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Methyl 5-methylisoxazole-3-carboxylate

CAS No.
19788-35-3
Chemical Name:
Methyl 5-methylisoxazole-3-carboxylate
Synonyms
Methyl 5-Methyl-1,2-oxazole-3-carboxylate;BUTTPARK 48\06-49;Isocarboxazid Impurity 1;Leflunomide Related Compound;METHYL 5-5ETHYLISOXAZOLE-3-CARBOXYLATE;METHYL 5-METHYLISOXAZOLE-3-CARBOXYLATE;METHYL 5-METHYL-3-ISOXAZOLECARBOXYLATE;METHYL 5-METHYLISOXAZOLYL-3-CARBOXYLATE;Methyl 5-methylisoxazole-3-carboxylate,98%;Methyl 5-methylisoxazole-3-carboxylate-97%
CBNumber:
CB8265597
Molecular Formula:
C6H7NO3
Molecular Weight:
141.12
MDL Number:
MFCD00015895
MOL File:
19788-35-3.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-04-24 14:59:12
Product description Number Pack Size Price
Methyl 5-methyl-3-isoxazolecarboxylate 284670 25g $395
Methyl5-Methyl-3-isoxazolecarboxylate M265565 10g $85
Methyl5-methylisoxazole-3-carboxylate W4193 5g $91
Methyl 5-methylisoxazole-3-carboxylate 97% 083479 10g $93
Methyl 5-methylisoxazole-3-carboxylate 97% 083479 1g $47
More product size

Methyl 5-methylisoxazole-3-carboxylate 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)
pka -5.08±0.50(Predicted)
form solid
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)
FDA UNII WKN4V23WWZ
NIST Chemistry Reference 3-Isoxazolecarboxylic acid, 5-methyl-, methyl ester(19788-35-3)
UNSPSC Code 12352200

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  24/25-36-26
WGK Germany  WGK 3
HS Code  29349990
Storage Class 11 - Combustible Solids
NFPA 704
1
0 0

Methyl 5-methylisoxazole-3-carboxylate price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 284670 Methyl 5-methyl-3-isoxazolecarboxylate 19788-35-3 25g $395 2021-12-16 Buy
TRC M265565 Methyl5-Methyl-3-isoxazolecarboxylate 19788-35-3 10g $85 2021-12-16 Buy
AK Scientific W4193 Methyl5-methylisoxazole-3-carboxylate 19788-35-3 5g $91 2021-12-16 Buy
Matrix Scientific 083479 Methyl 5-methylisoxazole-3-carboxylate 97% 19788-35-3 10g $93 2021-12-16 Buy
Matrix Scientific 083479 Methyl 5-methylisoxazole-3-carboxylate 97% 19788-35-3 1g $47 2021-12-16 Buy
Product number Packaging Price Buy
284670 25g $395 Buy
M265565 10g $85 Buy
W4193 5g $91 Buy
083479 10g $93 Buy
083479 1g $47 Buy

Methyl 5-methylisoxazole-3-carboxylate Chemical Properties,Uses,Production

Chemical Properties

white to off-white crystalline powder

Uses

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.

Methyl 5-methylisoxazole-3-carboxylate Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 203)Suppliers
Supplier Tel Email Country ProdList Advantage
Shanghai Daken Advanced Materials Co.,Ltd
+86-2158073036 info@dakenam.com China 13815 58
Chembon Pharmaceutical Co., Ltd.
+86-28-8425-2981 CHINA 722 55
ATK CHEMICAL COMPANY LIMITED
+undefined-21-51877795 ivan@atkchemical.com China 33024 60
Changzhou Ansciep Chemical Co., Ltd.
+86 519 86305871 sales@ansciepchem.com CHINA 4241 58
Jinan Carbotang Biotech Co.,Ltd.
+8615866703830 figo.gao@foxmail.com China 8497 58
Alchem Pharmtech,Inc.
8485655694 sales@alchempharmtech.com United States 63687 58
Wuhan Chemwish Technology Co., Ltd
027-67849912 sales@chemwish.com CHINA 10821 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49977 58
career henan chemical co
+86-0371-86658258 +8613203830695 factory@coreychem.com China 29795 58
Fuxin Pharmaceutical
+86-021-021-50872116 +8613122107989 contact@fuxinpharm.com China 10000 58

View Lastest Price from Methyl 5-methylisoxazole-3-carboxylate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Methyl 5-methylisoxazole-3-carboxylate pictures 2025-04-04 Methyl 5-methylisoxazole-3-carboxylate
19788-35-3
US $0.00-0.00 / KG 1KG 98% 1ton Henan Aochuang Chemical Co.,Ltd.
Methyl 5-methylisoxazole-3-carboxylate pictures 2020-03-08 Methyl 5-methylisoxazole-3-carboxylate
19788-35-3
US $3.00 / KG 1KG 99%min 200kg Career Henan Chemical Co

Methyl 5-methylisoxazole-3-carboxylate Spectrum

5-METHYLISOXAZOLE-3-CARBOXYLIC ACID METHYL ESTER METHYL 5-METHYL-3-ISOXAZOLECARBOXYLATE METHYL 5-METHYLISOXAZOLE-3-CARBOXYLATE BUTTPARK 48\06-49 METHYL 5-METHYLISOXAZOLYL-3-CARBOXYLATE 3-Isoxazolecarboxylicacid,5-methyl-,methylester(6CI,7CI,8CI,9CI) METHYL 5-5ETHYLISOXAZOLE-3-CARBOXYLATE 5-Methyl-3-isoxazolecarboxylic acid methyl ester Leflunomide Related Compound Isocarboxazid Impurit Ⅰ:Methyl 5-Methyl-3-isoxazolecarboxylate Methyl 5-methylisoxazole-3-carboxylate,98% Methyl 5-Methyl-1,2-oxazole-3-carboxylate 3-Isoxazolecarboxylic acid, 5-Methyl-, Methyl ester Methyl 5-methyl-1,2-oxazole-3-carboxylate, 3-(Methoxycarbonyl)-5-methylisoxazole Leflunomide Related Compound (Methyl 5-methyl-1,2-oxazole-3-carboxylate) Isocarboxazid Impurity 1 Methyl 5-methylisoxazole-3-carboxylate-97% 19788-35-3 19788-35-8 CARBOXYLICESTER Heterocycles series