Pemetrexed EP Impurity B

Name: Pemetrexed EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-027413

About Pemetrexed EP Impurity B

Vaqora Chemicals supplies Pemetrexed EP Impurity B, a pharmacopeial impurity of Pemetrexed registered under CAS number 1802552-04-0. Formula C40H40N10O13, molecular weight 868.8 g/mol. Alternative names: Pemetrexed Disodium Heptahydrate - Impurity B and Pemetrexed R dimer.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Pemetrexed to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Pemetrexed EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Pemetrexed

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

Pemetrexed impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Pemetrexed EP Impurity B
Catalogue No.	VQ-027413
CAS Number	1802552-04-0
IUPAC name	(2S)-2-[[4-[2-[2-amino-6-[(5R)-2-amino-5-[2-[4-[[(1S)-1,3-dicarboxypropyl]carbamoyl]phenyl]ethyl]-4,6-dioxo-3,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl]-4-oxo-3,7-dihydropyrrolo[2,3-d]pyrimidin-5-yl]ethyl]benzoyl]amino]pentanedioic acid
Molecular formula	C₄₀H₄₀N₁₀O₁₃
Molecular weight	868.8 g/mol
Exact mass	868.2776
Grade	Reference Standard
HSN code	38229090
InChIKey	MYCCYMLLSPAQLR-CGDPJZLSSA-N
SMILES	C1=CC(=CC=C1CCC2=C(NC3=C2C(=O)NC(=N3)N)[C@]4(C5=C(NC4=O)N=C(NC5=O)N)CCC6=CC=C(C=C6)C(=O)N[C@@H](CCC(=O)O)C(=O)O)C(=O)N[C@@H](CCC(=O)O)C(=O)O
PubChem CID	140309529

Physical properties
Physical form	Solid
LogP (XLogP3)	-1.3
H-bond donors / acceptors	12 / 15
TPSA	387 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 EP Impurity B?

The CAS Registry Number of Pemetrexed EP Impurity B is 1802552-04-0. It is also known as Pemetrexed Disodium Heptahydrate - Impurity B, Pemetrexed R dimer.

What is the molecular formula and molecular weight of Pemetrexed EP Impurity B?

Pemetrexed EP Impurity B has the molecular formula C40H40N10O13 and a molecular weight of 868.8 g/mol.

What is Pemetrexed EP Impurity B used for?

Pemetrexed EP Impurity B 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 EP Impurity B can I order?

We supply Pemetrexed EP Impurity B 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 EP Impurity B?

Yes. Every lot of Pemetrexed EP Impurity B 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 EP Impurity B be shipped internationally?

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