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ChemicalBook >> CAS DataBase List >>2,1-Benzisoxazole-3-carboxylic acid

2,1-Benzisoxazole-3-carboxylic acid

2,1-Benzisoxazole-3-carboxylic acid Structure
2,1-Benzisoxazole-3-carboxylic acid structure
CAS No.
642-91-1
Chemical Name:
2,1-Benzisoxazole-3-carboxylic acid
Synonyms
Benzo[c]isoxazole-3-carboxylic acid;AKOS BC-0831;Anthroxanic acid;3-Carboxy-2,1-benzisoxazole;2,1-benzoxazole-3-carboxylicaci;2,1-benzoxazole-3-carboxylic acid;2,1-Benzisoxazole-3-carboxylic acid;2,1-Benzisoxazole-3-carboxylicacid97%;2,1-Benzisoxazole-3-carboxylicacid(7CI,8CI,9CI)
CBNumber:
CB1108512
Molecular Formula:
C8H5NO3
Molecular Weight:
163.13
MDL Number:
MFCD02180526
MOL File:
642-91-1.mol
MSDS File:
SDS
Last updated:2026-09-12 18:48:34
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2,1-Benzisoxazole-3-carboxylic acid Properties

Melting point 185 °C
Boiling point 387.3±15.0 °C(Predicted)
Density 1.455±0.06 g/cm3(Predicted)
storage temp. 2-8°C
pka 2.25±0.10(Predicted)
Appearance Brown to black Solid
CAS DataBase Reference 642-91-1
FDA UNII OF3RAC7IV3

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
Hazard Codes  Xi,Xn
Risk Statements  36/37/38-22
Safety Statements  26-36/37/39
Hazard Note  Irritant
HS Code  2934999090

2,1-Benzisoxazole-3-carboxylic acid price More Price(36)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Biosynth AAA64291 2,1-benzisoxazole-3-carboxylic acid 642-91-1 1g $387.5 2026-06-04 Buy
Biosynth AAA64291 2,1-benzisoxazole-3-carboxylic acid 642-91-1 10g $1500 2026-06-04 Buy
Apolloscientific OR8019 2,1-Benzisoxazole-3-carboxylic acid 96% 642-91-1 100mg $55 2026-06-04 Buy
Apolloscientific OR8019 2,1-Benzisoxazole-3-carboxylic acid 96% 642-91-1 1g $230 2026-06-04 Buy
Apolloscientific OR8019 2,1-Benzisoxazole-3-carboxylic acid 96% 642-91-1 5g $690 2026-06-04 Buy
Product number Packaging Price Buy
AAA64291 1g $387.5 Buy
AAA64291 10g $1500 Buy
OR8019 100mg $55 Buy
OR8019 1g $230 Buy
OR8019 5g $690 Buy

2,1-Benzisoxazole-3-carboxylic acid Preparation Products And Raw materials

Raw materials

Preparation Products

2,1-Benzisoxazole-3-carboxylic acid Suppliers

Global Suppliers ( 66)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Jinan Trio PharmaTech Co., Ltd. 0531-88811783 sales@trio-pharmatech.com China 1856 62
Thermo Fisher Scientific 800-810-5118 cnchemical@thermofisher.com China 17752 75
9ding chemical ( Shanghai) Limited 4009209199 sales@9dingchem.com China 22497 55
Shanghai YuanYe Biotechnology Co., Ltd. 15026964105 2881489226@qq.com China 89667 60
parabiochem 025-83453382-8005 sale@parabiochem.com China 9577 55
BioPharmaMatrix,Inc. 0510-86010668 13395169561; sales@biopharmamatrix.com China 4977 55
Amadis Chemical Company Limited 571-89925085 sales@amadischem.com China 131885 58
Shanghai Pingguo Pharmaceutical Co., Ltd. 021-20432229 2412110556@qq.com China 6016 55
Shanghai Chemart Chemical Technology Co., Ltd. 021-021-50400622 15618790390 info@chemart.cn China 236 58
Supplier Advantage
J & K SCIENTIFIC LTD. 76
Jinan Trio PharmaTech Co., Ltd. 62
Thermo Fisher Scientific 75
9ding chemical ( Shanghai) Limited 55
Shanghai YuanYe Biotechnology Co., Ltd. 60
parabiochem 55
BioPharmaMatrix,Inc. 55
Amadis Chemical Company Limited 58
Shanghai Pingguo Pharmaceutical Co., Ltd. 55
Shanghai Chemart Chemical Technology Co., Ltd. 58

View Latest Price from 2,1-Benzisoxazole-3-carboxylic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2,1-BENZISOXAZOLE-3-CARBOXYLIC ACID pictures 2020-01-03 2,1-BENZISOXAZOLE-3-CARBOXYLIC ACID
642-91-1
 $6.60 1KG 97%-99% 1kg -1000kg Career Henan Chemical Co

2,1-Benzisoxazole-3-carboxylic acid Spectrum

2,1-BENZISOXAZOLE-3-CARBOXYLIC ACID(642-91-1)1HNMR

642-91-1 (2,1-Benzisoxazole-3-carboxylic acid) Related Search:

5-Bromo-1,2-benzisoxazole-3-carboxylic acid ethyl ester 2,1-Benzisoxazole-3-carboxylic acid, 4,5,6,7-tetrahydro- Ethyl 6-aminobenzo[d]isoxazole-3-carboxylate 2,1-Benzisoxazole-3-carboxylic acid 1,2-Benzisoxazole-3-carboxylic acid, 6-nitro-
8-Chloro-3-(2-fluorophenyl)-5,6-dihydrofuro[3,2-f]-1,2-benzisoxazole-6-carboxylic acid potassium salt 4,5,6,7-tetrahydro-2,1-benzisoxazole-3-carboxylic acid AA 193 Methyl 6-nitro-1,2-benzisoxazole-3-carboxylate 1,2-Benzisoxazole-3-carboxylic acid ethyl ester
1,2-Benzisoxazole-3-carboxylic acid 5-Methyl-4,5,6,7-tetrahydro-benzo[d]isoxazole-3-carboxylic acid 4,5,6,7-Tetrahydro-benzo[d]isoxazole-3-carboxylic acid 4-Chloro-7,8-dihydro-3-(2-fluorophenyl)furo[2,3-g][1,2]benzisoxazole-7-carboxylic acid 8-Chloro-5,6-dihydro-3-phenylfuro[3,2-f]-1,2-benzisoxazole-6-carboxylic acid
5-Chloro-7,8-dihydro-3-(2-methylphenyl)furo[2,3-g][1,2]benzisoxazole-7-carboxylic acid 5-Chloro-7,8-dihydro-3-(4-hydroxyphenyl)furo[2,3-g][1,2]benzisoxazole-7-carboxylic acid 5-Chloro-7,8-dihydro-3-(3-fluorophenyl)furo[2,3-g][1,2]benzisoxazole-7-carboxylic acid

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Anthroxanic acid 3-Carboxy-2,1-benzisoxazole 2,1-Benzisoxazole-3-carboxylicacid97% 2,1-benzoxazole-3-carboxylic acid AKOS BC-0831 2,1-Benzisoxazole-3-carboxylicacid(7CI,8CI,9CI) 2,1-benzoxazole-3-carboxylicaci Benzo[c]isoxazole-3-carboxylic acid 2,1-Benzisoxazole-3-carboxylic acid 642-91-1 OXAZOLE