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leflunomide

CAS 75706-12-6C12H9F3N2O2MW 270.21

leflunomide (CAS 75706-12-6) — formula C12H9F3N2O2, molecular weight 270.21; category organic chemicals.

Product Overview

CAS Number75706-12-6
Molecular FormulaC12H9F3N2O2
Molecular Weight270.21
Melting Point165-166 °C
LogP2.8
CategoryOrganic Chemicals

Technical Profile

What this product is

leflunomide is a carbon-based organic compound with CAS registry number 75706-12-6 and molecular formula C12H9F3N2O2 (molecular weight 270.21), belonging to the organic chemicals segment of chemical raw materials.

Identification

CAS number: 75706-12-6

Its molecular formula C12H9F3N2O2 comprises 12 C, 9 H, 3 F, 2 N, 2 O atoms.

Also known as: leflunomide · 来氟米特 · Lefunomide

Category: organic chemicals

Frequently Asked Questions

What is the CAS number of leflunomide?

The CAS registry number of leflunomide is 75706-12-6.

What is the molecular formula and molecular weight of leflunomide?

Molecular formula C12H9F3N2O2, molecular weight 270.21.

What other names is leflunomide known by?

It is also registered under: leflunomide, 来氟米特, Lefunomide.

Which category does leflunomide belong to?

Category: Organic Chemicals.

PubChem Public Data

Independent reference data for leflunomide (CAS 75706-12-6), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number75706-12-6
PubChem CID3899
Molecular formulaC12H9F3N2O2
IUPAC name5-methyl-N-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide
UNII (FDA)G162GK9U4W

Computed descriptors

Molecular Weight270.21
XLogP32.5
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count6
Rotatable Bond Count2
Exact Mass270.06161202
Monoisotopic Mass270.06161202
Topological Polar Surface Area55.1
Heavy Atom Count19

Physicochemical values on record

Melting Point165-166 °C
Melting Point166.5 °C
Melting Point165 - 166 °C
Solubility21
Solubility8.44e-02 g/L
LogP2.8
LogP3.9

Documented uses on record

    Use (kg; approx.) in Germany (2009): >250Use (kg; exact) in Germany (2009): 274

    Synonyms and trade names

    leflunomide; 75706-12-6; Arava; Leflunomida; 5-methyl-N-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide; Leflunomidum; HWA-486; Repso; leflunomide medac; SU101; Leflunomide teva; 5-Methylisoxazole-4-carboxylic acid (4-trifluoromethyl)anilide; SU-101; DTXSID9023201; Leflunomide winthrop; SULOL

    GHS hazard classification

    Reported hazard statementsH301 (99.3%), H315 (96.3%), H319 (96.3%), H335 (96.3%)

    H301 (99.3%): Toxic if swallowed [Danger Acute toxicity, oral]

    H315 (96.3%): Causes skin irritation [Warning Skin corrosion/irritation]

    What the public record says

    Lefunomide · CAS 75706-12-6 · C12H9F3N2O2. UNII G162GK9U4W. Melting Point: 165-166 °C; Melting Point: 166.5 °C; Melting Point: 165 - 166 °C.

    Physical description and handling notes

    Source: PubChem / Wikidata; the batch COA governs where values differ.

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