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115758-38-8

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115758-38-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 115758-38-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,7,5 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 115758-38:
(8*1)+(7*1)+(6*5)+(5*7)+(4*5)+(3*8)+(2*3)+(1*8)=138
138 % 10 = 8
So 115758-38-8 is a valid CAS Registry Number.

115758-38-8Relevant articles and documents

Synthesis and Antifolate Activity of 5-Methyl-5,10-dideaza Analogues of Aminopterin and Folic Acid and an Alternative Synthesis of 5,10-Dideazatetrahydrofolic Acid, a Potent Inhibitor of Glycinamide Ribonucleotide Formyltransferase

Piper, J. R.,McCaleb, G. S.,Montgomery, J. A.,Kisliuk, R. L.,Gaumont, Y.,et al.

, p. 2164 - 2169 (2007/10/02)

The title compounds were prepared in extensions of a general synthetic approach used earlier to prepare 5-alkyl-5-deaza analogues of classical antifolates.Wittig condensation of 2,4-diaminopyridopyrimidine-6-carboxaldehyde (2a) and its 5-methyl ana

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