Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
contact@zemixal.com
Bulk CASAccount
Pharmacopeial Impurities (EP / USP / BP)

Pemetrexed EP Impurity A (Freebase)

Reference StandardAvailable on request

Order Pemetrexed EP Impurity A (Freebase) (CAS 869791-42-4) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Pemetrexed EP Impurity A (Freebase) chemical structure
CAS number869791-42-4
FormulaC21H23N5O6
Molar mass441.4 g/mol
Physical formSolid
HS code38229090
InChIKeyJKULRGFPYBAJTE-AWEZNQCLSA-N
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

About Pemetrexed EP Impurity A (Freebase)

Pemetrexed EP Impurity A (Freebase) belongs to the Pemetrexed reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 869791-42-4, formula C21H23N5O6 and molar mass 441.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Handling and storage

Classified under GHS with signal word Danger and hazard statements H315, H319, H341 and H360. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Pemetrexed

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

Pemetrexed standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Pemetrexed EP Impurity A (Freebase)
Product namePemetrexed EP Impurity A (Freebase)
Catalogue numberZX-005881
CAS number869791-42-4
Other CAS numbers2243918-27-4
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
Molar mass441.4 g/mol
Exact mass441.1648
GradeReference Standard
Physical formSolid
XLogP30.4
H-bond donors / acceptors5 / 6
Topological polar surface area178 Ų
HS 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
SynonymsN-Methyl Pemetrexed, Pemetrexed N-Methyl Analog, Pemetrexed EP Impurity A

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • 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 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 EP Impurity A (Freebase)
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted 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 EP Impurity A (Freebase)

Which CAS number identifies Pemetrexed EP Impurity A (Freebase)?
Pemetrexed EP Impurity A (Freebase) is registered under CAS 869791-42-4. You may also see it listed as N-Methyl Pemetrexed, Pemetrexed N-Methyl Analog, Pemetrexed EP Impurity A. Our catalogue number for this item is ZX-005881.
What are the formula and molar mass of Pemetrexed EP Impurity A (Freebase)?
For Pemetrexed EP Impurity A (Freebase), its formula is C21H23N5O6 and its molar mass is 441.4 g/mol. The systematic (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. InChIKey JKULRGFPYBAJTE-AWEZNQCLSA-N lets you match it in any structure database.
How is Pemetrexed EP Impurity A (Freebase) used in pharmaceutical QC?
Pemetrexed EP Impurity A (Freebase) 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 EP Impurity A (Freebase)?
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 EP Impurity A (Freebase)?
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 EP Impurity A (Freebase) to my country?
Yes. Because Pemetrexed EP Impurity A (Freebase) 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

More in Pharmacopeial Impurities (EP / USP / BP)

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list
Compare 0 of 4Compare now