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ChemicalBook >> CAS DataBase List >> 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole

3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole

3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole price.
  • $5 - $1315
  • Product name: 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole
  • CAS: 844501-71-9
  • MF: C9H15BN2O2
  • MW: 194.04
  • EINECS:
  • MDL Number:MFCD07368044
  • Synonyms:3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE-2-YL)PYRRAZOLE;3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOLONE)-PYRAZOLE;3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOLONE)-PYRRAZOLE;1H-Pyrazole-5-boronic acid pinacol ester;1H-Pyrazole-3-boronic acid pinacol ester, 95%;PYRAZOLE-3-BORONIC ACID PINACOL ESTER;1H-Pyrazole, 3-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-;3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 2-(1H-Pyrazol-3-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 1H-Pyrazole-5-boronic acid, pinacol ester
Price61 Properties Safety Information Description
61 prices
Selected condition：
Brand
  • aablocks
  • AccelPharmtech
  • ACHEMBLOCK
  • AK Scientific
  • Ambeed
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Ark Pharm
  • Atlantic Research Chemicals
  • Chemenu
  • Chem-Impex
  • Crysdot
  • Matrix Scientific
  • Medical Isotopes, Inc.
  • SynQuest Laboratories
  • Synthonix
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
  • Usbiological
Package
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  • 1gm:
  • Manufactureraablocks
  • Product numberAA00360K
  • Product description1H-Pyrazole, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 97%
  • Packaging1g
  • Price$8
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00360K
  • Product description1H-Pyrazole, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 97%
  • Packaging5g
  • Price$12
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00360K
  • Product description1H-Pyrazole, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 97%
  • Packaging10g
  • Price$15
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA00360K
  • Product description1H-Pyrazole, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 98%
  • Packaging25g
  • Price$26
  • Updated2026-05-28
  • Buy
  • ManufacturerAccelPharmtech
  • Product numberSC1119
  • Product description3-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-1H-PYRAZOLE 97.00%
  • Packaging5G
  • Price$190
  • Updated2026-05-21
  • Buy
  • ManufacturerAccelPharmtech
  • Product numberSC1119
  • Product description3-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-1H-PYRAZOLE 97.00%
  • Packaging25G
  • Price$590
  • Updated2026-05-21
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberA-845
  • Product description3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole 95%
  • Packaging100G
  • Price$155
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberA-845
  • Product description3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole 95%
  • Packaging25G
  • Price$55
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberA-845
  • Product description3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole 95%
  • Packaging5G
  • Price$15
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberA-845
  • Product description3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole 95%
  • Packaging1G
  • Price$5
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ98071
  • Product descriptionPyrazole-3-boronicacidpinacolester
  • Packaging1g
  • Price$60
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberX2294
  • Product descriptionPyrazole-3-boronicacidpinacolester
  • Packaging5g
  • Price$234
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberX2294
  • Product descriptionPyrazole-3-boronicacidpinacolester
  • Packaging25g
  • Price$767
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA233834
  • Product description3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%
  • Packaging500g
  • Price$1315
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA233834
  • Product description3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%
  • Packaging100g
  • Price$310
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA233834
  • Product description3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%
  • Packaging25g
  • Price$109
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00360K 1H-Pyrazole, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 97% 1g $8 2026-05-28 Buy
aablocks AA00360K 1H-Pyrazole, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 97% 5g $12 2026-05-28 Buy
aablocks AA00360K 1H-Pyrazole, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 97% 10g $15 2026-05-28 Buy
aablocks AA00360K 1H-Pyrazole, 3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)- 98% 25g $26 2026-05-28 Buy
AccelPharmtech SC1119 3-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-1H-PYRAZOLE 97.00% 5G $190 2026-05-21 Buy
AccelPharmtech SC1119 3-(4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLAN-2-YL)-1H-PYRAZOLE 97.00% 25G $590 2026-05-21 Buy
ACHEMBLOCK A-845 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole 95% 100G $155 2026-05-27 Buy
ACHEMBLOCK A-845 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole 95% 25G $55 2026-05-27 Buy
ACHEMBLOCK A-845 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole 95% 5G $15 2026-05-27 Buy
ACHEMBLOCK A-845 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolane)-pyrazole 95% 1G $5 2026-05-27 Buy
AK Scientific J98071 Pyrazole-3-boronicacidpinacolester 1g $60 2021-12-16 Buy
AK Scientific X2294 Pyrazole-3-boronicacidpinacolester 5g $234 2021-12-16 Buy
AK Scientific X2294 Pyrazole-3-boronicacidpinacolester 25g $767 2021-12-16 Buy
Ambeed A233834 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97% 500g $1315 2021-12-16 Buy
Ambeed A233834 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97% 100g $310 2021-12-16 Buy
Ambeed A233834 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97% 25g $109 2021-12-16 Buy
Next Last

Properties

Melting point :105-108°C
Boiling point :335.4±15.0 °C(Predicted)
Density :1.09±0.1 g/cm3(Predicted)
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
form :powder to crystal
pka :14.02±0.10(Predicted)
color :White to Almost white
Water Solubility :Insoluble in water.

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Description

1H-Pyrazole-3-boronic acid pinacol ester is used as an intermediate in organic synthesis.

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Alfa Aesar Beijing HwrkChemical Technology Co., Ltd Energy Chemical Beijing Ouhe Technology Co., Ltd Pure Chemistry Scientific Inc. Accela ChemBio Co.,Ltd. Nanjing Chemlin Chemical Co., Ltd Shanghai Hanhong Scientific Co.,Ltd. Santai Labs, Inc.