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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 price.
  • $14 - $2498
  • Product name: 2,1-Benzisoxazole-3-carboxylic acid
  • CAS: 642-91-1
  • MF: C8H5NO3
  • MW: 163.13
  • EINECS:
  • MDL Number:MFCD02180526
  • Synonyms: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
Price36 Properties Safety Information Description
36 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • AK Scientific
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Arctom
  • Atlantic Research Chemicals
  • Biosynth
  • Chemenu
  • Crysdot
  • Matrix Scientific
  • SynQuest Laboratories
  • TRC
Package
  • 50mg
  • 100mg
  • 250.00mg
  • 250mg
  • 1.00g
  • 1g
  • 5.00g
  • 5g
  • 10g
  • 25g
  • 1gm:
  • Manufactureraablocks
  • Product numberAA0039W1
  • Product description2,1-benzoxazole-3-carboxylic acid 95%
  • Packaging100mg
  • Price$16
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0039W1
  • Product description2,1-benzoxazole-3-carboxylic acid 95%
  • Packaging250mg
  • Price$36
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0039W1
  • Product description2,1-benzoxazole-3-carboxylic acid ≥95%
  • Packaging50mg
  • Price$14
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0039W1
  • Product description2,1-benzoxazole-3-carboxylic acid 95%
  • Packaging1g
  • Price$95
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0039W1
  • Product description2,1-benzoxazole-3-carboxylic acid ≥95%
  • Packaging5g
  • Price$468
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0039W1
  • Product description2,1-benzoxazole-3-carboxylic acid 98%
  • Packaging10g
  • Price$840
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA0039W1
  • Product description2,1-benzoxazole-3-carboxylic acid 98%
  • Packaging25g
  • Price$1675
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW158020
  • Product descriptionBenzo[c]isoxazole-3-carboxylic acid 97%
  • Packaging25G
  • Price$2360
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW158020
  • Product descriptionBenzo[c]isoxazole-3-carboxylic acid 97%
  • Packaging5G
  • Price$590
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberW158020
  • Product descriptionBenzo[c]isoxazole-3-carboxylic acid 97%
  • Packaging1G
  • Price$135
  • Updated2026-05-27
  • Buy
  • ManufacturerAK Scientific
  • Product number9847AB
  • Product descriptionBenzo[c]isoxazole-3-carboxylicacid
  • Packaging5g
  • Price$651
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0019157
  • Product description2,1-BENZISOXAZOLE-3-CARBOXYLIC ACID 95.00%
  • Packaging100MG
  • Price$599.33
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0019157
  • Product description2,1-BENZISOXAZOLE-3-CARBOXYLIC ACID 95.00%
  • Packaging1G
  • Price$759.41
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR8019
  • Product description2,1-Benzisoxazole-3-carboxylic acid 96%
  • Packaging100mg
  • Price$55
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR8019
  • Product description2,1-Benzisoxazole-3-carboxylic acid 96%
  • Packaging5g
  • Price$690
  • Updated2026-06-04
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR8019
  • Product description2,1-Benzisoxazole-3-carboxylic acid 96%
  • Packaging1g
  • Price$230
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA0039W1 2,1-benzoxazole-3-carboxylic acid 95% 100mg $16 2026-05-28 Buy
aablocks AA0039W1 2,1-benzoxazole-3-carboxylic acid 95% 250mg $36 2026-05-28 Buy
aablocks AA0039W1 2,1-benzoxazole-3-carboxylic acid ≥95% 50mg $14 2026-05-28 Buy
aablocks AA0039W1 2,1-benzoxazole-3-carboxylic acid 95% 1g $95 2026-05-28 Buy
aablocks AA0039W1 2,1-benzoxazole-3-carboxylic acid ≥95% 5g $468 2026-05-28 Buy
aablocks AA0039W1 2,1-benzoxazole-3-carboxylic acid 98% 10g $840 2026-05-28 Buy
aablocks AA0039W1 2,1-benzoxazole-3-carboxylic acid 98% 25g $1675 2026-05-28 Buy
ACHEMBLOCK W158020 Benzo[c]isoxazole-3-carboxylic acid 97% 25G $2360 2026-05-27 Buy
ACHEMBLOCK W158020 Benzo[c]isoxazole-3-carboxylic acid 97% 5G $590 2026-05-27 Buy
ACHEMBLOCK W158020 Benzo[c]isoxazole-3-carboxylic acid 97% 1G $135 2026-05-27 Buy
AK Scientific 9847AB Benzo[c]isoxazole-3-carboxylicacid 5g $651 2021-12-16 Buy
American Custom Chemicals Corporation CHM0019157 2,1-BENZISOXAZOLE-3-CARBOXYLIC ACID 95.00% 100MG $599.33 2021-12-16 Buy
American Custom Chemicals Corporation CHM0019157 2,1-BENZISOXAZOLE-3-CARBOXYLIC ACID 95.00% 1G $759.41 2021-12-16 Buy
Apolloscientific OR8019 2,1-Benzisoxazole-3-carboxylic acid 96% 100mg $55 2026-06-04 Buy
Apolloscientific OR8019 2,1-Benzisoxazole-3-carboxylic acid 96% 5g $690 2026-06-04 Buy
Apolloscientific OR8019 2,1-Benzisoxazole-3-carboxylic acid 96% 1g $230 2026-06-04 Buy
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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

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

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J & K SCIENTIFIC LTD. Jinan Trio PharmaTech Co., Ltd. Thermo Fisher Scientific 9ding chemical ( Shanghai) Limited Shanghai YuanYe Biotechnology Co., Ltd. parabiochem BioPharmaMatrix,Inc. Amadis Chemical Company Limited Shanghai Pingguo Pharmaceutical Co., Ltd. Shanghai Chemart Chemical Technology Co., Ltd.