Leflunomide

Description

CAS: 75706-12-6 | C12H9F3N2O2 | 270.211 g/mol

An immunosuppressive agent. Inhibits T and B cell proliferation.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

• An immunosuppressive agent
• Inhibits T and B cell proliferation

Specifications

Chemical Identifiers

• CAS: 75706-12-6
• Molecular Formula: C12H9F3N2O2
• Molecular Weight (g/mol): 270.211
• MDL Number: MFCD00867593
• InChI Key: VHOGYURTWQBHIL-UHFFFAOYSA-N
• Synonym: leflunomide, arava, leflunomidum, lefunamide, leflunomida, leflunomidum inn-latin, 5-methyl-n-4-trifluoromethyl phenyl-1,2-oxazole-4-carboxamide, leflunomida inn-spanish, su 101 pharmaceutical, arava tn
• PubChem CID: 3899
• ChEBI: CHEBI:6402
• IUPAC Name: 5-methyl-N-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide
• SMILES: CC1=C(C=NO1)C(=O)NC2=CC=C(C=C2)C(F)(F)F

• Color: White
• Quantity: 500 mg
• UN Number: UN2811
• Merck Index: 14,5432
• Formula Weight: 270.21
• Physical Form: Crystalline Solid
• Chemical Name or Material: Leflunomide

Safety and Handling

Hazard Category	H301-H315-H319-H335
Hazard Statement	GHS H Statement H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P261-P264b-P270-P271-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P312-P330-P332+P313-P362-P501c
DOTInformation	Transport Hazard Class: 6.1; Packing Group: III; Proper Shipping Name: TOXIC SOLIDS, ORGANIC, N.O.S.
RTECSNumber	NY2354200
TSCA	No
Recommended Storage	Keep cold

SDS

RUO – Research Use Only