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N-tert-butyl-3-methyl-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

442534-20-5

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442534-20-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 442534-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,5,3 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 442534-20:
(8*4)+(7*4)+(6*2)+(5*5)+(4*3)+(3*4)+(2*2)+(1*0)=125
125 % 10 = 5
So 442534-20-5 is a valid CAS Registry Number.

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