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Y0000654

Leflunomide

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C12H9F3N2O2
CAS Number:
Molecular Weight:
270.21
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

leflunomide

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

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)

InChI key

VHOGYURTWQBHIL-UHFFFAOYSA-N

Gene Information

human ... DHODH(1723)

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Leflunomide EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

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

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Frank Behrens et al.
Arthritis care & research, 65(3), 464-470 (2012-10-09)
To determine the "real-world" clinical effectiveness and safety of leflunomide in patients with psoriatic arthritis (PsA). This prospective, multinational 24-week observational study involved adult patients with active PsA who initiated treatment with leflunomide. Patients were evaluated at baseline, 12 weeks
Frank Moosig et al.
Annals of the rheumatic diseases, 72(6), 1011-1017 (2012-08-14)
To evaluate a vasculitis centre based management strategy for eosinophilic granulomatosis and polyangiitis (Churg-Strauss, EGPA). A retrospective cohort study at a vasculitis referral centre was performed. All EGPA patients admitted from 1990 to 2009 were included. A structured interdisciplinary work-up
T Adizie et al.
International journal of clinical practice, 66(9), 906-909 (2012-08-18)
Polymyalgia rheumatica (PMR) and giant cell arteritis (GCA) are related inflammatory rheumatic conditions affecting adults over the age of 50 years. Both conditions respond to initial glucocorticoid (GC) therapy. However, most patients require 12-36 months of a tapering steroid regime.
Paul Bird et al.
The Journal of rheumatology, 40(3), 228-235 (2013-01-17)
To assess the safety of treating patients with rheumatoid arthritis with a combination of methotrexate (MTX) and leflunomide (LEF) in comparison to MTX monotherapy, in clinical practice. The Safety of Methotrexate in Combination with Leflunomide in Rheumatoid Arthritis (SMILE) study
Babak Baban et al.
American journal of physiology. Regulatory, integrative and comparative physiology, 303(11), R1136-R1146 (2012-10-27)
The aryl hydrocarbon receptor (AHR) has emerged as a major modulator of inflammatory processes. We tested the hypothesis that AHR activation protects the ischemic-reperfused kidney in association with the suppression of the inflammatory response. Accordingly, male mice were treated with

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