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123240-24-4

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123240-24-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123240-24-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,2,4 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 123240-24:
(8*1)+(7*2)+(6*3)+(5*2)+(4*4)+(3*0)+(2*2)+(1*4)=74
74 % 10 = 4
So 123240-24-4 is a valid CAS Registry Number.

123240-24-4Downstream Products

123240-24-4Relevant articles and documents

Structural Studies on Bioactive Compounds. 8. Synthesis, Crystal Structure, and Biological Properties of a New Series of 2,4-Diamino-5-aryl-6-ethylpyrimidine Dihydrofolate Reductase Inhibitors with in Vivo Activity against a Methotrexate-Resistant Tumor C

Griffin, Roger J.,Meek, Michelle A.,Schwalbe, Carl H.,Stevens, Malcolm F. G.

, p. 2468 - 2474 (2007/10/02)

A series of 2,4-diamino-5-aryl-6-ethylpyrimidines embracing basic substituents in the 5-aryl ring was synthesized and evaluated for inhibitory activity against rat liver dihydrofolate reductase (DHFR).Maximal enzyme inhibition was observed for compounds b

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