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Merck

Y0000664

甲氨蝶呤杂质E

European Pharmacopoeia (EP) Reference Standard

别名:

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

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About This Item

经验公式(希尔记法):
C15H14N7O2
CAS号:
分子量:
324.32
分類程式碼代碼:
41116107
NACRES:
NA.24

等級

pharmaceutical primary standard

API 家族

methotrexate

製造商/商標名

EDQM

應用

pharmaceutical (small molecule)

格式

neat

儲存溫度

2-8°C

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 密鑰

LWCXZSDKANNOAR-UHFFFAOYSA-N

一般說明

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.

應用

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

包裝

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

其他說明

Sales restrictions may apply.

象形圖

Skull and crossbonesHealth hazard

訊號詞

Danger

危險分類

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

儲存類別代碼

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

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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分析证书(COA)

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D A Cairnes et al.
Therapeutic drug monitoring, 5(3), 363-366 (1983-01-01)
Simple and convenient preparations of two metabolites of the antineoplastic drug methotrexate (MTX) are described. MTX is incubated in a Tris-HCl rabbit liver homogenate to produce 7-hydroxymethotrexate. Filtration, lyophilization, and recrystallization from water gives a chromatographically pure product. Analytical amounts
Masanobu Uchiyama et al.
Biomedical chromatography : BMC, 26(1), 76-80 (2011-03-26)
A simple and sensitive HPLC method has been developed for the determination of methotrexate (MTX) and its major metabolites, 7-hydroxymethotrexate (7-OH-MTX) and 2,4-diamino-N(10-) methylpteroic acid (DAMPA), in human plasma. After deproteinization of the plasma with 5% aqueous acetonitrile solution containing
Rapid quantitation of methotrexate and its metabolites in human serum, urine and bile, using solid-phase extraction and high-performance liquid chromatography.
B Nuernberg et al.
Journal of chromatography, 487(2), 476-482 (1989-02-24)
B C Widemann et al.
The Journal of pharmacology and experimental therapeutics, 294(3), 894-901 (2000-08-17)
The novel methotrexate (MTX) rescue agent carboxypeptidase-G(2) (CPDG(2)) converts >98% of plasma MTX to 2, 4-diamino-N(10)-methylpteroic acid (DAMPA) and glutamate in patients with MTX-induced renal failure and delayed MTX excretion. DAMPA is eliminated more rapidly than MTX in these patients
H N Alkaysi et al.
Therapeutic drug monitoring, 12(2), 191-194 (1990-03-01)
A procedure for the determination of methotrexate in human plasma is reported. The analysis involved extraction of methotrexate as an ion pair in ethyl acetate. Reconstituted residue was analyzed using reverse phase C-18 column and a mobile phase consisting of

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