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ChemicalBook >> CAS DataBase List >> 4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane

4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane

$36 - $1738
Product name: 4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane
CAS: 874959-74-7
MF: C11H17BO2S
MW: 224.13
EINECS:
MDL Number:MFCD18383149
Synonyms:4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane;1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-(5-methyl-3-thienyl)-;2-Methylthiophene-4-boronic acid pinacol ester;4,4,5,5-tetramethyl-2-(5-methyl-3-thienyl)-1,3,2-dioxaborolane

Price36 Properties Safety Information Description

36 prices

Selected condition：

Brand

aablocks
ACHEMBLOCK
Acrotein
AOBChem
Biosynth
ChemBridge Corporation
Chemenu
Matrix Scientific
Synthonix
TRC

Package

50mg
100mg
250.00mg
0.25g
250mg
0.5g
500mg
1.00g
1g
5g
5.00g
10g
25g
100g
200μmol

Manufactureraablocks
Product numberAA00IEKG
Product description4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane 95%
Packaging100mg
Price$36
Updated2026-05-29
Buy

Manufactureraablocks
Product numberAA00IEKG
Product description4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane 95%
Packaging250mg
Price$45
Updated2026-05-29
Buy

Manufactureraablocks
Product numberAA00IEKG
Product description4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane 95%
Packaging1g
Price$85
Updated2026-05-29
Buy

Manufactureraablocks
Product numberAA00IEKG
Product description4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane 95%
Packaging5g
Price$226
Updated2026-05-29
Buy

Manufactureraablocks
Product numberAA00IEKG
Product description4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane 95%
Packaging10g
Price$429
Updated2026-05-29
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ManufacturerACHEMBLOCK
Product numberT94431
Product description4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane 95%
Packaging5G
Price$315
Updated2026-05-27
Buy

ManufacturerACHEMBLOCK
Product numberT94431
Product description4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane 95%
Packaging1G
Price$125
Updated2026-05-27
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ManufacturerAcrotein
Product numberUT01164
Product description4,4,5,5-Tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane 97%
Packaging0.25g
Price$183.33
Updated2021-12-16
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ManufacturerAcrotein
Product numberUT01164
Product description4,4,5,5-Tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane 97%
Packaging0.5g
Price$297.12
Updated2021-12-16
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ManufacturerAcrotein
Product numberUT01164
Product description4,4,5,5-Tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane 97%
Packaging1g
Price$469.14
Updated2021-12-16
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ManufacturerAOBChem
Product numberA31447
Product description4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%
Packaging25g
Price$657
Updated2026-05-26
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ManufacturerAOBChem
Product numberA31447
Product description4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%
Packaging100g
Price$1738
Updated2026-05-26
Buy

ManufacturerAOBChem
Product numberA31447
Product description4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%
Packaging1g
Price$85
Updated2026-05-26
Buy

ManufacturerAOBChem
Product numberA31447
Product description4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%
Packaging5g
Price$212
Updated2026-05-26
Buy

ManufacturerAOBChem
Product numberA31447
Product description4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%
Packaging10g
Price$345
Updated2026-05-26
Buy

ManufacturerAOBChem
Product numberA31447
Product description4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%
Packaging500mg
Price$59
Updated2026-05-26
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA00IEKG	4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane 95%	100mg	$36	2026-05-29	Buy
aablocks	AA00IEKG	4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane 95%	250mg	$45	2026-05-29	Buy
aablocks	AA00IEKG	4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane 95%	1g	$85	2026-05-29	Buy
aablocks	AA00IEKG	4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane 95%	5g	$226	2026-05-29	Buy
aablocks	AA00IEKG	4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane 95%	10g	$429	2026-05-29	Buy
ACHEMBLOCK	T94431	4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane 95%	5G	$315	2026-05-27	Buy
ACHEMBLOCK	T94431	4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane 95%	1G	$125	2026-05-27	Buy
Acrotein	UT01164	4,4,5,5-Tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane 97%	0.25g	$183.33	2021-12-16	Buy
Acrotein	UT01164	4,4,5,5-Tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane 97%	0.5g	$297.12	2021-12-16	Buy
Acrotein	UT01164	4,4,5,5-Tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane 97%	1g	$469.14	2021-12-16	Buy
AOBChem	A31447	4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%	25g	$657	2026-05-26	Buy
AOBChem	A31447	4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%	100g	$1738	2026-05-26	Buy
AOBChem	A31447	4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%	1g	$85	2026-05-26	Buy
AOBChem	A31447	4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%	5g	$212	2026-05-26	Buy
AOBChem	A31447	4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%	10g	$345	2026-05-26	Buy
AOBChem	A31447	4,4,5,5-tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane ≥95%	500mg	$59	2026-05-26	Buy

Next Last

Properties

Boiling point :308.2±30.0 °C(Predicted)
Density :1.06±0.1 g/cm3(Predicted)
storage temp. :2-8°C, stored under nitrogen
Appearance :Light yellow to yellow Solid

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	P-Codes
H302	Harmful if swallowed	Acute toxicity,oral	Category 4	Warning	P264, P270, P301+P312, P330, P501
H312	Harmful in contact with skin	Acute toxicity,dermal	Category 4	Warning	P280,P302+P352, P312, P322, P363,P501
H332	Harmful if inhaled	Acute toxicity,inhalation	Category 4	Warning	P261, P271, P304+P340, P312

Precautionary statements:

P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P264	Wash hands thoroughly after handling.
P264	Wash skin thouroughly after handling.
P270	Do not eat, drink or smoke when using this product.
P271	Use only outdoors or in a well-ventilated area.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312	IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352	IF ON SKIN: wash with plenty of soap and water.
P304+P340	IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P330	Rinse mouth.
P363	Wash contaminated clothing before reuse.
P501	Dispose of contents/container to..…

Description

More related product prices

2-Formylthiophene-4-boronic acid pinacol ester 2-(2,5-DiMethylthiophen-3-yl)-4,4,5,5-tetraMethyl-1,3,2-dioxaborolane Thiophene-3-boronic acid pinacol ester 2-Methylthiophene-3-boronic acid pinacol ester

Suppliers and manufacturers

Shanghai ShiXian Chemical Technology Co., Ltd. Changzhou Hopschain Chemical Co.,Ltd. Zhengzhou Huiju Chemical Co., Ltd. Combiphos (Shanghai) Biological Technology Co., Ltd. Combiphos (Shanghai) Biological Technology Co., Ltd. Aikon International Limited Shanghai Amico Chemicals Co. LTD Shanghai Kaiwei Chemical Technology Co., Ltd. Nanjing Shizhou Biology Technology Co.,Ltd Jinan Xinhongtai Chemical Co. LTD

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4,4,5,5-tetraMethyl-2-(5-Methylthiophen-3-yl)-1,3,2-dioxaborolane

Properties

Safety Information

Description

Related product price

Suppliers and manufacturers