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7-Methyl-10-phenyl-1H,10H-pyrimido[5,4-g]pteridine-2,4,6,8-tetraone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87750-77-4

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87750-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87750-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,5 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87750-77:
(7*8)+(6*7)+(5*7)+(4*5)+(3*0)+(2*7)+(1*7)=174
174 % 10 = 4
So 87750-77-4 is a valid CAS Registry Number.

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