Pemetrexed Keto impurity

Name: Pemetrexed Keto impurity
Brand: Vaqora Chemicals
SKU: VQ-041375

About Pemetrexed Keto impurity

Pemetrexed Keto impurity is an impurity of Pemetrexed carrying the CAS registry number 1644287-27-3. Its molecular formula is C20H21N5O7 and its molecular weight is 443.4 g/mol. Alternative names: Pemetrexed 6-oxo diacid impurity and 6-Ketopemetrexed.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

This Pemetrexed impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Pemetrexed Keto impurity is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Pemetrexed

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

Pemetrexed impurities

Specifications & identifiers

Chemical identifiers
Product name	Pemetrexed Keto impurity
Catalogue No.	VQ-041375
CAS Number	1644287-27-3
IUPAC name	(2S)-2-[[4-[2-(2-amino-4,6-dioxo-5,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]amino]pentanedioic acid
Molecular formula	C₂₀H₂₁N₅O₇
Molecular weight	443.4 g/mol
Exact mass	443.1441
Grade	Reference Standard
HSN code	38229090
InChIKey	YVRHJHKPTURIID-KIYNQFGBSA-N
SMILES	C1=CC(=CC=C1CCC2C3=C(NC2=O)N=C(NC3=O)N)C(=O)N[C@@H](CCC(=O)O)C(=O)O
PubChem CID	135565729

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.1
H-bond donors / acceptors	6 / 8
TPSA	200 Å²

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 Keto impurity?

The CAS Registry Number of Pemetrexed Keto impurity is 1644287-27-3. It is also known as Pemetrexed 6-oxo diacid impurity, 6-Ketopemetrexed, Pemetrexed Impurity F.

What is the molecular formula and molecular weight of Pemetrexed Keto impurity?

Pemetrexed Keto impurity has the molecular formula C20H21N5O7 and a molecular weight of 443.4 g/mol. Its IUPAC name is (2S)-2-[[4-[2-(2-amino-4,6-dioxo-5,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]amino]pentanedioic acid.

What is Pemetrexed Keto impurity used for?

Pemetrexed Keto impurity 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 Keto impurity can I order?

We supply Pemetrexed Keto impurity 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 Keto impurity?

Yes. Every lot of Pemetrexed Keto impurity 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 Keto impurity be shipped internationally?

Yes. We export Pemetrexed Keto impurity worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.