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Merck
CN

Y0001081

Mefenamic acid impurity A

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

2,3-Dimethylaniline, 1-Amino-2,3-dimethylbenzene, 2,3-Xylidine, 3-Amino-o-xylene, CN-Cbl

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About This Item

Linear Formula:
(CH3)2C6H3NH2
CAS Number:
87-59-2
Molecular Weight:
121.18
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329831251
MDL number:
MFCD00007732
Beilstein/REAXYS Number:
742174

Key Documents

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Product Name

Mefenamic acid impurity A, European Pharmacopoeia (EP) Reference Standard

InChI

1S/C8H11N/c1-6-4-3-5-8(9)7(6)2/h3-5H,9H2,1-2H3

SMILES string

Cc1cccc(N)c1C

InChI key

VVAKEQGKZNKUSU-UHFFFAOYSA-N

grade

pharmaceutical primary standard

vapor density

4.2 (vs air)

API family

mefenamic acid

manufacturer/tradename

EDQM

refractive index

n20/D 1.569 (lit.)

bp

221-222 °C (lit.)

mp

2.5 °C (lit.)

density

0.993 g/mL at 25 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

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Application

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

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.

Other Notes

Sales restrictions may apply.

Packaging

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

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Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 2 - STOT RE 2

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 3

flash_point_f

204.8 °F - closed cup

flash_point_c

96 °C - closed cup

Regulatory Information

危险化学品
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Stéphanie Romand et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 63, 14-21 (2014-07-06)
A capillary isoelectric focusing (cIEF) method was developed for the determination of the ionization constants (pKa) of small molecules. Two approaches used to decrease the electroosmotic flow (EOF) were compared: (i) a hydroxypropylcellulose (HPC) coated capillary in aqueous medium and

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