ChemicalBook > CAS DataBase List > 7-Bromo[1,2,4]triazolo[4,3-a]pyridine

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

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832735-60-1, 7-Bromo[1,2,4]triazolo[4,3-a]pyridineRelated Search:

7-BROMO-1,3,4,5-TETRAHYDRO-BENZO[B]AZEPIN-2-ONE 7-bromo-[1,2,4]triazolo[1,5-a]pyridin-2-amine 7-Bromo-1,3-dichloroisoquinoline 7-BROMO-1,2,3,4-TETRAHYDRO-ISOQUINOLINE 7-Bromo-1,2-dihydroisoquinolin-3(4H)-one 7-BROMO-1,2,3,4-TETRAHYDROCYCLOPENTA[B]INDOLE 7-Bromo-3,4-dihydro-1H-quinolin-2-one

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  • 7-BroMo[1,2,4]triazolo[4,...
  • 7-BroMo[1,2,4]triazolo[4,3-a]pyridine C6H4BrN3 198.023
  • 1,2,4-Triazolo[4,3-a]pyridine, 7-bromo-
  • 7-Bromo(1,2,4)oxazol-4,3A-pyridine
  • 832735-60-1
  • 832735-60-4