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5,7-dichloro-6-(5-chloro-pyrimidin-4-yl)[1,2,4]-triazolo[1,5-a]pyrimidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

653583-99-4

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653583-99-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 653583-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,3,5,8 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 653583-99:
(8*6)+(7*5)+(6*3)+(5*5)+(4*8)+(3*3)+(2*9)+(1*9)=194
194 % 10 = 4
So 653583-99-4 is a valid CAS Registry Number.

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