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174538-64-8

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174538-64-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 174538-64-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,5,3 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 174538-64:
(8*1)+(7*7)+(6*4)+(5*5)+(4*3)+(3*8)+(2*6)+(1*4)=158
158 % 10 = 8
So 174538-64-8 is a valid CAS Registry Number.

174538-64-8Relevant articles and documents

Guanine, pyrazolo[3,4-d]pyrimidine, and triazolo[4,5-d]pyrimidine (8-azaguanine) phosphonate acyclic derivatives as inhibitors of purine nucleoside phosphorylase

Beauchamp, Lilia M.,Tuttle, Joel V.,Rodriguez, Martha E.,Sznaidman, Marcos L.

, p. 949 - 956 (2007/10/03)

Phosphonate acyclic derivatives of guanines, pyrazolo[3,4-d]pyrimidines, and triazolo[4,5-d]-pyrimidines (8-azaguanines) are inhibitors of the enzyme purine nucleoside phosphorylase (PNPase) with K′1 values ranging from 0.05 to 1.6 μM. These compounds are enzymatically stable congeners of the potent PNPase inhibitor acyclovir diphosphate (53).

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