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ChemicalBook >> CAS DataBase List >> Isoxazole

Isoxazole

Isoxazole price.
  • $8 - $7420
  • Product name: Isoxazole
  • CAS: 288-14-2
  • MF: C3H3NO
  • MW: 69.06
  • EINECS:206-018-7
  • MDL Number:MFCD00003149
  • Synonyms:ISOXAZOLE 98+%;1,2-Oxazole;Isoxazole,99%;Different oxazole;Isoxazole 99%;ISOXAZOLE;1-Oxa-2-azacyclopentadiene;Isoxazole, 98.5%
Price59 Properties Safety Information Description
59 prices
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  • aablocks
  • Activate Scientific
  • AHH
  • AK Scientific
  • American Custom Chemicals Corporation
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  • Manufactureraablocks
  • Product numberAA002WGO
  • Product descriptionIsoxazole 98%
  • Packaging5g
  • Price$8
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002WGO
  • Product descriptionIsoxazole 98%
  • Packaging25g
  • Price$23
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002WGO
  • Product descriptionIsoxazole 98%
  • Packaging100g
  • Price$66
  • Updated2026-05-28
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS31230
  • Product descriptionIsoxazole 98%
  • Packaging100g
  • Price$176
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS31230
  • Product descriptionIsoxazole 98%
  • Packaging5g
  • Price$20
  • Updated2026-06-04
  • Buy
  • ManufacturerActivate Scientific
  • Product numberAS31230
  • Product descriptionIsoxazole 98%
  • Packaging25g
  • Price$47
  • Updated2026-06-04
  • Buy
  • ManufacturerAHH
  • Product numberMT-16280
  • Product descriptionIsoxazole 97%
  • Packaging1000g
  • Price$775
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product numberA853
  • Product descriptionIsoxazole 98%(GC)
  • Packaging500g
  • Price$599
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ53181
  • Product descriptionIsoxazole 95%
  • Packaging500g
  • Price$450
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ53181
  • Product descriptionIsoxazole 95%
  • Packaging25g
  • Price$31
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ53181
  • Product descriptionIsoxazole 95%
  • Packaging5g
  • Price$12
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberA853
  • Product descriptionIsoxazole 98%(GC)
  • Packaging5g
  • Price$16
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberA853
  • Product descriptionIsoxazole 98%(GC)
  • Packaging100g
  • Price$141
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberA853
  • Product descriptionIsoxazole 98%(GC)
  • Packaging25g
  • Price$41
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ53181
  • Product descriptionIsoxazole 95%
  • Packaging100g
  • Price$105
  • Updated2026-06-04
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0030221
  • Product descriptionISOXAZOLE 95.00%
  • Packaging5MG
  • Price$550
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002WGO Isoxazole 98% 5g $8 2026-05-28 Buy
aablocks AA002WGO Isoxazole 98% 25g $23 2026-05-28 Buy
aablocks AA002WGO Isoxazole 98% 100g $66 2026-05-28 Buy
Activate Scientific AS31230 Isoxazole 98% 100g $176 2026-06-04 Buy
Activate Scientific AS31230 Isoxazole 98% 5g $20 2026-06-04 Buy
Activate Scientific AS31230 Isoxazole 98% 25g $47 2026-06-04 Buy
AHH MT-16280 Isoxazole 97% 1000g $775 2026-05-26 Buy
AK Scientific A853 Isoxazole 98%(GC) 500g $599 2026-06-04 Buy
AK Scientific J53181 Isoxazole 95% 500g $450 2026-06-04 Buy
AK Scientific J53181 Isoxazole 95% 25g $31 2026-06-04 Buy
AK Scientific J53181 Isoxazole 95% 5g $12 2026-06-04 Buy
AK Scientific A853 Isoxazole 98%(GC) 5g $16 2026-06-04 Buy
AK Scientific A853 Isoxazole 98%(GC) 100g $141 2026-06-04 Buy
AK Scientific A853 Isoxazole 98%(GC) 25g $41 2026-06-04 Buy
AK Scientific J53181 Isoxazole 95% 100g $105 2026-06-04 Buy
American Custom Chemicals Corporation CHM0030221 ISOXAZOLE 95.00% 5MG $550 2021-12-16 Buy
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Properties

Melting point :-67.1°C
Boiling point :93-95 °C(lit.)
Density :1.078 g/mL at 25 °C(lit.)
vapor density :2.4 (vs air)
refractive index :n20/D 1.427(lit.)
Flash point :48 °F
storage temp. :2-8°C
solubility :167g/l
pka :-2.0(at 25℃)
form :clear liquid
color :Colorless to Light yellow
BRN :103773
Henry's Law Constant :4.0×10-1 mol/(m3Pa) at 25℃, Duchowicz et al. (2020)
InChI :1S/C3H3NO/c1-2-4-5-3-1/h1-3H
InChIKey :CTAPFRYPJLPFDF-UHFFFAOYSA-N
SMILES :c1cnoc1
CAS DataBase Reference :288-14-2(CAS DataBase Reference)
NIST Chemistry Reference :Isoxazole(288-14-2)
EPA Substance Registry System :Isoxazole (288-14-2)

Safety Information

Symbol(GHS): Flame (GHS02)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

Description

As an important class of heterocycles, isoxazole is a five membered heterocyclic compound with various pharmacological actions, which is found in some natural products, such as ibotenic acid. It is used in the formation of the basis for a number of drugs, such as the COX-2 inhibitor valdecoxib and anti-inflammatory drugs. Isoxazoles are largely applied in the area of pharmaceuticals and therapeutics, including insecticidal, antibacterial, antibiotic, antitumour, antifungal, antituberculosis, anticancer and ulcerogenic. Besides, it has a great effect on reducing blood glucose, eliminating pain, resisting inflammation, killing harmful bacteria, controlling and reducing the risk of HIV.
The isoxazole ring is an essential pharmacophore in modern drug discovery. Some beta-lactamase-resistant antibiotics contain an isoxazole group, including cloxacillin, dicloxacillin, flucloxacillin, and the isoxazole group is also found in some steroid drug such as danazol.

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Suppliers and manufacturers

Shandong Vantage Specialty Chemicals Biotechnology Co., Ltd. Weifang Siyuan Chemical Co., Ltd. J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. 3B Pharmachem (Wuhan) International Co.,Ltd. Alfa Aesar TCI (Shanghai) Development Co., Ltd. Beijing HwrkChemical Technology Co., Ltd Energy Chemical Wuhan Chemwish Technology Co., Ltd