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Benzoic acid, 4-[[[(2,4-diamino-1,7-dihydro-6-pteridinyl)methyl][(4-methylphenyl)sulfon yl]amino]methyl]-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

66801-26-1

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66801-26-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66801-26-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,8,0 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 66801-26:
(7*6)+(6*6)+(5*8)+(4*0)+(3*1)+(2*2)+(1*6)=131
131 % 10 = 1
So 66801-26-1 is a valid CAS Registry Number.

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