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1414003

USP

Methotrexate

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

(+)-Amethopterin, 4-Amino-10-methylfolic acid, 4-Amino-N10-methylpteroyl-L-glutamic acid, Antifolan, MTX, Methylaminopterin

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About This Item

Empirical Formula (Hill Notation):
C20H22N8O5
CAS Number:
59-05-2
Molecular Weight:
454.44
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329750410
MDL number:
MFCD00064370
Beilstein/REAXYS Number:
70669
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grade

pharmaceutical primary standard

agency

USP

API family

methotrexate

manufacturer/tradename

USP

application(s)

pharmaceutical
pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

CN(Cc1cnc2nc(N)nc(N)c2n1)c3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O

InChI

1S/C20H22N8O5/c1-28(9-11-8-23-17-15(24-11)16(21)26-20(22)27-17)12-4-2-10(3-5-12)18(31)25-13(19(32)33)6-7-14(29)30/h2-5,8,13H,6-7,9H2,1H3,(H,25,31)(H,29,30)(H,32,33)(H4,21,22,23,26,27)/t13-/m0/s1

InChI key

FBOZXECLQNJBKD-ZDUSSCGKSA-N

Gene Information

human ... DHFR(1719)

General description

Find answers to frequently asked questions on USP products in USP FAQs.
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 USP Reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Methotrexate Injection
  • Methotrexate Tablets
  • Methotrexate for Injection

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

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Pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Oral - Muta. 2 - Repr. 1B - STOT RE 1

Target Organs

Liver,Bone marrow

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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