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1356960

USP

Leflunomide

United States Pharmacopeia (USP) Reference Standard

Synonyme(s) :

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

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About This Item

Formule empirique (notation de Hill):
C12H9F3N2O2
Numéro CAS:
75706-12-6
Poids moléculaire :
270.21
Numéro MDL:
MFCD00867593
Code UNSPSC :
41116107
ID de substance PubChem :
329750235
Nomenclature NACRES :
NA.24

Qualité

pharmaceutical primary standard

Famille d'API

leflunomide

Fabricant/nom de marque

USP

Application(s)

pharmaceutical (small molecule)

Format

neat

Chaîne SMILES 

Cc1oncc1C(=O)Nc2ccc(cc2)C(F)(F)F

InChI

1S/C12H9F3N2O2/c1-7-10(6-16-19-7)11(18)17-9-4-2-8(3-5-9)12(13,14)15/h2-6H,1H3,(H,17,18)

Clé InChI

VHOGYURTWQBHIL-UHFFFAOYSA-N

Informations sur le gène

human ... DHODH(1723)

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Description générale

Leflunomide is a drug with cytotoxic properties. It is generally used as an immunosuppressive agent.

Application

Leflunomide USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.

Remarque sur l'analyse

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Autres remarques

Sales restrictions may apply.

Produit(s) apparenté(s)

Réf. du produit
Description
Tarif

Y0000654

Leflunomide, European Pharmacopoeia (EP) Reference Standard

Y0000674

Leflunomide for peak identification, European Pharmacopoeia (EP) Reference Standard

Y0000487

Leflunomide impurity A, European Pharmacopoeia (EP) Reference Standard

1357045

Leflunomide Related Compound A, United States Pharmacopeia (USP) Reference Standard

1357056

Leflunomide Related Compound B, United States Pharmacopeia (USP) Reference Standard

1357067

Leflunomide Related Compound C, United States Pharmacopeia (USP) Reference Standard

PHR1568

Leflunomide Related Compound A, Pharmaceutical Secondary Standard; Certified Reference Material

BP1233

Leflunomide, British Pharmacopoeia (BP) Reference Standard

PHR2878

Leflunomide Related Compound B, pharmaceutical secondary standard, certified reference material

Pictogrammes

Skull and crossbones
GHS06

Mention d'avertissement

Danger

Mentions de danger

H301,H315,H319,H335

Classification des risques

Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organes cibles

Respiratory system

Code de la classe de stockage

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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Teriflunomide ≥98% (HPLC)

Sigma-Aldrich

SML0936

Teriflunomide

Cefapirin sodium salt United States Pharmacopeia (USP) Reference Standard

USP

1102500

Cefapirin sodium salt

4-(Trifluoromethyl)aniline 99%

Sigma-Aldrich

224936

4-(Trifluoromethyl)aniline

Robert P Baughman et al.
Sarcoidosis, vasculitis, and diffuse lung diseases : official journal of WASOG, 21(1), 43-48 (2004-05-07)
Leflunomide (Arava) is a cytotoxic drug which has been used as a single agent or in combination with methotrexate for the treatment of rheumatoid arthritis. It appears to have less toxicity than methotrexate. The use of leflunomide for sarcoidosis patients
S Greene et al.
Biochemical pharmacology, 50(6), 861-867 (1995-09-07)
Leflunomide [HWA 486 or RS-34821, 5-methyl-N-(4-trifluoromethylphenyl)-4-isoxazole carboximide] is an immunosuppressive agent effective in the treatment of rheumatoid arthritis. In spite of its clinical potential, its mechanism of action has not been elucidated. Recent studies suggest that leflunomide may interfere with
W James Chon et al.
Expert review of clinical immunology, 7(3), 273-281 (2011-05-21)
Leflunomide is a synthetic isoxazole-derivative drug that possesses both immunosuppressive and antiviral properties. Although its only US FDA-approved indication is for the treatment of rheumatoid arthritis, accumulating clinical experience in addition to animal study data makes it an appealing option
Shigeko Inokuma
Expert opinion on drug safety, 10(4), 603-611 (2011-03-18)
Although disease-modifying antirheumatic drugs (DMARDs) are crucial for rheumatoid arthritis (RA) therapy, they have severe adverse events including interstitial pneumonitis (IP). DMARD-induced IP attracts attention because of its relatively high prevalence, occasionally fatal outcome and clinical features which are common
Frank Behrens et al.
Current opinion in rheumatology, 23(3), 282-287 (2011-03-24)
Leflunomide is often used as a first choice disease-modifying antirheumatic drug after methotrexate. New data are available for efficacy and safety in both, monotherapy and combination with biologicals. New data on efficacy demonstrate comparable effect sizes for leflunomide and methotrexate
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