ChemicalBook > CAS DataBase List > 5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine

5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine

Product Name: 5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine
CAS No.: 929617-30-1
Chemical Name: 5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine
Synonyms: 5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine;5-bromo-3-methyl-2h-pyrazolo[3,4-c]pyridine;1H-Pyrazolo[3,4-c]pyridine,5-broMo-3-Methyl-
CBNumber: CB92471315
Molecular Formula: C7H6BrN3
Formula Weight: 212.05
MOL File: 929617-30-1.mol

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5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine Property

Boiling point:: 384.1±37.0 °C(Predicted)
Density: 1.755
storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
pka: 10.07±0.40(Predicted)
Appearance: White to yellow Solid

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H332Harmful if inhaled

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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: B697573
Product name: 5-Bromo-3-methyl-1h-pyrazolo[3,4-c]pyridine
Packaging: 25mg
Price: $145
Updated: 2021/12/16

TRC

Product number: B697573
Product name: 5-Bromo-3-methyl-1h-pyrazolo[3,4-c]pyridine
Packaging: 250mg
Price: $635
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: HCH0037593
Product name: 5-BROMO-3-METHYL-1H-PYRAZOLO[3,4-C]PYRIDINE
Purity: 95.00%
Packaging: 1G
Price: $2069.76
Updated: 2021/12/16

AK Scientific

Product number: W9578
Product name: 5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine
Packaging: 10g
Price: $2075
Updated: 2021/12/16

Matrix Scientific

Product number: 073316
Product name: 5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine
Purity: 95+%
Packaging: 250mg
Price: $629
Updated: 2021/12/16

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5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine Chemical Properties,Usage,Production

Synthesis

1114523-56-6

929617-30-1

General procedure for the synthesis of 5-bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine from 1-(2-bromo-5-fluoro-4-pyridinyl)ethanone: 50 mL of anhydrous ethylene glycol was added to dissolve 1-(2-bromo-5-fluoro-4-pyridinyl)ethanone (8.2 g, 37.6 mmol) in a 150 mL pressure flask. Subsequently, anhydrous hydrazine (1.24 mL, 39.5 mmol) was added slowly dropwise via syringe. The light yellow mixture obtained by stirring was sealed and the reaction was heated at 165°C. After 3.5 h, the orange-brown reaction mixture was removed from the heat source and cooled to room temperature. The reaction mixture was poured into a stirred mixture of 300 g of ice water (1:1), at which point a solid precipitated. After continued stirring for 10 minutes, the heterogeneous mixture was vacuum filtered. The collected solid was dried under vacuum to give a high purity off-white solid product (7.9 g, 99% yield), which could be used in subsequent reactions without further purification. Product characterization data: 1H NMR (CD3OD-d4) δ 8.73 (s, 1H), 7.98 (s, 1H), 2.59 (s, 3H); LC/MS (MH+) = 211.5, 213.7; retention time (RT) = 1.33 min.

References

[1] Tetrahedron Letters, 2009, vol. 50, # 4, p. 383 - 385
[2] Patent: WO2009/32651, 2009, A1. Location in patent: Page/Page column 8; 32
[3] Patent: WO2016/26549, 2016, A1. Location in patent: Page/Page column 47
[4] Patent: EP2773638, 2015, B1. Location in patent: Paragraph 1324; 1328

5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine Preparation Products And Raw materials

Raw materials

Preparation Products

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5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine Suppliers

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View Lastest Price from 5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine manufacturers

Career Henan Chemical Co

Product: 5-Bromo-3-methyl-1H-pyrazolo[3,4-c]pyridine 929617-30-1
Price: US $0.01/KG
Min. Order: 1KG
Purity: 98%; 99%
Supply Ability: 1kg; 10kg; 25kg
Release date: 2020-01-07

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