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5-phenyl-1,3-dihydro-imidazo[4,5-b]pyrazin-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

438190-85-3

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438190-85-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 438190-85-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,8,1,9 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 438190-85:
(8*4)+(7*3)+(6*8)+(5*1)+(4*9)+(3*0)+(2*8)+(1*5)=163
163 % 10 = 3
So 438190-85-3 is a valid CAS Registry Number.

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