Skip to Content
Merck
All Photos(1)

Documents

Y0000487

Leflunomide impurity A

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

4-(Trifluoromethyl)aniline, α,α,α-Trifluoro-p-toluidine, 4-Aminobenzotrifluoride

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
CF3C6H4NH2
CAS Number:
Molecular Weight:
161.12
Beilstein:
1564853
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

leflunomide

manufacturer/tradename

EDQM

refractive index

n20/D 1.483 (lit.)

bp

83 °C/12 mmHg (lit.)

density

1.283 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

Nc1ccc(cc1)C(F)(F)F

InChI

1S/C7H6F3N/c8-7(9,10)5-1-3-6(11)4-2-5/h1-4H,11H2

InChI key

ODGIMMLDVSWADK-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Leflunomide impurity A EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

J Seifert et al.
Toxicology, 83(1-3), 49-59 (1993-10-25)
Reactive isomeric 3- and 4-trifluoromethylanilines (3-,4-TFMA), and control aniline itself, induced the following effects on biosynthesis of DNA in the liver, kidney, thymus and spleen of rats: (a) The administration of 4-TFMA initially suppressed the utilization of labeled thymidine for
R E Cilley et al.
Journal of pediatric surgery, 35(1), 113-118 (2000-01-26)
The mechanisms by which static airway pressures in the developing lung affect development are unknown. The in vitro murine fetal lung model with airway ligation reproduces the phenomenon of intraluminal airway pressure in developing lungs. We have applied the technique
V Kruft et al.
Biochimie, 73(7-8), 855-860 (1991-07-01)
The complete amino acid sequences of 3 proteins from the 50S subunit of Bacillus stearothermophilus ribosomes were determined by N-terminal sequence analysis and by sequencing of overlapping fragments obtained from enzymatic digestions and chemical cleavages. The proteins BstL28, BstL33 and
H Klein
Biochemistry and cell biology = Biochimie et biologie cellulaire, 75(2), 177-182 (1997-01-01)
A cDNA coding for the hamster S24 ribosomal protein was used to isolate homologous genes from a Syrian hamster fibroblast genomic library. Southern analysis, using S24 ribosomal protein cDNA and two probes derived from the 5' and 3' ends, suggests
B A Maguire et al.
Molecular microbiology, 23(2), 237-245 (1997-01-01)
Strain BM108 of Escherichia coli has a chromosomal mutation in the rpmB,G operon that prevents synthesis of ribosomal proteins L28 and L33. The mutation was lethal unless synthesis of protein L28 was induced from a plasmid. Without protein L28, RNA

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service