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ChemicalBook >> CAS DataBase List >> 1-Benzyl-1H-pyrazole-4-boronic acid pinacol ester

1-Benzyl-1H-pyrazole-4-boronic acid pinacol ester

$8 - $6476
Product name: 1-Benzyl-1H-pyrazole-4-boronic acid pinacol ester
CAS: 761446-45-1
MF: C16H21BN2O2
MW: 284.16
EINECS:671-685-7
MDL Number:MFCD03789252
Synonyms:1-BENZYL- 4-PYRAZOLEBORONIC ACID PINACOL ESTER;1-Benzyl-4-pyrazole boronic acid pinacol ester, 1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole,97%;1-benzyl-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyra;1H-Pyrazole, 1-(phenylMethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-;1-(PhenylMethyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, {[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]methyl}benzene;1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole

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ManufacturerA1 Biochem Labs
Product number6587229
Product description1-Benzyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 95%
Packaging250g
Price$1700
Updated2021-12-16
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Manufactureraablocks
Product numberAA003DWJ
Product description1-(Phenylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%
Packaging5g
Price$18
Updated2026-05-28
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Manufactureraablocks
Product numberAA003DWJ
Product description1-(Phenylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%
Packaging10g
Price$30
Updated2026-05-28
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Manufactureraablocks
Product numberAA003DWJ
Product description1-(Phenylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%
Packaging25g
Price$62
Updated2026-05-28
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Manufactureraablocks
Product numberAA003DWJ
Product description1-(Phenylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%
Packaging1g
Price$10
Updated2026-05-28
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Manufactureraablocks
Product numberAA003DWJ
Product description1-(Phenylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%
Packaging250mg
Price$8
Updated2026-05-28
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ManufacturerACHEMBLOCK
Product numberQ66384
Product description1-benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%
Packaging100G
Price$330
Updated2026-05-27
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ManufacturerAHH
Product numberMT-28092
Product description1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 98%
Packaging25g
Price$520
Updated2021-12-16
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ManufacturerAHH
Product numberMT-28092
Product description1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%
Packaging25g
Price$520
Updated2026-05-25
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ManufacturerAHH
Product numberMT-28092
Product description1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%
Packaging25g
Price$520
Updated2026-05-26
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ManufacturerAK Scientific
Product numberV0024
Product description1-Benzylpyrazole-4-boronic acid pinacol ester
Packaging25g
Price$421
Updated2021-12-16
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ManufacturerAK Scientific
Product numberAMTB073
Product description1-Benzylpyrazole-4-boronic acid pinacol ester 98%
Packaging5g
Price$98
Updated2026-06-04
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ManufacturerAK Scientific
Product numberV0024
Product description1-Benzylpyrazole-4-boronic acid pinacol ester
Packaging5g
Price$114
Updated2021-12-16
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ManufacturerAK Scientific
Product numberAMTB073
Product description1-Benzylpyrazole-4-boronic acid pinacol ester 98%
Packaging10g
Price$183
Updated2026-06-04
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ManufacturerAK Scientific
Product numberAMTB073
Product description1-Benzylpyrazole-4-boronic acid pinacol ester 98%
Packaging1g
Price$33
Updated2026-06-04
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ManufacturerAK Scientific
Product numberAMTB073
Product description1-Benzylpyrazole-4-boronic acid pinacol ester
Packaging1g
Price$29
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
A1 Biochem Labs	6587229	1-Benzyl-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 95%	250g	$1700	2021-12-16	Buy
aablocks	AA003DWJ	1-(Phenylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%	5g	$18	2026-05-28	Buy
aablocks	AA003DWJ	1-(Phenylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%	10g	$30	2026-05-28	Buy
aablocks	AA003DWJ	1-(Phenylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%	25g	$62	2026-05-28	Buy
aablocks	AA003DWJ	1-(Phenylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%	1g	$10	2026-05-28	Buy
aablocks	AA003DWJ	1-(Phenylmethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%	250mg	$8	2026-05-28	Buy
ACHEMBLOCK	Q66384	1-benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%	100G	$330	2026-05-27	Buy
AHH	MT-28092	1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 98%	25g	$520	2021-12-16	Buy
AHH	MT-28092	1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%	25g	$520	2026-05-25	Buy
AHH	MT-28092	1-Benzyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 97%	25g	$520	2026-05-26	Buy
AK Scientific	V0024	1-Benzylpyrazole-4-boronic acid pinacol ester	25g	$421	2021-12-16	Buy
AK Scientific	AMTB073	1-Benzylpyrazole-4-boronic acid pinacol ester 98%	5g	$98	2026-06-04	Buy
AK Scientific	V0024	1-Benzylpyrazole-4-boronic acid pinacol ester	5g	$114	2021-12-16	Buy
AK Scientific	AMTB073	1-Benzylpyrazole-4-boronic acid pinacol ester 98%	10g	$183	2026-06-04	Buy
AK Scientific	AMTB073	1-Benzylpyrazole-4-boronic acid pinacol ester 98%	1g	$33	2026-06-04	Buy
AK Scientific	AMTB073	1-Benzylpyrazole-4-boronic acid pinacol ester	1g	$29	2021-12-16	Buy

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Properties

Melting point :86-90 °C(lit.)
Boiling point :427.9±28.0 °C(Predicted)
Density :1.07±0.1 g/cm3(Predicted)
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
solubility :soluble in Methanol
form :solid
pka :1.85±0.10(Predicted)
color :white to yellow
Water Solubility :Insoluble
InChI :1S/C16H21BN2O2/c1-15(2)16(3,4)21-17(20-15)14-10-18-19(12-14)11-13-8-6-5-7-9-13/h5-10,12H,11H2,1-4H3
InChIKey :ZVPORPUUZXIPEF-UHFFFAOYSA-N
SMILES :CC1(C)OB(OC1(C)C)c2cnn(Cc3ccccc3)c2
CAS DataBase Reference :761446-45-1(CAS DataBase Reference)

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	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.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
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

1-Benzylpyrazole-4-boronic acid pinacol ester can be used:

As a model compound in the study of the stability of boronate esters in different alcohols using the LCMS technique.
As a substrate in the study of palladium-catalyzed methylation of heteroaryl boronate esters using iodomethane.
As a substrate in the preparation of bromodifluoromethylthiolated arenes, applicable in the radiosynthesis of [¹⁸F]ArylSCF₃ compounds.

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Suppliers and manufacturers

Hubei Lidu New Material Technology Co., Ltd

1-Benzyl-1H-pyrazole-4-boronic acid pinacol ester CAS:761446-45-1

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

$3.00
1-Benzyl-1H-pyrazole-4-boronic acid pinacol ester CAS:761446-45-1

Hebei Jimi Trading Co., Ltd.

$1.00
1-Benzyl-1H-pyrazole-4-boronic acid pinacol ester CAS:761446-45-1

career henan chemical co

$2.00
1-Benzyl-1H-pyrazole-4-boronic acid pinacol ester CAS:761446-45-1

Capot Chemical Co.,Ltd.

Alchem Pharmtech,Inc.

Wuhan Chemwish Technology Co., Ltd

CONIER CHEM AND PHARMA LIMITED

Guangzhou Yuheng Pharmaceutical Technology Co., Ltd

Shanghai UCHEM Inc.

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1-Benzyl-1H-pyrazole-4-boronic acid pinacol ester

Properties

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Description

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