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

Product Name
4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID
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-oxobenzofuran-3-caroxylic acid;4,5,6,7-tetrahydro-4-oxo-3-benzofurancarboxylicacid;4-OXO-4,5,6,7-TETRAHYDROCOUMARONE-3-CARBOXYLIC ACID;4-oxo-6,7-dihydro-5H-1-benzofuran-3-carboxylic acid;4,5,6,7-Tetrahydro-4-oxobenzofuran-3-carboxylic acid;4-OXO-4,5,6,7-TETRAHYDROBENZOFURAN-3-CARBOXYLIC ACID
CBNumber
CB0752330
Molecular Formula
C9H8O4
Formula Weight
180.16
MOL File
56671-28-4.mol
More
Less

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

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
More
Less

Safety

Hazard Codes 
C
Risk Statements 
36/37/38
Safety Statements 
26-36/37/39
Hazard Note 
Corrosive
HazardClass 
IRRITANT
HS Code 
2932990090
More
Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

H318Causes serious eye damage

Precautionary statements

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

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

P310Immediately call a POISON CENTER or doctor/physician.

More
Less

N-Bromosuccinimide Price

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

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

More
Less

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

Belgium 1 Canada 1 China 43 Germany 4 India 1 Switzerland 1 United Kingdom 5 United States 8 Global 64
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
94657
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
021-61259108 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
Wuhan Chemwish Technology Co., Ltd
Tel
86-027-67849912
Fax
86-027-87531808
Email
sales@chemwish.com
Country
China
ProdList
35896
Advantage
56
T&W GROUP
Tel
021-61551611 13296011611
Fax
＋86 21-50676805
Email
contact@trustwe.com
Country
China
ProdList
9895
Advantage
58
Thermo Fisher Scientific
Tel
800-810-5118
Fax
+86-10-84193589
Email
cnchemical@thermofisher.com
Country
China
ProdList
17770
Advantage
75
9ding chemical ( Shanghai) Limited
Tel
4009209199
Fax
86-021-52271987
Email
sales@9dingchem.com
Country
China
ProdList
22514
Advantage
55
Modachem Shanghai Co., Ltd
Tel
+86 (0)21 51320687 51371369 1744605818
Fax
+86 (0)21 51371369
Country
China
ProdList
1578
Advantage
58
Hunan HuaTeng Pharmaceutical Co., Ltd.,
Tel
400-8592883 15367835770
Fax
0731-82251112
Email
viola@huatengsci.com
Country
China
ProdList
5875
Advantage
58
Shanghai ChuangYan Chemical Technology Co., Ltd.
Tel
021-11111111 11111111111
Fax
qq:546919421
Email
546919421@qq.com
Country
China
ProdList
3181
Advantage
55
Sigma-Aldrich
Tel
021-61415566 800-8193336
Email
orderCN@merckgroup.com
Country
China
ProdList
51456
Advantage
80
Amadis Chemical Company Limited
Tel
571-89925085
Fax
0086-571-89925065
Email
sales@amadischem.com
Country
China
ProdList
131957
Advantage
58
Suzhou Ruichi Pharmaceutical Technology Co., Ltd.
Tel
0512-50152853
Fax
0512-50152853
Email
jjks1111@126.com
Country
China
ProdList
623
Advantage
58
Aikon International Limited
Tel
025-66028182 18112977050
Fax
(3)02557626880
Email
cfzhang@aikonchem.com
Country
China
ProdList
15818
Advantage
58
Shanghai Benso Pharmaceutical Technology Co., Ltd.
Tel
15088289376
Email
248775804@qq.com
Country
China
ProdList
4983
Advantage
58
Nanjing Asfam Pharmaceutical Technology Co., Ltd.
Tel
025-58867862 18751812725
Fax
02558867862
Email
sales@ace-pharm.com
Country
China
ProdList
1994
Advantage
58
Chemwill Asia Co.,Ltd.
Tel
86-21-51086038
Fax
86-21-51861608
Email
chemwill_asia@126.com
Country
CHINA
ProdList
23912
Advantage
58
Chongqing Chemdad Co., Ltd
Tel
+86-023-6139-8061 +86-86-13650506873
Email
sales@chemdad.com
Country
China
ProdList
39894
Advantage
58
Changzhou Yinghao Technology Development Co., Ltd
Tel
15151934985
Email
sales@yingsapharm.com
Country
China
ProdList
4423
Advantage
58
Zhejiang zetian fine chemical co. LTD
Tel
0571-87322520 18957127338
Email
June@zetchem.com
Country
China
ProdList
397
Advantage
58
CONIER CHEM AND PHARMA LIMITED
Tel
+8618523575427
Email
sales@conier.com
Country
China
ProdList
49374
Advantage
58
Taizhou Nanfeng Pharmaceutical Research Institute
Tel
18616377689
Email
nanfengdrug@163.com
Country
China
ProdList
20565
Advantage
58
Wuhan Dingxintong Pharmaceutical Co. , Ltd.
Tel
027-027-52344656 15871722230
Fax
2796190295
Email
15871722230@163.com
Country
China
ProdList
4855
Advantage
58
Zhengzhou Alpha Chemical Co. LTD
Tel
0371-0371-53732842 13383863444
Fax
QQ：3002612166
Email
3002612166@qq.com
Country
China
ProdList
10042
Advantage
58
Energy Chemical
Tel
021-58432009 400-005-6266
Fax
021-58436166
Email
marketing@energy-chemical.com
Country
China
ProdList
44918
Advantage
58
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Tel
021-51816796-820 13611835272
Fax
021-5161 3951
Email
sales2@sunwaypharm.com
Country
China
ProdList
44458
Advantage
58
Shanghai Haohong Pharmaceutical Co., Ltd.
Tel
400-8210725 4008210725
Email
malulu@leyan.com
Country
China
ProdList
40037
Advantage
58
Beijing Stronger Science Co., Ltd.
Tel
0531-88924771 15614660963
Email
elsa.hang@strongerscience.com
Country
China
ProdList
10623
Advantage
58
Suzhou rich Medicine Technical Co;Ltd
Tel
15221533763
Email
suzhourich@163.com
Country
China
ProdList
992
Advantage
58
Bide Pharmatech Ltd.
Tel
400-1647117 13681763483
Email
product02@bidepharm.com
Country
China
ProdList
62163
Advantage
58
Bide Pharmatech Ltd.
Tel
400-6005915
Email
sales@picasso-e.com
Country
China
ProdList
39653
Advantage
58
Wuhan HSN Pharmaresearch CO., LTD.
Tel
027-63499089 18086100502
Fax
027-86589137
Email
linwell@126.com
Country
China
ProdList
208
Advantage
50
Beijing Solarbio Science & Tecnology Co., Ltd.
Tel
010-50973130 17801761073
Email
Gsiyu@solarbio.com
Country
China
ProdList
50464
Advantage
58
Shanghai Jieshikai Biotechnology Co. , Ltd.
Tel
021-57520305 15221441005
Email
lihua@jskchem.com
Country
China
ProdList
49234
Advantage
58
Shanghai Jiahua Herong Biotechnology Co., Ltd
Tel
13296077563 13296077563
Email
hr@bettersyn.com
Country
China
ProdList
9932
Advantage
58
Nanjing Bic Biotechnology Co., Ltd
Tel
025-58906079 17352406906
Email
sales@bicbiotech.com
Country
China
ProdList
7607
Advantage
58
Shanghai Zunlijia Life Technology Co., Ltd
Tel
021-34045219 13195660927
Email
huji@zunlijia.com
Country
China
ProdList
10028
Advantage
58
Zhejiang ZETian Fine Chemicals Co. LTD
Tel
+8618957127338
Email
stella@zetchem.com
Country
China
ProdList
2136
Advantage
58
career henan chemical co
Tel
+86-0371-86658258 +8613203830695
Email
sales@coreychem.com
Country
China
ProdList
29884
Advantage
58
SHANGHAI KEAN TECHNOLOGY CO., LTD.
Tel
+8613817748580
Fax
021-50175322
Email
cooperation@kean-chem.com
Country
China
ProdList
40066
Advantage
58
Henan Fengda Chemical Co., Ltd
Tel
+86-371-86557731 +86-13613820652
Fax
86-0371-86557731
Email
info@fdachem.com
Country
China
ProdList
20287
Advantage
58
Nanjing Bicbiotechnology Co., Ltd
Tel
+86-2552131256 +86-18251840740
Email
sales@bicbiotech.com
Country
China
ProdList
5994
Advantage
58
Atomax Chemicals Co., Ltd
Tel
--
Fax
--
Email
info@atomaxchem.com
Country
China
ProdList
6489
Advantage
43
More
Less

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

Career Henan Chemical Co
Product
4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACID 56671-28-4
Price
US $1.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
200KG
Release date
2018-08-15

56671-28-4, 4-OXO-4,5,6,7-TETRAHYDROBENZO[B]FURAN-3-CARBOXYLIC ACIDRelated Search:

2-methyl-4-oxo-4,5,6,7-tetrahydro-1-benzofuran-3-carboxylic acid 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

  • 4,5,6,7-tetrahydro-4-oxo-3-benzofurancarboxylicacid
  • 4,5,6,7-Tetrahydro-4-oxobenzofuran-3-caroxylic acid
  • 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-oxo-6,7-dihydro-5H-1-benzofuran-3-carboxylic acid
  • 56671-28-4