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5-Methylisoxazole-4-carboxylic acid

BGC Id:730932267039
CAS No:42831-50-5
Synonyms:timtec-bb sbb005909 ; 5-methylisoxazole-4-carboxylic acid ; leflunomide impurity d ; 5-methyl-4-isoxasolecarboxylic acid ; 5-methyl-isoxazol-4-carboxylic acid ; 5-methylisoxazole-4-carboxylic ; methylisoxazole-4-carboxylic ; 4-isoxazolecarboxylic acid,5-methyl ; 5-methyl-4-isoxazolecarboxylic acid ; leflunomide ep impurity d
Molecular Formula:C5H5NO3
Molecular Weight:127.1
EINECS:
Structural Formula

Verified providers in 2025

The following 8 notable providers have been checked and can be recommended.
Chemical-Suppliers
BLD Pharmatech
Smile code: O=C(C1=C(C)ON=C1)O MDL Number: MFCD00955655 Purity : 97% Available in stock: 1310 g

The last intensive check and update was carried out on 2025/05/30.

Identify

Synonyms:
timtec-bb sbb005909 ; 5-methylisoxazole-4-carboxylic acid ; leflunomide impurity d ; 5-methyl-4-isoxasolecarboxylic acid ; 5-methyl-isoxazol-4-carboxylic acid ; 5-methylisoxazole-4-carboxylic ; methylisoxazole-4-carboxylic ; 4-isoxazolecarboxylic acid,5-methyl ; 5-methyl-4-isoxazolecarboxylic acid ; leflunomide ep impurity d
CAS:
42831-50-5
EINECS:
Molecular Formula:
C5H5NO3
MDL:
MFCD00955655
SMILES:
[I-].CCC[N+]1=CN(C)C=C1

Properties

Molecular Weight:
127.1 g·mol−1
Melting point:
144-148 °C(lit.)
Solubility:
Acetone, Acetonitrile, DMSO, Water, Methanol
download Download Molfile

Suppliers

V&V Pharma Industries

Manufacturer of bulk drug intermediate and speciality chemical biochemical, diagnostic reagents and rare to find chemicals, India
國家: India   打電話: +91-9967535371  

Simagchem Corporation

公司類型: Bulk chemical producer
國家: P.R.China
打電話: +86 592 2680 277
傳真: +86 592 2680 237
Your partner in China for chemicals business. 我們是賣方trans,trans-4-(4-Fluorophenyl)-4'-propylbicyclohexyl。 Expertize in supplies and sources of fine, specialty, pharmaceutical chemicals and intermediates. WE offer high quality products and JIT services with instant market intelligence in China, custom synthesis in our 3 production sites, famous principals as Brenntag, Univar,S inopec, Grace, Petrobras, DKSH, Formitex, Evonik, Merck, TCI, Sanofi, Chemo with creditable reputation and business cooperation.

Hangzhou Verychem Science & Technology Co., Ltd.

Hangzhou Verychem Science And Technology Co. Ltd. is a technology based company located in the city of Hangzhou, combined with and technologically directed by Zhejiang Industry University and Shengyang Pharmaceutical College. Though Verychem is a young company, but it's a booming company with dynamic vigor and prosperous prospect. 還擔任Boc-Sec(Mob)-OH由Hangzhou Verychem Science & Technology Co., Ltd.。 Verychem develops and manufactures latest pharmaceuticals, special fine chemicals and some of the developed projects have been technologically tran ...
公司類型: Producer
國家: P.R.China
打電話: +86-571-8816 2785
傳真: +86-571-81906939

Hangzhou Trylead Chemical Technology Co., Ltd.

公司類型: Producer
Trylead Chemical Technology Co., Ltd, A global organics provider specializes in chemical and process development, best known in process optimization and SCALE-UP service. We supply high quality key chemical products and contract services to the pharmaceutical, biotech, fine chemical sectors together with related industries and applications. And we’ve formed solid working relationship with those pharmaceutical and biotech companies, such as Johnson & Johnson, Idenix. Tryle ...
國家: P.R.China   打電話: +86-571-87086220   傳真: +86-571-87012927

Carbone Scientific Co., Ltd.

公司類型: Supplier
國家: U.K.
打電話: +44 (0)203 769 4441 ext 1
傳真: +44 (0)203 769 4441 ext 2
Carbone scientific is located at London, UK. We are mainly engaged in the marketing development, R&D, technical support and service. 我們是賣方bis-(3-Nitrophenyl)disulfide。 Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceutical and biotech companies, research organizations and university labs worldwide. Our online catalogue has already listed over 50 ...

AK Scientific, Inc.

AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. All these products are stocked in multiple, convenient, sizes to fit your specific needs. o-Dichlorobenzene也將會由我們提供。 Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...
公司類型: Supplier
國家: USA
打電話: +1 (510) 429-8835
傳真: +1 (510) 429-8836

BLD Pharmatech Ltd

公司類型: Supplier
Founded in 2014 and headquartered in Shanghai, China, BLD Pharmatech Ltd. with more than 600,000 items, scale up manufacture and custom services is a leading manufacturer and supplier of diversified research chemicals in the industry. (S)-2-Amino-3-hydroxypropanamide hydrochloride也將會由我們提供。 Our considerable stock of a wide range of laboratory chemicals, from heterocycles, boron acids, amino acids, metal catalysts to chiral compounds, is ready for worldwide shipping. The ISO certifications and DUNS registration are our testimonie ...
國家: P.R.China   打電話: +86-21-61629022   傳真: +86-21-50201702

BuGuCh & Partners

公司類型: Producer
國家: Germany
We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

Safety Information

Hazard Classes:
irritant
Hazardous Substances Data:
Non-Regulated Material ¹
Risk Codes:
36/37/38-37/38-36-10 (R)
Safety Codes:
22-26-36/37/39-36-16 (S)
WGK Germany:
3

What other providers are available for CAS 42831-50-5?

In addition to the providers presented here for 5-Methylisoxazole-4-carboxylic acid with the CAS number 42831-50-5, there are other 47 providers with slightly different product names available for this CAS number.

+2 additional providers that we know from the past
Simagchem Corporation | Xiamen Hisunny Chemical Co., Ltd. | H&Z Industry Co.,Ltd | Xingrui Industry Co., Limited | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) | Finetech Industry Limited | Dayang Chem (Hangzhou) Co.,Ltd. | Nantong Xindao Biotech Ltd | Capot Chemical Co., Ltd. | Xiamen Equation Chemical Co.,Ltd | Leap Chem Co., Ltd | Anhui Senrise Technology Co., Ltd. +31 additional providers that we know from the past
+1 additional providers that we know from the past




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