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ChemicalBook >> CAS DataBase List >> 4-Carboxylbenzocyclobutene

4-Carboxylbenzocyclobutene

$34 - $2650
Product name: 4-Carboxylbenzocyclobutene
CAS: 875-94-5
MF: C9H8O2
MW: 148.16
EINECS:
MDL Number:MFCD09752660
Synonyms:4-Carboxyl benzocyclobutene ;Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid (7CI,8CI,9CI);4-CBCB;Bicyclo[4.2.0]octa-1,3,5,7-tetraene-3-carboxylic acid;4-CBCB 4-Carboxyl benzocyclobutene;Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid;Cyclobutabenzene-4-carboxylic acid;4-bicyclo[4.2.0]octa-1(6),2,4,7-tetraenecarboxylic acid

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aablocks
AccelPharmtech
ACHEMBLOCK
Activate Scientific
AHH
AK Scientific
Ambeed
American Custom Chemicals Corporation
Biosynth
Crysdot
Matrix Scientific
Synthonix
TRC

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100mg
250mg
250.00mg
500mg
1.00g
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2g
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5g
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Manufactureraablocks
Product numberAA00IEKJ
Product descriptionBicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 95%
Packaging500mg
Price$100
Updated2026-05-29
Buy

Manufactureraablocks
Product numberAA00IEKJ
Product descriptionBicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%
Packaging1g
Price$110
Updated2026-05-29
Buy

Manufactureraablocks
Product numberAA00IEKJ
Product descriptionBicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%
Packaging5g
Price$394
Updated2026-05-29
Buy

Manufactureraablocks
Product numberAA00IEKJ
Product descriptionBicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%
Packaging250mg
Price$51
Updated2026-05-29
Buy

Manufactureraablocks
Product numberAA00IEKJ
Product descriptionBicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%
Packaging100mg
Price$34
Updated2026-05-29
Buy

ManufacturerAccelPharmtech
Product numberXD2562
Product description4-Carboxylbenzocyclobutene 98%
Packaging10G
Price$680
Updated2021-12-16
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ManufacturerAccelPharmtech
Product numberXD2562
Product description4-Carboxylbenzocyclobutene 98%
Packaging5G
Price$410
Updated2021-12-16
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ManufacturerAccelPharmtech
Product numberXD2562
Product description4-Carboxylbenzocyclobutene 98%
Packaging1G
Price$180
Updated2021-12-16
Buy

ManufacturerACHEMBLOCK
Product numberX197811
Product descriptionBicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97.00%
Packaging1G
Price$145
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberX197811
Product descriptionBicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97.00%
Packaging5G
Price$435
Updated2026-05-27
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ManufacturerACHEMBLOCK
Product numberX197811
Product descriptionBicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97.00%
Packaging25G
Price$1740
Updated2026-05-27
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ManufacturerActivate Scientific
Product numberAS46812
Product descriptionBicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%
Packaging5g
Price$786
Updated2026-06-04
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ManufacturerActivate Scientific
Product numberAS46812
Product descriptionBicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%
Packaging1g
Price$230
Updated2026-06-04
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ManufacturerAHH
Product numberMB-18150
Product description4-CARBOXYLBENZOCYCLOBUTENE 97%
Packaging10g
Price$2650
Updated2021-12-16
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ManufacturerAHH
Product numberMB-18150
Product description4-CARBOXYL BENZOCYCLOBUTENE 97%
Packaging10g
Price$2650
Updated2026-05-26
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ManufacturerAK Scientific
Product numberL676
Product description4-Carboxylbenzocyclobutene
Packaging5g
Price$835
Updated2021-12-16
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA00IEKJ	Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 95%	500mg	$100	2026-05-29	Buy
aablocks	AA00IEKJ	Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%	1g	$110	2026-05-29	Buy
aablocks	AA00IEKJ	Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%	5g	$394	2026-05-29	Buy
aablocks	AA00IEKJ	Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%	250mg	$51	2026-05-29	Buy
aablocks	AA00IEKJ	Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%	100mg	$34	2026-05-29	Buy
AccelPharmtech	XD2562	4-Carboxylbenzocyclobutene 98%	10G	$680	2021-12-16	Buy
AccelPharmtech	XD2562	4-Carboxylbenzocyclobutene 98%	5G	$410	2021-12-16	Buy
AccelPharmtech	XD2562	4-Carboxylbenzocyclobutene 98%	1G	$180	2021-12-16	Buy
ACHEMBLOCK	X197811	Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97.00%	1G	$145	2026-05-27	Buy
ACHEMBLOCK	X197811	Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97.00%	5G	$435	2026-05-27	Buy
ACHEMBLOCK	X197811	Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97.00%	25G	$1740	2026-05-27	Buy
Activate Scientific	AS46812	Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%	5g	$786	2026-06-04	Buy
Activate Scientific	AS46812	Bicyclo[4.2.0]octa-1,3,5-triene-3-carboxylic acid 97%	1g	$230	2026-06-04	Buy
AHH	MB-18150	4-CARBOXYLBENZOCYCLOBUTENE 97%	10g	$2650	2021-12-16	Buy
AHH	MB-18150	4-CARBOXYL BENZOCYCLOBUTENE 97%	10g	$2650	2026-05-26	Buy
AK Scientific	L676	4-Carboxylbenzocyclobutene	5g	$835	2021-12-16	Buy

Next Last

Properties

Melting point :139-140 °C
Boiling point :306.1±31.0 °C(Predicted)
Density :1.307±0.06 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
pka :4.44±0.20(Predicted)
Appearance :White to off-white Solid
InChI :InChI=1S/C9H8O2/c10-9(11)8-4-2-6-1-3-7(6)5-8/h2,4-5H,1,3H2,(H,10,11)
InChIKey :LOOOVFMUCRDVNN-UHFFFAOYSA-N
SMILES :C12C(CC1)=CC=C(C(O)=O)C=2

Safety Information

Symbol(GHS):

Signal word:

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	Pictogram	P-Codes

Precautionary statements:

Description

4-Carboxylbenzocyclobutene is a white crystalline solid that can be used as an intermediate in pharmaceutical production and is crucial for the synthesis of various advanced organic materials and active pharmaceutical ingredients.

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Fumaric acid 3-SULFOLENE Maleic acid Cyclohexanecarboxylic acid Difenoconazole Bicyclo[4.2.0]octa-1,3,5-triene 86393-33-1 1-BUTENE Maleic anhydride 4-Vinylbenzocyclobutene 4-Bromobenzocyclobutene 4-[2-(Triethoxysilyl)vinyl]benzocyclobutene 5-Norbornene-2-carbonitrile 4-Aminobenzocyclobutene Bicyclo[3.1.0]hexan-3-ol bicyclo[3.2.1]octane-2,4-dione 95-17-0 824-62-4 1719-83-1

Suppliers and manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

$3.00
4-Carboxylbenzocyclobutene CAS:875-94-5

Benzolyte BCB Technology Co., Ltd

4-Carboxylbenzocyclobutene CAS:875-94-5

Henan Fengda Chemical Co., Ltd

$1.00
4-Carboxylbenzocyclobutene CAS:875-94-5

career henan chemical co

$7.00
4-Carboxylbenzocyclobutene CAS: 875-94-5

Capot Chemical Co.,Ltd.

Shanghai Daken Advanced Materials Co.,Ltd

Antai Fine Chemical Technology Co.,Limited

SIMAGCHEM CORP

Shanghai UCHEM Inc.

Shaanxi Dideu Medichem Co. Ltd

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4-Carboxylbenzocyclobutene

Properties

Safety Information

Description

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