Cas 77418-42-9,4-amino-4-deoxy-N<sup>10</sup>-methylpteroyl-L-glutamic acid dianilide

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Check Digit Verification of cas no

The CAS Registry Mumber 77418-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,1 and 8 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77418-42:
(7*7)+(6*7)+(5*4)+(4*1)+(3*8)+(2*4)+(1*2)=149
149 % 10 = 9
So 77418-42-9 is a valid CAS Registry Number.

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77418-42-9Relevant academic research and scientific papers

Methotrexate Analogues. 13. Chemical and Pharmacological Studies on Amide, Hydrazide, and Hydroxamic Acid Derivatives of the Glutamate Side Chain

Rosowsky, Andre,Yu, Cheng-Sein,Uren, Jack,Lazarus, Herbert,Wick, Michael

, p. 559 - 567 (2007/10/02)

Carbodiimide-mediated condensation of 4-amino-4-deoxy-N10-methylpteroic acid (APA) with several alkyl, aralkyl, and aryl amines, in the presence or absence of N-hydroxysuccinimide, was employed in order to prepare new lipid-soluble bis(amide) d

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