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  J40005    
Leflunomide
, 99% (HPLC), powder
 
5-Methylisoxazole-4-(4-trifluoromethylcarboxanilide)




IDENTITY
CAS Number:75706-12-6
MDL Number:MFCD00867593
MF:C12H9F3N2O2
MW:270.21
BRN:4323174
SPECIFICATIONS & PROPERTIES
Min. Purity Spec:99% (HPLC), powder
Physical Form (at 20°C):Solid
Melting Point:164-170°C
Density:1.392
Refractive Index:1.541
Long-Term Storage:Store long-term at 2-8°C
DOT/IATA TRANSPORT INFORMATION
UN #:UN2811
Hazard Class:6.1; Poison
Packing Group:III
A hazmat fee may apply to certain package sizes and shipment methods. Please check pricing table for an indicator of applicable hazmat fees.

BIOLOGICAL INFO
Application(s):An inhibitor of Cox-2 and tyrosine kinase

REVIEW

 Leflunomide is an immunosuppressive drug that inhibits T and B cell responses. Leflunomide is an inhibitor of Cox-2, of tyrosine phosphorylation (tyrosine kinase), of DHODH (dihydroorotate dehydrogenase), an enzyme for de novo pyrimidine synthesis, and of TNF-dependent NF-κB activation. The physiological activity of leflunomide is attributed mainly to its metabolite.

REFERENCES
[1]Bartlett, R.R., et al. 1985. Int. J. Immunopharmacol. 7: 7-18. PMID: 3873420
[2] Bartlett, R.R., et al. 1991. Agents Actions 32: 10-21. PMID: 2058454
[3] Mattar, T., et al. 1993. FEBS Lett. 334: 161-164. PMID: 8224241
[4] Xu, X., et al. 1995. J. Biol. Chem. 270: 12398-12403. PMID: 7759480

GLOBALLY HARMONIZED SYSTEM (GHS)

Pictograms

Signal Word
Danger

Hazard Statements
H301; H315; H319; H335

Precautionary Statements
P261; P264; P270; P271; P280; P301+P310; P302+P352; P304+P340; P305+P351+P338; P312; P321; P330; P332+P313; P337+P313; P362; P403+P233; P405; P501


Current as of December 29, 2024


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All products are stocked and shipped from the SF Bay, California, USA via FedEx, UPS or DHL.
All batches backed with full quality assurance.
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All products are for research and development use only, not for any other uses, and must be handled by technically-qualified persons.

These products are explicitly not intended to be used in foods and/or cosmetics and/or drugs (human and veterinary) and/or consumer products and/or biocides and/or pesticides of any kind unless explicitly stated otherwise.

Products are not sold to individuals. We do not ship to residential addresses. Consumer orders will be cancelled without notice.

New customers undergo an internal onboarding process. As part of this process, new customers may be asked for more information. Additional restrictions may apply.



CATEGORIES

 APIs and Bioactives > Pyrimidine Synthesis Inhibitors


PubChem
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