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Y0000664

Methotrexate impurity E

Name: Methotrexate impurity E
Brand: SIAL

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

4-{[(2,4-Diaminopteridin-6-yl)methyl]methylamino}benzoic acid

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About This Item

Empirical Formula (Hill Notation):

C₁₅H₁₄N₇O₂

CAS Number:

19741-14-1

Molecular Weight:

324.32

UNSPSC Code:

41116107

NACRES:

NA.24

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Properties

grade

pharmaceutical primary standard

API family

methotrexate

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

N(Cc2nc3c(nc(nc3N)N)nc2)(C)c1ccc(cc1)C(=O)O

InChI

1S/C15H15N7O2/c1-22(10-4-2-8(3-5-10)14(23)24)7-9-6-18-13-11(19-9)12(16)20-15(17)21-13/h2-6H,7H2,1H3,(H,23,24)(H4,16,17,18,20,21)

InChI key

LWCXZSDKANNOAR-UHFFFAOYSA-N

Description

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

Methotrexate impurity E 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.

pictograms

GHS06,GHS08

signalword

Danger

hcodes

H301,H315,H319,H341,H360D

pcodes

P202 - P264 - P270 - P301 + P310 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2 - Muta. 2 - Repr. 1B - Skin Irrit. 2

Storage Class

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Mass spectrometry of permethylated folic acid analogs.

R G Smith et al.

Biomedical mass spectrometry, 8(4), 144-148 (1981-04-01)

Folic acid and several analogs have been characterized as their permethylated derivatives. These derivatives are readily evaporated from the solid probe and provide spectra with abundant molecular ions and characteristic fragment ions. This method has been used to confirm the

High-performance liquid chromatographic assay of methotrexate, 7-hydroxymethortrexate, 4-deoxy-4-amino-N10-methylpteroic acid and sulfamethoxazole in serum, urine and cerebrospinal fluid.

D A Cairnes et al.

Journal of chromatography, 231(1), 103-110 (1982-08-13)

An automated high-performance liquid chromatographic system is described for separation and quantitation of the antineoplastic drug methotrexate and metabolites, and the antibiotic sulfamethoxazole in body fluids. The 40-min analysis utilizes a reversed-phase C18 column and gradient elution with detection by

Commentary.

Michael C Milone

Clinical chemistry, 56(12), 1795-1796 (2010-12-02)

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Global Trade Item Number

SKU	GTIN
Y0000664	04061833804445