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188910-74-9

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188910-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188910-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,9,1 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 188910-74:
(8*1)+(7*8)+(6*8)+(5*9)+(4*1)+(3*0)+(2*7)+(1*4)=179
179 % 10 = 9
So 188910-74-9 is a valid CAS Registry Number.

188910-74-9Downstream Products

188910-74-9Relevant articles and documents

Effect of N9-methylation and bridge atom variation on the activity of 5-substituted 2,4-diaminopyrrolo[2,3-d]pyrimidines against dihydrofolate reductases from Pneumocystis carinii and Toxoplasma gondii

Gangjee,Mavandadi,Queener

, p. 1173 - 1177 (1997)

The effect of N9-mathylation and bridge atom variation on inhibitory potency and selectivity of 2,4-diaminopyrrolo[2,3-d]pyrimidines against dihydrofolate reductases (DHFR) was studied. Specifically three nonclassical 2,4-diamino-5-((N-methylan

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