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5-Hydroxymethylthiophene-2-boronic acid

CAS No.
338454-45-8
Chemical Name:
5-Hydroxymethylthiophene-2-boronic acid
Synonyms
5-HYDROXYMETHYLTHIOPHENE-2-BORONIC ACID;5-(hydroxymethyl)thiophen-2-yl]boronicaci;5-(Hydroxymethyl)thiophene-2-boronic aicd;[5-(hydroxyMethyl)thiophen-2-yl]boronic acid;5-(hydroxymethyl)thiophen-2-yl-2-boronic acid;5-Hydroxymethylthiophene-2-boronic acid, >=98%;Boronic acid, B-[5-(hydroxymethyl)-2-thienyl]-;(5-(Hydroxymethyl)thiophen-2-yl)boronic acid(contains varying amounts of Anhydride)
CBNumber:
CB8190815
Molecular Formula:
C5H7BO3S
Molecular Weight:
157.98
MDL Number:
MFCD03095370
MOL File:
338454-45-8.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-06-05 18:38:38

5-Hydroxymethylthiophene-2-boronic acid Properties

Boiling point 399.9±52.0 °C(Predicted)
Density 1.42±0.1 g/cm3(Predicted)
storage temp. Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
pka 8.42±0.53(Predicted)
Appearance White to light yellow Solid

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338
HS Code  2934999090

5-Hydroxymethylthiophene-2-boronic acid price More Price(46)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Activate Scientific AS15239 5-Hydroxymethylthiophene-2-boronic acid 97% 338454-45-8 1g $33 2026-06-04 Buy
Activate Scientific AS15239 5-Hydroxymethylthiophene-2-boronic acid 97% 338454-45-8 5g $144 2026-06-04 Buy
Activate Scientific AS15239 5-Hydroxymethylthiophene-2-boronic acid 97% 338454-45-8 25g $596 2026-06-04 Buy
Synthonix H41182 (5-(Hydroxymethyl)thiophen-2-yl)boronic acid 97% 338454-45-8 100mg $15 2026-05-06 Buy
Synthonix H41182 (5-(Hydroxymethyl)thiophen-2-yl)boronic acid 97% 338454-45-8 250mg $19 2026-05-06 Buy
Product number Packaging Price Buy
AS15239 1g $33 Buy
AS15239 5g $144 Buy
AS15239 25g $596 Buy
H41182 100mg $15 Buy
H41182 250mg $19 Buy

5-Hydroxymethylthiophene-2-boronic acid Chemical Properties, Uses, Production

Synthesis

2-Thiophenemethanol

636-72-6

5-Hydroxymethylthiophene-2-boronic acid

338454-45-8

General procedure for the synthesis of 5-hydroxymethylthiophene-2-boronic acid from 2-thiophene methanol: 2-hydroxymethylthiophene (2.28 g, 20 mmol) was dissolved in molecularly sieve-dried tetrahydrofuran (40 mL), the solution was cooled to -78 °C, and a 1.6 M n-butyllithium solution (25 mL, 40 mmol) in n-hexane was added slowly and dropwise, protected by argon gas. Subsequently, the reaction mixture was warmed to -30 °C and then cooled again to -78 °C and a solution of tetrahydrofuran (20 mL) of trimethyl borate (6.69 mL, 60 mmol) was added dropwise at this temperature. The reaction was held between -78 °C and -70 °C for 15 minutes. After continuing to stir at -78 °C for 2 h, the mixture was slowly warmed to room temperature and poured into water (50 mL) and the pH was adjusted to 3. 2 N aqueous hydrochloric acid (28 mL) was added and the mixture was extracted with ether, the extract was washed with saturated aqueous sodium chloride, dried over anhydrous sodium sulfate, filtered, and concentrated. The product 5-hydroxymethylthiophene-2-boronic acid 1.1 g (yield 36%) was obtained as a brown oil. Mass spectrum (MS): 158 (M).

References

[1] Patent: US6821980, 2004, B1. Location in patent: Page column 30-31

5-Hydroxymethylthiophene-2-boronic acid Preparation Products And Raw materials

Global Suppliers ( 107)
Supplier Tel Email Country ProdList Advantage
PharmaBlock Sciences (Nanjing),Inc. 025-86918202 4000255188 sales@pharmablock.com China 5000 55
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
Tetranov Biopharm 13526569071 sales@leadmedpharm.com China 7881 64
Shanghai Topbiochem Technology Co., Ltd 021-58170097 info@topbiochem.com China 9509 58
Nanjing Raise Pharmatech Co., Ltd. 025-58649566 15005191108 sales@njboyuanchem.com China 113 60
Hebei Summedchem Co.,Ltd 0319-5801333-8008 15630992918 sales@summedchem.com China 1000 58
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Shanghai ShiXian Chemical Technology Co., Ltd. 13764359345 990877971@qq.com China 1922 50
Shanghai Aspire Biological Technology Co., Ltd. 021-61317773 sales@aspirebio.com China 2880 58
Zhengzhou TRIZ Pharmaceutical Technology Co., Ltd. 19943855286 94644163@qq.com China 1934 56

View Latest Price from 5-Hydroxymethylthiophene-2-boronic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
5-Hydroxymethylthiophene-2-boronic acid pictures 2026-09-20 5-Hydroxymethylthiophene-2-boronic acid
338454-45-8
1G 98% 2000 Shenzhen Nexcon Pharmatechs Ltd.
5-Hydroxymethylthiophene-2-boronic acid pictures 2025-04-04 5-Hydroxymethylthiophene-2-boronic acid
338454-45-8
1kg 98% 1Ton Henan Aochuang Chemical Co.,Ltd.
5-Hydroxymethylthiophene-2-boronic acid pictures 2021-07-13 5-Hydroxymethylthiophene-2-boronic acid
338454-45-8
$10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd
5-HYDROXYMETHYLTHIOPHENE-2-BORONIC ACID [5-(hydroxyMethyl)thiophen-2-yl]boronic acid 5-(hydroxymethyl)thiophen-2-yl-2-boronic acid 5-Hydroxymethylthiophene-2-boronic acid, >=98% 5-(Hydroxymethyl)thiophene-2-boronic aicd Boronic acid, B-[5-(hydroxymethyl)-2-thienyl]- 5-(hydroxymethyl)thiophen-2-yl]boronicaci (5-(Hydroxymethyl)thiophen-2-yl)boronic acid(contains varying amounts of Anhydride) 338454-45-8 C5H7BO3S Boronic Acid