Pemetrexed Acid

Name: Pemetrexed Acid
Brand: Vaqora Chemicals
SKU: VQ-013704

About Pemetrexed Acid

Vaqora Chemicals supplies Pemetrexed Acid, a process intermediate or related compound of Pemetrexed registered under CAS number 137281-39-1. Formula C15H14N4O3, molecular weight 298.3 g/mol. Systematically, it is named 4-[2-(2-amino-4-oxo-3,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Process chemists and analysts use it when developing synthetic routes to Pemetrexed, tracking process-related impurities and validating analytical methods. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Pemetrexed Acid in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Pemetrexed

View every impurity, metabolite and intermediate we list for Pemetrexed.

Pemetrexed impurities

Specifications & identifiers

Chemical identifiers
Product name	Pemetrexed Acid
Catalogue No.	VQ-013704
CAS Number	137281-39-1
Other CAS	1895791-09-9
IUPAC name	4-[2-(2-amino-4-oxo-3,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid
Molecular formula	C₁₅H₁₄N₄O₃
Molecular weight	298.3 g/mol
Exact mass	298.1066
Grade	Reference Standard
HSN code	2933
InChIKey	AIZPFZIKHIJCQX-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1CCC2=CNC3=C2C(=O)NC(=N3)N)C(=O)O
PubChem CID	135405776

Physical properties
Physical form	Solid
LogP (XLogP3)	1
H-bond donors / acceptors	4 / 4
TPSA	121 Å²
Synonyms	4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid, 4-(2-(2-Amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic Acid, 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid, Benzoic acid, 4-[2-(2-amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]-, 4-(2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo(2,3-d)pyrimidin-5-yl)ethyl)benzoic acid, Benzoic acid, 4-(2-(2-amino-4,7-dihydro-4-oxo-3H-pyrrolo(2,3-d)pyrimidin-5-yl)ethyl)-, 4-(2-(2-Amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic acid, 4-[2-(2-amino-4-oxo-1,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid, 4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pymol[2,3-d]pyrimodin-5-yl)ethyl]benzoic acid, 4-(2-{2-amino-4-oxo-3H,4H,7H-pyrrolo[2,3-d]pyrimidin-5-yl}ethyl)benzoic acid, 4-(2-(2-Amino-4-oxo-4,7-dihydro-3H-pyrrolo(2,3-d)pyrimidin-5-yl)ethyl)benzoic acid, 4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl] benzoic acid

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H351Suspected of causing cancer
H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Pemetrexed Acid?

The CAS Registry Number of Pemetrexed Acid is 137281-39-1. It is also known as 4-[2-(2-Amino-4,7-dihydro-4-oxo-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic Acid, 4-(2-(2-Amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoic Acid, 4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid.

What is the molecular formula and molecular weight of Pemetrexed Acid?

Pemetrexed Acid has the molecular formula C15H14N4O3 and a molecular weight of 298.3 g/mol. Its IUPAC name is 4-[2-(2-amino-4-oxo-3,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoic acid.

What is Pemetrexed Acid used for?

Pemetrexed Acid is supplied as a characterised reference material related to Pemetrexed. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Pemetrexed Acid can I order?

We supply Pemetrexed Acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Pemetrexed Acid?

Yes. Every lot of Pemetrexed Acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Pemetrexed Acid be shipped internationally?

Yes. Pemetrexed Acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.