Pemetrexed

Name: Pemetrexed
Brand: Zemixal
SKU: ZX-006713

Reference StandardAvailable on request

Buy Pemetrexed (CAS 137281-23-3) from Zemixal: C20H21N5O6, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes

CAS number137281-23-3

FormulaC₂₀H₂₁N₅O₆

Molar mass427.4 g/mol

Physical formSolid

HS code38229090

InChIKeyWBXPDJSOTKVWSJ-ZDUSSCGKSA-N

IUPAC name(2S)-2-[[4-[2-(2-amino-4-oxo-3,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]amino]pentanedioic acid

About Pemetrexed

Pemetrexed belongs to the Pemetrexed reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 137281-23-3, formula C20H21N5O6 and molar mass 427.4 g/mol. It is handled as a solid.

Where it is used

Identification & assay
Method development & validation
QC reference material

Storage and safety notes

Hazard communication follows GHS (Danger: H302, H341, H351 and H360). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Pemetrexed

See every impurity, metabolite and related compound we list for this API.

Pemetrexed standards

Typical uses

Identification & assay
Method development & validation
QC reference material

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Pemetrexed
Product name	Pemetrexed
Catalogue number	ZX-006713
CAS number	137281-23-3
IUPAC name	(2S)-2-[[4-[2-(2-amino-4-oxo-3,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]amino]pentanedioic acid
Molecular formula	C₂₀H₂₁N₅O₆
Molar mass	427.4 g/mol
Exact mass	427.1492
Grade	Reference Standard
Physical form	Solid
XLogP3	0.2
H-bond donors / acceptors	6 / 7
Topological polar surface area	187 Å²
HS code	38229090
InChIKey	WBXPDJSOTKVWSJ-ZDUSSCGKSA-N
SMILES	C1=CC(=CC=C1CCC2=CNC3=C2C(=O)NC(=N3)N)C(=O)N[C@@H](CCC(=O)O)C(=O)O
PubChem CID	135410875
Synonyms	Pemetrexed Sodium, Multitargeted Antifolate, Pemetrexed (INN), 1juj, Pemetrexed Hydrate, Pemetrexed (TN), Pemfexy (TN), Pemetrexed (Standard), Alimta (TN) (Lilly), US9422297, Pemetrexed, Pemetrexed - Bio-X trade mark, Premetrexed [Common mis-spelling]

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Health hazard

Signal word Danger

H302Harmful if swallowed
H341Suspected of causing genetic defects
H351Suspected of causing cancer
H360May damage fertility or the unborn child

Precautionary statements P203, P264, P270, P280, P301 + P317, P318, P330, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Pemetrexed
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Pemetrexed

Which CAS number identifies Pemetrexed?

Pemetrexed is registered under CAS 137281-23-3. You may also see it listed as Pemetrexed Sodium, Multitargeted Antifolate, Pemetrexed (INN). Our catalogue number for this item is ZX-006713.

What are the formula and molar mass of Pemetrexed?

For Pemetrexed, its formula is C20H21N5O6 and its molar mass is 427.4 g/mol. The systematic (IUPAC) name is (2S)-2-[[4-[2-(2-amino-4-oxo-3,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]amino]pentanedioic acid. InChIKey WBXPDJSOTKVWSJ-ZDUSSCGKSA-N lets you match it in any structure database.

How is Pemetrexed used in pharmaceutical QC?

Pemetrexed is a characterised reference material linked to Pemetrexed. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Pemetrexed?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Pemetrexed?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Pemetrexed to my country?

Yes. Because Pemetrexed is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Pemetrexed standards

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