ChemicalBook > CAS DataBase List > 1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester

1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester

Product Name
1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester
CAS No.
1282518-60-8
Chemical Name
1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester
Synonyms
1-Isopropyl-5-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1-propan-2-yl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole;1-Isopropylpyrazole-5-boronic Acid Pinacol Ester;1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester;(1-Isopropyl-1H-Pyrazol-5-YL)Boronic Acid Pinacol Ester;1-Isopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl);1-(propan-2-yl)-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1-(propan-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1-(1-Methylethyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole;1-(propan-2-yl)-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole - [P18423]
CBNumber
CB22563725
Molecular Formula
C12H21BN2O2
Formula Weight
236.12
MOL File
1282518-60-8.mol
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1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester Property

Boiling point:
327.3±15.0 °C(Predicted)
Density 
1.03±0.1 g/cm3(Predicted)
storage temp. 
Inert atmosphere,Store in freezer, under -20°C
pka
1.98±0.10(Predicted)
form 
solid
color 
White to off-white
InChI
InChI=1S/C12H21BN2O2/c1-9(2)15-10(7-8-14-15)13-16-11(3,4)12(5,6)17-13/h7-9H,1-6H3
InChIKey
ZKZJXVGTTZXHGX-UHFFFAOYSA-N
SMILES
N1(C(C)C)C(B2OC(C)(C)C(C)(C)O2)=CC=N1
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Safety

HS Code 
2933199090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

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

P271Use only outdoors or in a well-ventilated area.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

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N-Bromosuccinimide Price

TRC
Product number
I873460
Product name
1-Isopropyl-1H-pyrazole-5-boronicacid,pinacolester
Packaging
250mg
Price
$75
Updated
2021/12/16
ChemScene
Product number
CS-W003889
Product name
1-Isopropyl-1H-pyrazole-5-boronicacid,pinacolester
Purity
≥97.0%
Packaging
1g
Price
$50
Updated
2021/12/16
ChemScene
Product number
CS-W003889
Product name
1-Isopropyl-1H-pyrazole-5-boronicacid,pinacolester
Purity
≥97.0%
Packaging
5g
Price
$140
Updated
2021/12/16
SynQuest Laboratories
Product number
8H60-1-BG
Product name
1-(Propan-2-yl)-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
Purity
97.0%
Packaging
250mg
Price
$240
Updated
2021/12/16
ChemScene
Product number
CS-W003889
Product name
1-Isopropyl-1H-pyrazole-5-boronicacid,pinacolester
Purity
≥97.0%
Packaging
25g
Price
$530
Updated
2021/12/16
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1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester Chemical Properties,Usage,Production

Synthesis

1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester could be synthesized through the reaction of 1-isopropyl-1H-pyrazole with 2-isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane. Tetrahydrofuran could used as an organic solvent. The crude product added n-hexane, heated to 40°C to dissolve the system, cooled to -20°C, stirred and crystallized, and filtered. Vacuum drying to obtain the target compound 1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester, with a yield of 77% and a purity of 99.3%.

1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Product
1-Isopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 1282518-60-8
Price
US $3.00-9.00/KG
Min. Order
0.1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2025-07-05
Shaanxi TNJONE Pharmaceutical Co., Ltd
Product
1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester 1282518-60-8
Price
US $0.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20tons
Release date
2024-04-01
Career Henan Chemical Co
Product
1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester 1282518-60-8
Price
US $2.00/KG
Min. Order
1g
Purity
98%min
Supply Ability
ask
Release date
2020-01-08

1282518-60-8, 1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol esterRelated Search:

5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)ISOINDOLIN-1-ONE 1-Ethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 1-Isopropyl-1H-pyrazole-5-carboxylic acid 2-FLUOROPHENYLBORONIC ACID, PINACOL ESTER 2-CHLOROPYRIMIDINE-5-BORONIC ACID PINACOL ESTER 2-(4-BroMo-2,6-difluoro-phenyl)-4,4,5,5-tetraMethyl-[1,3,2]dioxaborolane 1-(3-Methoxypropyl)-4-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole 1-BENZYL-1,2,3,6-TETRAHYDROPYRIDINE-4-BORONIC ACID PINACOL ESTER 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-tosyl-1,2,3,6-tetrahydropyridine 2-(3-BroMo-2-fluoro-phenyl)-4,4,5,5-tetraMethyl-[1,3,2]dioxaborolane

  • 1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester
  • 1-Isopropyl-5-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
  • 1-Isopropylpyrazole-5-boronic Acid Pinacol Ester
  • (1-Isopropyl-1H-Pyrazol-5-YL)Boronic Acid Pinacol Ester
  • 3-hydroxy-2,3-dimethylbutan-2-yl hydrogen (1-isopropyl-1H-pyrazol-5-yl)boronate
  • 1-Isopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)
  • 1-propan-2-yl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazole
  • 1-(1-Methylethyl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
  • 1H-Pyrazole, 1-(1-Methylethyl)-5-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-
  • 1-(propan-2-yl)-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
  • 1-(propan-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole
  • 1-Isopropyl-1H-pyrazole-5-boronic acid, pinacol ester (contains varying amounts of Anhydride)
  • 1-(propan-2-yl)-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole - [P18423]
  • 1282518-60-8