ChemicalBook >> CAS DataBase List >>4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID

4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID

4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID structure

CAS No.: 56671-28-4

Chemical Name:: 4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID

Synonyms: AKOS BBS-00000134;BUTTPARK 29\08-32;IFLAB-BB F1901-0074;4 5 6 7-TETRAHYDRO-4-OXOBENZOFURAN-3- &;4,5,6,7-tetrahydro-4-oxo-3-benzofurancarboxylicacid;4-OXO-4,5,6,7-TETRAHYDROCOUMARONE-3-CARBOXYLIC ACID;4,5,6,7-Tetrahydro-4-oxobenzofuran-3-caroxylic acid;4-oxo-6,7-dihydro-5H-1-benzofuran-3-carboxylic acid;4-OXO-4,5,6,7-TETRAHYDROBENZOFURAN-3-CARBOXYLIC ACID;4,5,6,7-Tetrahydro-4-oxobenzofuran-3-carboxylic acid

CBNumber:: CB0752330

Molecular Formula:: C9H8O4

Molecular Weight:: 180.16

MDL Number:: MFCD00052170

MOL File:: 56671-28-4.mol

Last updated:2023-05-04 17:34:40

Request For Quotation

4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID Properties

Melting point	140 °C
Boiling point	383.5±42.0 °C(Predicted)
Density	1.406±0.06 g/cm3(Predicted)
storage temp.	2-8°C
pka	3.74±0.20(Predicted)
CAS DataBase Reference	56671-28-4

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS05
Signal word	Danger
Hazard statements	H314-H318
Precautionary statements	P280-P305+P351+P338-P310
Hazard Codes	C
Risk Statements	36/37/38
Safety Statements	26-36/37/39
Hazard Note	Corrosive
HazardClass	IRRITANT
HS Code	2932990090

4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID price More Price(19)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TRC	O870653	4-Oxo-4,5,6,7-tetrahydro-1-benzofuran-3-carboxylicAcid	56671-28-4	1g	$240	2021-12-16	Buy
SynQuest Laboratories	2H29-1-08	4-Oxo-4,5,6,7-tetrahydrobenzo[b]furan-3-carboxylicacid	56671-28-4	5G	$312	2021-12-16	Buy
Matrix Scientific	046887	4-Oxo-4,5,6,7-tetrahydro-1-benzofuran-3-carboxylic acid >95%	56671-28-4	5g	$346	2021-12-16	Buy
ChemScene	CS-0060763	4-Oxo-4,5,6,7-tetrahydro-1-benzofuran-3-carboxylicacid	56671-28-4	100mg	$63	2021-12-16	Buy
ChemScene	CS-0060763	4-Oxo-4,5,6,7-tetrahydro-1-benzofuran-3-carboxylicacid	56671-28-4	250mg	$105	2021-12-16	Buy

Product number	Packaging	Price	Buy
O870653	1g	$240	Buy
2H29-1-08	5G	$312	Buy
046887	5g	$346	Buy
CS-0060763	100mg	$63	Buy
CS-0060763	250mg	$105	Buy

4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID Chemical Properties,Uses,Production

Chemical Properties

White needle crystals. Melting point 141℃.

Uses

4-Oxo-4,5,6,7-tetrahydrobenzo[b]furan-3-carboxylic acid can be used as an intermediate of Propala.

Definition

ChEBI: 4-oxo-4,5,6,7-tetrahydrobenzo[b]furan-3-carboxylic acid is a member of benzofurans.

Synthesis

The methanol solution of resorcinol and potassium hydroxide is used to react with hydrogen under the action of active nickel to generate potassium 3-ketocyclohex-1-enolate, which is then cyclized with ethyl bromopyruvate under alkaline conditions , and then acidified to obtain ?4-oxo-4,5,6,7-tetrahydrobenzo[b]furan-3-carboxylic acid.

4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID Preparation Products And Raw materials

Raw materials

Methanol solution Ethyl bromopyruvate Resorcinol

Preparation Products

4-HYDROXYBENZOFURAN-3-CARBOXYLIC ACID

4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID Suppliers

Global( 63)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
career henan chemical co	+86-0371-86658258	sales@coreychem.com	China	29914	58
Zhejiang ZETian Fine Chemicals Co. LTD	18957127338	stella@zetchem.com	China	2141	58
Chongqing Chemdad Co., Ltd	+86-023-61398051 +8613650506873	sales@chemdad.com	China	39916	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63711	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	47465	58
Nanjing Bicbiotechnology Co., Ltd	+86-2552131256 +86-18251840740	sales@bicbiotech.com	China	6000	58
Amadis Chemical Company Limited	571-89925085	sales@amadischem.com	China	131981	58
Chemwill Asia Co.,Ltd.	86-21-51086038	chemwill_asia@126.com	CHINA	23931	58
J & K SCIENTIFIC LTD.	010-82848833 400-666-7788	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006608290; 18621169109	market03@meryer.com	China	40241	62

Supplier	Advantage
career henan chemical co	58
Zhejiang ZETian Fine Chemicals Co. LTD	58
Chongqing Chemdad Co., Ltd	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58
Nanjing Bicbiotechnology Co., Ltd	58
Amadis Chemical Company Limited	58
Chemwill Asia Co.,Ltd.	58
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62

View Lastest Price from 4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2019-07-06	4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID 56671-28-4	US $1.00 / KG	1KG	98%	200KG	Career Henan Chemical Co

4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID
56671-28-4
US $1.00 / KG
98%
Career Henan Chemical Co

56671-28-4(4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID)Related Search:

METHYL 4-OXO-4,5,6,7-TETRAHYDRO-1-BENZOFURAN-3-CARBOXYLATE 6,6-DIMETHYL-4-OXO-4,5,6,7-TETRAHYDRO-1-BENZOFURAN-3-CARBOXYLIC ACID ETHYL 2,5,5-TRIMETHYL-7-OXO-3,4,5,6-TETRAHYDRO-3-OXAINDENECARBOXYLATE 4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID 2-methyl-4-oxo-4,5,6,7-tetrahydro-1-benzofuran-3-carboxylic acid

4,5,6,7-tetrahydro-4-oxo-3-benzofurancarboxylicacid 4-OXO-4,5,6,7-TETRAHYDRO-1-BENZOFURAN-3-CARBOXYLIC ACID 4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID 4-OXO-4,5,6,7-TETRAHYDROBENZOFURAN-3-CARBOXYLIC ACID 4-OXO-4,5,6,7-TETRAHYDROCOUMARONE-3-CARBOXYLIC ACID AKOS BBS-00000134 IFLAB-BB F1901-0074 BUTTPARK 29\08-32 4 5 6 7-TETRAHYDRO-4-OXOBENZOFURAN-3- & 4,5,6,7-Tetrahydro-4-oxobenzofuran-3-carboxylic acid 3-Benzofurancarboxylicacid, 4,5,6,7-tetrahydro-4-oxo- 4-Oxo-4,5,6,7-tetrahydro-1-benzofuran-3-carboxylic acid, 3-Carboxy-4-oxo-4,5,6,7-tetrahydrobenzo[b]furan 4,5,6,7-Tetrahydro-4-oxobenzofuran-3-caroxylic acid 4-oxo-6,7-dihydro-5H-1-benzofuran-3-carboxylic acid 56671-28-4