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1357056

USP

Leflunomide Related Compound B

United States Pharmacopeia (USP) Reference Standard

Synonyme(s) :

2-Cyano-3-hydroxy-N-(4-trifluoromethylphenyl)crotonamide

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About This Item

Formule empirique (notation de Hill):
C12H9F3N2O2
Numéro CAS:
108605-62-5
Poids moléculaire :
270.21
Numéro MDL:
MFCD00910058
Code UNSPSC :
41116107
ID de substance PubChem :
329750239
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 

O=C(/C(C#N)=C(O)/C)NC1=CC=C(C(F)(F)F)C=C1

InChI

1S/C12H9F3N2O2/c1-7(18)10(6-16)11(19)17-9-4-2-8(3-5-9)12(13,14)15/h2-5,18H,1H3,(H,17,19)/b10-7-

Clé InChI

UTNUDOFZCWSZMS-YFHOEESVSA-N

Informations sur le gène

human ... DHODH(1723)

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Description générale

Leflunomide Related Compound B (2-Cyano-3-hydroxy-N-(4-trifluoromethylphenyl)crotonamide is a malononitrilamide which is a water soluble metabolite of Leflunomide. It is considered as a noncompetitive inhibitor of dihydro-orotate dehydrogensae. This metabolite has been reported to initially target activated lymphocytes.

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

1356960

Leflunomide, United States Pharmacopeia (USP) Reference Standard

Y0000487

Leflunomide impurity A, European Pharmacopoeia (EP) Reference Standard

1357045

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

1357067

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

PHR1378

Leflunomide, Pharmaceutical Secondary Standard; Certified Reference Material

PHR1568

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

BP1233

Leflunomide, British Pharmacopoeia (BP) Reference Standard

Pictogrammes

Exclamation mark
GHS07

Mention d'avertissement

Warning

Mentions de danger

H302

Classification des risques

Acute Tox. 4 Oral

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Certificats d'analyse (COA)

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Titia E Vrenken et al.
Journal of hepatology, 49(5), 799-809 (2008-09-24)
Leflunomide is used in the treatment of autoimmune diseases as an anti-inflammatory agent. Leflunomide and its active metabolite A77 1726 modulate mitogen-activated protein kinases (MAPK), Src kinases, the phosphoinositide-3 kinase (PI3K)/Akt-pathway and nuclear factor (NF)-kappaB activation. Both cell protective and
Eva Bernhoff et al.
Journal of virology, 84(4), 2150-2156 (2009-12-04)
The immunomodulatory drug leflunomide is frequently used for treating polyomavirus-associated nephropathy, yet its antiviral mechanism is unclear. We characterized the effects of the active leflunomide metabolite A771726 (LEF-A) on the polyomavirus BK (BKV) life cycle in human renal tubular epithelial
Takeo Sato et al.
Rheumatology (Oxford, England), 48(10), 1265-1268 (2009-08-05)
To elucidate the factors associated with poor prognosis of LEF-induced lung injury in patients with RA. The background and clinical and laboratory features of LEF-induced lung injury were examined and compared between patients who died of and who recovered from
Paola Montagna et al.
Annals of the New York Academy of Sciences, 1193, 30-35 (2010-04-20)
Rheumatoid arthritis (RA) prevalence is greater in females than in males, supporting estrogens as modulators of immune response. Leflunomide (LEF) is employed in the RA treatment. We studied the combinatory effects of LEF active metabolite A77 1726 (LEF-M) and 17beta-estradiol
Li-Xia Xiong et al.
Xi bao yu fen zi mian yi xue za zhi = Chinese journal of cellular and molecular immunology, 25(1), 16-19 (2009-01-08)
To observe the inhibitory effects of tyrosine kinases inhibitor A77 1726 on collagen generation induced by IL-13 in fibroblasts. The inhibition rate of fibroblast proliferation with different concentration of A77 1726 was observed by MTT method. The fibroblasts were divided
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