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Pyrazinamine, 3,4-dihydro-3-imino-N,4-dimethyl- (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

721388-53-0

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721388-53-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 721388-53-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,1,3,8 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 721388-53:
(8*7)+(7*2)+(6*1)+(5*3)+(4*8)+(3*8)+(2*5)+(1*3)=160
160 % 10 = 0
So 721388-53-0 is a valid CAS Registry Number.

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