Leflunomide 3-Isomer

Product Name: Leflunomide 3-Isomer
CAS No.: 61643-23-0
Chemical Name: Leflunomide 3-Isomer
Synonyms: Leflunomide 3-Isomer;Leflunomide Impurity C;LeflunoMide IMp. E (EP);Leflunomide meta-Isomer;LeflunoMide EP IMpurity C;Leflunomide impurities1342;Leflunomide related substance C;Leflunomide USP Related Compound C;5-Methyl-N-[3-(trifluoromethyl)phen;Leflunomide EP Impurity C Leflunomide USP RC C
CBNumber: CB42501444
Molecular Formula: C12H9F3N2O2
Formula Weight: 270.21
MOL File: 61643-23-0.mol

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Leflunomide 3-Isomer Property

Melting point:: 106 - 110℃
Boiling point:: 285.0±40.0 °C(Predicted)
Density: 1.392±0.06 g/cm3(Predicted)
storage temp.: Refrigerator, under inert atmosphere
solubility: Chloroform (Slightly), Methanol (Slightly)
pka: 11.62±0.70(Predicted)
color: White to Off-White
BRN: 1083122
Major Application: pharmaceutical (small molecule)
InChI: 1S/C12H9F3N2O2/c1-7-10(6-16-19-7)11(18)17-9-4-2-3-8(5-9)12(13,14)15/h2-6H,1H3,(H,17,18)
InChIKey: KBFQQKBZIFSAMY-UHFFFAOYSA-N
SMILES: O=C(C1=C(C)ON=C1)NC2=CC=CC(C(F)(F)F)=C2

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Safety

Hazard Codes: Xn
Risk Statements: 22
WGK Germany: WGK 3
HS Code: 2934990002
Storage Class: 11 - Combustible Solids
Hazard Classifications: Acute Tox. 4 Oral

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word: Warning
Hazard statements: H302Harmful if swallowed

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 1357067
Product name: Leflunomide Related Compound C
Purity: United States Pharmacopeia (USP) Reference Standard
Packaging: 10mg
Price: $1200
Updated: 2025/07/31

TRC

Product number: L322765
Product name: Leflunomide3-Isomer
Packaging: 5mg
Price: $160
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: API0017117
Product name: LEFLUNOMIDE-3
Purity: 95.00%
Packaging: 5MG
Price: $497.29
Updated: 2021/12/16

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Leflunomide 3-Isomer Chemical Properties,Usage,Production

Uses

Leflunomide 3-Isomer (Leflunomide EP Impurity C) is a Leflunomide analogue, with potential antiinflammatory and anti-viral activity. Leflunomide (L322750) Impurity E.

Uses

Leflunomide analogue, with potential antiinflammatory and anti-viral activity. Leflunomide (L322750) Impurity E.

Leflunomide 3-Isomer Preparation Products And Raw materials

Raw materials

Preparation Products

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Leflunomide 3-Isomer Suppliers

Canada 1 China 46 India 6 United Kingdom 1 United States 6 Global 60

J & K SCIENTIFIC LTD.

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Chemsky (shanghai) International Co.,Ltd

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Sinopharm Chemical Reagent Co,Ltd.

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Nanjing XiZe Biotechnology CO., Ltd.

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Tonichem Pharmaceutical Technology Co., Ltd.

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Shanghai CR Corporation Limited

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61643-23-0, Leflunomide 3-IsomerRelated Search:

5-DesMethyl-3-Methyl LeflunoMide LeflunoMide EP IMpurity G 2-cyano-N-[4-(trifluoromethyl)phenyl]acetamide 5-Methyl-4-isoxazolecarboxylic acid LeflunoMide EP IMpurity F LeflunoMide EP IMpurity E 4-Aminobenzotrifluoride Leflunomide A77 1726

Leflunomide Related Compound C (10 mg) (N-(3'-Trifluoromethylphenyl)-5-methylisoxazole-4-carboxamide)

LeflunoMide IMp. E (EP)

LeflunoMide EP IMpurity C

5-Methylisoxazole-4-(3-trifluoromethyl)carboxanilide

Leflunomide 3-Isomer

Leflunomide meta-Isomer

5-methyl-N-[3-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide

Leflunomide Impurity 3(Leflunomide EP Impurity C)

Imp. C (EP):5-Methyl-N-[3-(trifluoromethyl)-phenyl]isoxazole-4-carboxamide

Leflunomide Impurity C

5-Methyl-N-[3-(trifluoromethyl)phen

4-Isoxazolecarboxamide, 5-methyl-N-[3-(trifluoromethyl)phenyl]-

Leflunomide related substance C

Leflunomide EP Impurity C (Leflunomide-3-isomer)

Leflunomide impurities1342

Leflunomide EP Impurity CQ: What is Leflunomide EP Impurity C Q: What is the CAS Number of Leflunomide EP Impurity C Q: What is the storage condition of Leflunomide EP Impurity C Q: What are the applications of Leflunomide EP Impurity C

Leflunomide Related Compound C (N-(3''-Trifluoromethylphenyl)-5-methylisoxazole-4-carboxamide) (1357067)

5-Methyl-N-[3-(trifluoromethyl)-phenyl]isoxazole-4-carboxamide

Leflunomide USP Related Compound C

Leflunomide EP Impurity C Leflunomide USP RC C

Leflunomide EP Impurity C/Leflunomide USP RC C/Leflunomide 3-Isomer/Leflunomide meta-Isomer/5-Methyl-N-[3-(trifluoromethyl)phenyl]-4-isoxazolecarboxamide

61643-23-0

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