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33421-40-8

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33421-40-8 Usage

Chemical Properties

Beige Crystalline Solid

Uses

A product from the pyrolysis of phenylalanine

Safety Profile

Mutation data reported. Whenheated to decomposition it emits toxic fumes of NOx.

Check Digit Verification of cas no

The CAS Registry Mumber 33421-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,4,2 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33421-40:
(7*3)+(6*3)+(5*4)+(4*2)+(3*1)+(2*4)+(1*0)=78
78 % 10 = 8
So 33421-40-8 is a valid CAS Registry Number.
InChI:InChI=1/C11H10N2/c12-11-7-6-10(8-13-11)9-4-2-1-3-5-9/h1-8H,(H2,12,13)

33421-40-8 Well-known Company Product Price

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  • (Code)Product description
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  • Alfa Aesar

  • (H26002)  2-Amino-5-phenylpyridine, 97%   

  • 33421-40-8

  • 250mg

  • 649.0CNY

  • Detail
  • Alfa Aesar

  • (H26002)  2-Amino-5-phenylpyridine, 97%   

  • 33421-40-8

  • 1g

  • 1868.0CNY

  • Detail

33421-40-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-phenylpyridin-2-amine

1.2 Other means of identification

Product number -
Other names 5-phenyl-2-pyridinamine

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:33421-40-8 SDS

33421-40-8Relevant articles and documents

Mild, General, and Regioselective Synthesis of 2-Aminopyridines from Pyridine N -Oxides via N -(2-Pyridyl)pyridinium Salts

Xiong, Hui,Hoye, Adam T.

supporting information, p. 371 - 375 (2022/01/27)

A synthesis of 2-aminopyridines from pyridine N-oxides via their corresponding N-(2-pyridyl)pyridinium salts has been demonstrated and investigated. The reaction sequence features a highly regioselective conversion of the N-oxide into its pyridinium salt

Synthesis of 2-guanidinyl pyridines and their trypsin inhibition and docking

Ahmed Al-Hadhrami, Nahlah,Evans, Paul,Ladwig, Angelique,Paul G. Malthouse, J.,Rahman, Adeyemi,Rozas, Isabel

supporting information, (2020/07/10)

A range of guanidine-based pyridines, and related compounds, have been prepared (19 examples). These compounds were evaluated in relation to their competitive inhibition of bovine pancreatic trypsin. Results demonstrate that compounds in which the guanidinyl substituent can form an intramolecular hydrogen bond (IMHB) with the pyridinyl nitrogen atom (6a–p) are better trypsin inhibitors than their counterparts (10–13) that are unable to form an IMHB. Among the compounds 6a–p, examples containing a 5-halo substituent were, generally, found to be better trypsin inhibitors. This trend was inversely related to electronegativity, thus, 1-(5-iodopyridin-2-yl)guanidinium ion 6e (Ki = 0.0151 mM) was the optimum inhibitor in the 5-halo series. Amongst the isomeric methyl substituted compounds, 1-(3-methylpyridin-2-yl)guanidinium ion 6h demonstrated optimum levels of trypsin inhibition (Ki = 0.0140 mM). In order to rationalise the measured enzyme inhibition, selected compounds were docked with bovine and human trypsin with a view to understanding active site occupancy and taken together with the Ki values the order of inhibitory ability suggests that the 5-halo 2-guanidinyl pyridine inhibitors form a halogen bond with the catalytically active serine hydroxy group.

METHODS FOR EXTERNAL BASE-FREE SUZUKI COUPLINGS

-

Paragraph 0040-0041, (2017/07/14)

The present disclosure describes a method of coupling a first aromatic compound to a second aromatic compound, the method comprising: (a) preparing a reaction mixture comprising the first aromatic compound, the second aromatic compound, a catalyst and water; the reaction mixture does not contain an external base, the reaction mixture having an initial pH of from 11 to 1; the catalyst having at least one group 10 atom; the first aromatic compound having a halogen, triflate or sulfonate substituent; the second aromatic compound having a boron-containing substituent; wherein, at least one of the first aromatic compound or the second aromatic compound includes one or more heteroatom; and (b) reacting the first aromatic compound and the second aromatic compound in the reaction mixture, the reaction mixture having a final pH following reaction of the first aromatic compound and the second aromatic compound.

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