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20495-53-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,9 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 20495-53:
(7*2)+(6*0)+(5*4)+(4*9)+(3*5)+(2*5)+(1*3)=98
98 % 10 = 8
So 20495-53-8 is a valid CAS Registry Number.

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