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ChemicalBook >> CAS DataBase List >> Methyl 5-methylisoxazole-3-carboxylate

Methyl 5-methylisoxazole-3-carboxylate

Methyl 5-methylisoxazole-3-carboxylate price.
  • $8 - $13333
  • Product name: Methyl 5-methylisoxazole-3-carboxylate
  • CAS: 19788-35-3
  • MF: C6H7NO3
  • MW: 141.12
  • EINECS:243-311-9
  • MDL Number:MFCD00015895
  • Synonyms:3-Isoxazolecarboxylicacid,5-methyl-,methylester(6CI,7CI,8CI,9CI);METHYL 5-5ETHYLISOXAZOLE-3-CARBOXYLATE;5-Methyl-3-isoxazolecarboxylic acid methyl ester;Methyl 5-methylisoxazole-3-carboxylate,98%;3-Isoxazolecarboxylic acid, 5-Methyl-, Methyl ester;Methyl 5-methyl-1,2-oxazole-3-carboxylate, 3-(Methoxycarbonyl)-5-methylisoxazole;5-METHYLISOXAZOLE-3-CARBOXYLIC ACID METHYL ESTER;METHYL 5-METHYL-3-ISOXAZOLECARBOXYLATE
Price44 Properties Safety Information Description
44 prices
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  • aablocks
  • Activate Scientific
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  • American Custom Chemicals Corporation
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  • 10gm:
  • Manufactureraablocks
  • Product numberAA002B24
  • Product descriptionMethyl 5-Methylisoxazole-3-Carboxylate 98%
  • Packaging5g
  • Price$12
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA002B24
  • Product descriptionMethyl 5-Methylisoxazole-3-Carboxylate 98%
  • Packaging1g
  • Price$8
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA002B24
  • Product descriptionMethyl 5-Methylisoxazole-3-Carboxylate 98%
  • Packaging25g
  • Price$36
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA002B24
  • Product descriptionMethyl 5-Methylisoxazole-3-Carboxylate 97%
  • Packaging100g
  • Price$112
  • Updated2026-05-28
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  • ManufacturerActivate Scientific
  • Product numberAS35285
  • Product descriptionMethyl 5-methylisoxazole-3-carboxylate 98%
  • Packaging100g
  • Price$189
  • Updated2026-06-04
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  • ManufacturerActivate Scientific
  • Product numberAS35285
  • Product descriptionMethyl 5-methylisoxazole-3-carboxylate 98%
  • Packaging25g
  • Price$65
  • Updated2026-06-04
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  • ManufacturerActivate Scientific
  • Product numberAS35285
  • Product descriptionMethyl 5-methylisoxazole-3-carboxylate 98%
  • Packaging5g
  • Price$32
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberW4193
  • Product descriptionMethyl5-methylisoxazole-3-carboxylate
  • Packaging5g
  • Price$91
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0030736
  • Product descriptionMETHYL 5-METHYLISOXAZOLE-3-CARBOXYLATE 95.00%
  • Packaging1G
  • Price$605.15
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0030736
  • Product descriptionMETHYL 5-METHYLISOXAZOLE-3-CARBOXYLATE 95.00%
  • Packaging2.5G
  • Price$769.05
  • Updated2021-12-16
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  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0030736
  • Product descriptionMETHYL 5-METHYLISOXAZOLE-3-CARBOXYLATE 95.00%
  • Packaging5G
  • Price$859.9
  • Updated2021-12-16
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  • ManufacturerApolloscientific
  • Product numberOR23145
  • Product descriptionMethyl 5-methylisoxazole-3-carboxylate ≥95%
  • Packaging25g
  • Price$102
  • Updated2026-06-04
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  • ManufacturerApolloscientific
  • Product numberOR23145
  • Product descriptionMethyl 5-methylisoxazole-3-carboxylate ≥95%
  • Packaging100g
  • Price$225
  • Updated2026-06-04
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  • ManufacturerApolloscientific
  • Product numberOR23145
  • Product descriptionMethyl 5-methylisoxazole-3-carboxylate ≥95%
  • Packaging5g
  • Price$41
  • Updated2026-06-04
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  • ManufacturerAtlantic Research Chemicals
  • Product numberES00706
  • Product descriptionMethyl 5-Methylisoxazole-3-carboxylate 95
  • Packaging10g
  • Price$28.57
  • Updated2026-05-23
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  • ManufacturerAtlantic Research Chemicals
  • Product numberES00706
  • Product descriptionMethyl5-Methylisoxazole-3-carboxylate 95%
  • Packaging10gm:
  • Price$31.81
  • Updated2021-12-16
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Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA002B24 Methyl 5-Methylisoxazole-3-Carboxylate 98% 5g $12 2026-05-28 Buy
aablocks AA002B24 Methyl 5-Methylisoxazole-3-Carboxylate 98% 1g $8 2026-05-28 Buy
aablocks AA002B24 Methyl 5-Methylisoxazole-3-Carboxylate 98% 25g $36 2026-05-28 Buy
aablocks AA002B24 Methyl 5-Methylisoxazole-3-Carboxylate 97% 100g $112 2026-05-28 Buy
Activate Scientific AS35285 Methyl 5-methylisoxazole-3-carboxylate 98% 100g $189 2026-06-04 Buy
Activate Scientific AS35285 Methyl 5-methylisoxazole-3-carboxylate 98% 25g $65 2026-06-04 Buy
Activate Scientific AS35285 Methyl 5-methylisoxazole-3-carboxylate 98% 5g $32 2026-06-04 Buy
AK Scientific W4193 Methyl5-methylisoxazole-3-carboxylate 5g $91 2021-12-16 Buy
American Custom Chemicals Corporation CHM0030736 METHYL 5-METHYLISOXAZOLE-3-CARBOXYLATE 95.00% 1G $605.15 2021-12-16 Buy
American Custom Chemicals Corporation CHM0030736 METHYL 5-METHYLISOXAZOLE-3-CARBOXYLATE 95.00% 2.5G $769.05 2021-12-16 Buy
American Custom Chemicals Corporation CHM0030736 METHYL 5-METHYLISOXAZOLE-3-CARBOXYLATE 95.00% 5G $859.9 2021-12-16 Buy
Apolloscientific OR23145 Methyl 5-methylisoxazole-3-carboxylate ≥95% 25g $102 2026-06-04 Buy
Apolloscientific OR23145 Methyl 5-methylisoxazole-3-carboxylate ≥95% 100g $225 2026-06-04 Buy
Apolloscientific OR23145 Methyl 5-methylisoxazole-3-carboxylate ≥95% 5g $41 2026-06-04 Buy
Atlantic Research Chemicals ES00706 Methyl 5-Methylisoxazole-3-carboxylate 95 10g $28.57 2026-05-23 Buy
Atlantic Research Chemicals ES00706 Methyl5-Methylisoxazole-3-carboxylate 95% 10gm: $31.81 2021-12-16 Buy
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Properties

Melting point :90-92 °C
Boiling point :125°C 11mm
Density :1.179±0.06 g/cm3(Predicted)
Flash point :125°C/11mm
storage temp. :2-8°C
solubility :Chloroform (Slightly), Methanol (Slightly)
form :solid
pka :-5.08±0.50(Predicted)
color :White to off-white
BRN :115704
InChI :InChI=1S/C6H7NO3/c1-4-3-5(7-10-4)6(8)9-2/h3H,1-2H3
InChIKey :MVHHQOCEOUNTID-UHFFFAOYSA-N
SMILES :O1C(C)=CC(C(OC)=O)=N1
CAS DataBase Reference :19788-35-3(CAS DataBase Reference)
NIST Chemistry Reference :3-Isoxazolecarboxylic acid, 5-methyl-, methyl ester(19788-35-3)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
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
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.

Description

Methyl 5-Methyl-3-isoxazolecarboxylate is a related compound of Leflunomide (L322750), an antirheumatic compound used to treat rheumatoid arthritis and psoriatic arthritis. Leflunomide also inhibits dihydroorotate dehydrogenase.

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Suppliers and manufacturers

Nanjing Puxin Pharmaceutical Technology Co., Ltd shanghai huiyu J & K SCIENTIFIC LTD. INTATRADE GmbH Alfa Aesar Energy Chemical Wuhan Chemwish Technology Co., Ltd Shanghai Sinch Parmaceuticals Tech. Co. Ltd. Changzhou Huanling Chemical Co., Ltd. Pure Chemistry Scientific Inc.