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5,6-Dimethyl-5,6,7,8-tetrahydropterin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

25239-84-3

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25239-84-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25239-84-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,3 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 25239-84:
(7*2)+(6*5)+(5*2)+(4*3)+(3*9)+(2*8)+(1*4)=113
113 % 10 = 3
So 25239-84-3 is a valid CAS Registry Number.
InChI:InChI=1/C8H13N5O/c1-4-3-10-6-5(13(4)2)7(14)12-8(9)11-6/h4H,3H2,1-2H3,(H4,9,10,11,12,14)

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