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VAQORACHEMICALS
Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Pemetrexed EP Impurity A (Freebase)

Synonyms: N-Methyl Pemetrexed · Pemetrexed N-Methyl Analog · Pemetrexed EP Impurity A

CAS No.869791-42-4
FormulaC21H23N5O6
Mol. weight441.40
Catalogue No.VQ-006575
PurityReference Standard
HSN38229090

Pemetrexed EP Impurity A (Freebase) (CAS 869791-42-4) – Pemetrexed impurity standard. C21H23N5O6, MW 441.4. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available
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25 mg
50 mg
100 mg
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16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Pemetrexed EP Impurity A (Freebase)

Listed under CAS 869791-42-4, Pemetrexed EP Impurity A (Freebase) is a pharmacopeial impurity of Pemetrexed available from Vaqora Chemicals. The compound has the formula C21H23N5O6, corresponding to a molecular weight of 441.4 g/mol. The IUPAC name is (2S)-2-[[4-[2-(2-amino-1-methyl-4-oxo-7H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]amino]pentanedioic acid. It is also known as N-Methyl Pemetrexed or Pemetrexed N-Methyl Analog.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

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. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Pemetrexed EP Impurity A (Freebase) is dispatched with a Certificate of Analysis (COA) to destinations 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 namePemetrexed EP Impurity A (Freebase)
Catalogue No.VQ-006575
CAS Number869791-42-4
Other CAS2243918-27-4
IUPAC name(2S)-2-[[4-[2-(2-amino-1-methyl-4-oxo-7H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]amino]pentanedioic acid
Molecular formulaC21H23N5O6
Molecular weight441.4 g/mol
Exact mass441.1648
GradeReference Standard
HSN code38229090
InChIKeyJKULRGFPYBAJTE-AWEZNQCLSA-N
SMILESCN1C2=C(C(=CN2)CCC3=CC=C(C=C3)C(=O)N[C@@H](CCC(=O)O)C(=O)O)C(=O)N=C1N
PubChem CID91974867
Physical properties
Physical formSolid
LogP (XLogP3)0.4
H-bond donors / acceptors5 / 6
TPSA178 Ų

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant
GHS08 Health hazard
Health hazard

Signal word: Danger

Hazard statements

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H341Suspected of causing genetic defects
  • H360May damage fertility or the unborn child
  • H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P203, P260, P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P318, P319, P321, P332 + P317, P337 + P317, P362 + P364, 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

Frequently asked questions

What is the CAS number of Pemetrexed EP Impurity A (Freebase)?

The CAS Registry Number of Pemetrexed EP Impurity A (Freebase) is 869791-42-4. It is also known as N-Methyl Pemetrexed, Pemetrexed N-Methyl Analog, Pemetrexed EP Impurity A.

What is the molecular formula and molecular weight of Pemetrexed EP Impurity A (Freebase)?

Pemetrexed EP Impurity A (Freebase) has the molecular formula C21H23N5O6 and a molecular weight of 441.4 g/mol. Its IUPAC name is (2S)-2-[[4-[2-(2-amino-1-methyl-4-oxo-7H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]amino]pentanedioic acid.

What is Pemetrexed EP Impurity A (Freebase) used for?

Pemetrexed EP Impurity A (Freebase) 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 A (Freebase) can I order?

We supply Pemetrexed EP Impurity A (Freebase) 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 A (Freebase)?

Yes. Every lot of Pemetrexed EP Impurity A (Freebase) 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 A (Freebase) be shipped internationally?

Yes. Pemetrexed EP Impurity A (Freebase) 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.

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Why buyers choose Vaqora

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  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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