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Pharmacopeial Impurities (EP / USP / BP)

Leflunomide EP Impurity A

Reference StandardAvailable on request

Leflunomide EP Impurity A (CAS 455-14-1) supplier Zemixal: C7H6F3N, COA and SDS with every lot, worldwide shipping. Ships from India to 120+ countries.

Pack sizes
Leflunomide EP Impurity A chemical structure
CAS number455-14-1
FormulaC7H6F3N
Molar mass161.12 g/mol
Physical formSolid
HS code38229090
InChIKeyODGIMMLDVSWADK-UHFFFAOYSA-N
IUPAC name4-(trifluoromethyl)aniline

About Leflunomide EP Impurity A

Zemixal lists Leflunomide EP Impurity A for laboratories that identify, quantify or control Leflunomide and its related substances. For your records (Reference Standard), the material is defined by CAS 455-14-1, formula C7H6F3N and molar mass 161.12 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Handling and storage

Hazard communication follows GHS (Danger: H301, H318, H319 and H331). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Leflunomide

See every impurity, metabolite and related compound we list for this API.

Leflunomide standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Grade guides

Specifications and identifiers

Specifications of Leflunomide EP Impurity A
Product nameLeflunomide EP Impurity A
Catalogue numberZX-021965
CAS number455-14-1
IUPAC name4-(trifluoromethyl)aniline
Molecular formulaC7H6F3N
Molar mass161.12 g/mol
Exact mass161.0452
GradeReference Standard
Physical formSolid
XLogP32.4
H-bond donors / acceptors1 / 4
Topological polar surface area26 Ų
HS code38229090
InChIKeyODGIMMLDVSWADK-UHFFFAOYSA-N
SMILESC1=CC(=CC=C1C(F)(F)F)N
PubChem CID9964
SynonymsLeflunomide - Impurity A, 4-Aminobenzotrifluoride, 4-Trifluoromethylaniline, p-Aminobenzotrifluoride, Benzenamine, 4-(trifluoromethyl)-, p-(Trifluoromethyl)aniline, alpha,alpha,alpha-Trifluoro-p-toluidine, para-trifluoromethylaniline, alpha,alpha,alpha-Trifluoro-p-anisidine, p-Trifluoromethylaniline, 4-(Trifluoromethyl)benzenamine, Aniline, p-(trifluoromethyl)-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H301Toxic if swallowed
  • H318Causes serious eye damage
  • H319Causes serious eye irritation
  • H331Toxic if inhaled
  • H372Causes damage to organs through prolonged or repeated exposure
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P260, P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P316, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P317, P319, P321, P330, P337 + P317, P391, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Leflunomide EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Leflunomide EP Impurity A

Which CAS number identifies Leflunomide EP Impurity A?
Leflunomide EP Impurity A is registered under CAS 455-14-1. You may also see it listed as Leflunomide - Impurity A, 4-Aminobenzotrifluoride, 4-Trifluoromethylaniline. Our catalogue number for this item is ZX-021965.
What are the formula and molar mass of Leflunomide EP Impurity A?
For Leflunomide EP Impurity A, its formula is C7H6F3N and its molar mass is 161.12 g/mol. The systematic (IUPAC) name is 4-(trifluoromethyl)aniline. InChIKey ODGIMMLDVSWADK-UHFFFAOYSA-N lets you match it in any structure database.
How is Leflunomide EP Impurity A used in pharmaceutical QC?
Leflunomide EP Impurity A is a characterised reference material linked to Leflunomide. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Leflunomide EP Impurity A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Leflunomide EP Impurity A?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Leflunomide EP Impurity A to my country?
Yes. Because Leflunomide EP Impurity A is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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