7-Bromo[1,2,4]triazolo[4,3-a]pyridine

Product Name: 7-Bromo[1,2,4]triazolo[4,3-a]pyridine
CAS No.: 832735-60-1
Chemical Name: 7-Bromo[1,2,4]triazolo[4,3-a]pyridine
Synonyms: 7-BroMo[1,2,4]triazolo[4,...;7-Bromo(1,2,4)oxazol-4,3A-pyridine;7-Bromo[1,2,4]triazolo[4,3-a]pyridine;1,2,4-Triazolo[4,3-a]pyridine, 7-bromo-;7-BroMo[1,2,4]triazolo[4,3-a]pyridine C6H4BrN3 198.023
CBNumber: CB32471308
Molecular Formula: C6H4BrN3
Formula Weight: 198.02
MOL File: 832735-60-1.mol

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7-Bromo[1,2,4]triazolo[4,3-a]pyridine Property

Density: 1.89
storage temp.: Inert atmosphere,Room Temperature
pka: 2.08±0.50(Predicted)
Appearance: Off-white to light brown Solid
InChI: InChI=1S/C6H4BrN3/c7-5-1-2-10-4-8-9-6(10)3-5/h1-4H
InChIKey: JDEILNJRIPGRER-UHFFFAOYSA-N
SMILES: C12=NN=CN1C=CC(Br)=C2

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Safety

HS Code: 2933998090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TRC

Product number: B688513
Product name: 7-Bromo[1,2,4]triazolo[4,3-a]pyridine
Packaging: 100mg
Price: $65
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB143950
Product name: 7-Bromo-[1,2,4]triazolo[4,3-a]pyridine
Packaging: 100mg
Price: $72
Updated: 2021/12/16

AK Scientific

Product number: W8660
Product name: 7-Bromo[1,2,4]triazolo[4,3-a]pyridine
Packaging: 100mg
Price: $89
Updated: 2021/12/16

Apolloscientific

Product number: OR904778
Product name: 7-Bromo[1,2,4]triazolo[4,3-a]pyridine
Purity: 98%
Packaging: 1g
Price: $406
Updated: 2021/12/16

Biosynth Carbosynth

Product number: FB143950
Product name: 7-Bromo-[1,2,4]triazolo[4,3-a]pyridine
Packaging: 1g
Price: $431
Updated: 2021/12/16

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7-Bromo[1,2,4]triazolo[4,3-a]pyridine Chemical Properties,Usage,Production

Synthesis

64-18-6

1019918-39-8

832735-60-1

General procedure for the synthesis of 7-bromo[1,2,4]triazolo[4,3-a]pyridine from formic acid and 4-bromo-2-hydrazinopyridine: 4-bromo-2-hydrazinopyridine (Compound 41.1, 1.0 equiv) was suspended in formic acid (3 mL). The reaction mixture was heated and stirred at 100 °C for 1 hour. After completion of the reaction, the mixture was cooled to room temperature. The VOCs were evaporated under reduced pressure and water (50 mL) was added to the residue. The precipitated solid was collected by filtration, washed with water and dried under reduced pressure at 50 °C to afford 7-bromo[1,2,4]triazolo[4,3-a]pyridine (Compound 41.2, 1.68 g, 90% yield) as an off-white solid. Mass spectrum (electrospray positive ion mode) m/z: 198, 200 [M+H]+.

References

[1] Patent: WO2014/8197, 2014, A1. Location in patent: Page/Page column 110
[2] Patent: WO2015/95767, 2015, A1. Location in patent: Page/Page column 125
[3] Patent: WO2010/89303, 2010, A1. Location in patent: Page/Page column 71

7-Bromo[1,2,4]triazolo[4,3-a]pyridine Preparation Products And Raw materials

Raw materials

Preparation Products

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7-Bromo[1,2,4]triazolo[4,3-a]pyridine Suppliers

China 84 Germany 1 India 1 United Kingdom 2 United States 9 Global 97

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