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13797-94-9

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13797-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13797-94-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,9 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 13797-94:
(7*1)+(6*3)+(5*7)+(4*9)+(3*7)+(2*9)+(1*4)=139
139 % 10 = 9
So 13797-94-9 is a valid CAS Registry Number.

13797-94-9Relevant articles and documents

Reductive alkylation of hydrazine derivatives with α-picoline-borane and its applications to the syntheses of useful compounds related to active pharmaceutical ingredients

Kawase, Yasushi,Yamagishi, Takehiro,Kato, Jun-Ya,Kutsuma, Teruo,Kataoka, Tadashi,Iwakuma, Takeo,Yokomatsu, Tsutomu

, p. 455 - 464 (2014/03/21)

An efficient method for the direct reductive alkylation of hydrazine derivatives with α-picoline-borane has been developed to synthesize a variety of N-alkylhydrazine derivatives. This method provided N,N-dialkylhydrazine derivatives and N-monoalkylhydrazine derivatives upon fine-tuning of the substrates and the reagent equivalency in a one-pot manner. The method was applied to the synthesis of active pharmaceutical ingredients of therapeutic drugs such as isocarboxazid.

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