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Y0000663

Methotrexate impurity C

European Pharmacopoeia (EP) Reference Standard

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Synonym(s):
Methopterine, N10-Methylfolic acid
Empirical Formula (Hill Notation):
C20H21N7O6
CAS Number:
2410-93-7
Molecular Weight:
455.42
UNSPSC Code:
41116107
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

methotrexate

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

InChI

1S/C20H21N7O6/c1-27(9-11-8-22-16-15(23-11)18(31)26-20(21)25-16)12-4-2-10(3-5-12)17(30)24-13(19(32)33)6-7-14(28)29/h2-5,8,13H,6-7,9H2,1H3,(H,24,30)(H,28,29)(H,32,33)(H3,21,22,25,26,31)

InChI key

HLIXOCXUWGDBNP-UHFFFAOYSA-N

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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 C 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.

related product

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Description
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M1000000

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M1000008

Methotrexate impurity D, European Pharmacopoeia (EP) Reference Standard

Y0000602

Methotrexate for peak identification, European Pharmacopoeia (EP) Reference Standard

Y0000664

Methotrexate impurity E, European Pharmacopoeia (EP) Reference Standard

PHR1396

Methotrexate, Pharmaceutical Secondary Standard; Certified Reference Material

Y0001668

Methotrexate for system suitability, European Pharmacopoeia (EP) Reference Standard

1414003

Methotrexate, United States Pharmacopeia (USP) Reference Standard

1413988

R-Methotrexate, United States Pharmacopeia (USP) Reference Standard

1413999

Methotrexate System Suitability Mixture, United States Pharmacopeia (USP) Reference Standard

1414025

Methotrexate Related Compound B, United States Pharmacopeia (USP) Reference Standard

1414036

Methotrexate Related Compound C, United States Pharmacopeia (USP) Reference Standard

1414058

Methotrexate Related Compound E, United States Pharmacopeia (USP) Reference Standard

Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Statements

H301,H315,H319,H341,H360

Hazard Classifications

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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J R Piper et al.
Journal of medicinal chemistry, 29(6), 1080-1087 (1986-06-01)
Evidence indicating that modifications at the 5- and 10-positions of classical folic acid antimetabolites lead to compounds with favorable differential membrane transport in tumor vs. normal proliferative tissue prompted an investigation of 5-alkyl-5-deaza analogues. 2-Amino-4-methyl-3,5-pyridinedicarbonitrile, prepared by hydrogenolysis of its
R J de Wit et al.
Biochimica et biophysica acta, 930(1), 1-9 (1987-08-19)
The response of guanylate cyclase to addition of extracellular stimuli is well documented. Here we report for the first time the response of guanylate cyclase to removal of stimuli. Three methods were employed to terminate rapidly a stimulus of folic
P S Godfrey et al.
Lancet (London, England), 336(8712), 392-395 (1990-08-18)
41 (33%) of 123 patients with acute psychiatric disorders (DSM III diagnosis of major depression or schizophrenia) had borderline or definite folate deficiency (red-cell folate below 200 micrograms/l) and took part in a double-blind, placebo-controlled trial of methylfolate, 15 mg
J Holm et al.
International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 54(2-3), 195-197 (1984-01-01)
N10-methylfolate acted as a potent competitive inhibitor of high-affinity [3H] folate binding in human leukocytes, while methotrexate had no effect. Furthermore, folate binding changed into a non-cooperative type in the presence of N10-methylfolate. Hence, in qualitative and quantitative respects, the
Enhancement of recovery from psychiatric illness by methylfolate.
T Bottiglieri et al.
Lancet (London, England), 336(8730), 1579-1580 (1990-12-22)
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