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

Methotrexate EP Impurity F

Synonyms: (R)-Methotrexate · Methotrexate - Impurity F (Freebase) · D-Amethopterin · D-Methotrexate

CAS No.51865-79-3
FormulaC20H22N8O5
Mol. weight454.40
Catalogue No.VQ-023093
PurityReference Standard
HSN38229090

Methotrexate EP Impurity F (CAS 51865-79-3) – Methotrexate impurity standard. C20H22N8O5, MW 454.4. COA included. Worldwide shipping from Vaqora Chemicals.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Methotrexate EP Impurity F

Vaqora Chemicals supplies Methotrexate EP Impurity F, a pharmacopeial impurity of Methotrexate registered under CAS number 51865-79-3. The compound has the formula C20H22N8O5, corresponding to a molecular weight of 454.4 g/mol. The IUPAC name is (2R)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioic acid. Alternative names: (R)-Methotrexate and Methotrexate - Impurity F (Freebase).

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. It carries the GHS signal word “Danger” with 7 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Methotrexate to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Methotrexate

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

Methotrexate impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameMethotrexate EP Impurity F
Catalogue No.VQ-023093
CAS Number51865-79-3
IUPAC name(2R)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioic acid
Molecular formulaC20H22N8O5
Molecular weight454.4 g/mol
Exact mass454.1713
GradeReference Standard
HSN code38229090
InChIKeyFBOZXECLQNJBKD-CYBMUJFWSA-N
SMILESCN(CC1=CN=C2C(=N1)C(=NC(=N2)N)N)C3=CC=C(C=C3)C(=O)N[C@H](CCC(=O)O)C(=O)O
PubChem CID72440
Physical properties
Physical formSolid
LogP (XLogP3)-1.8
H-bond donors / acceptors5 / 12
TPSA211 Ų
Synonyms(R)-Methotrexate, Methotrexate - Impurity F (Freebase), D-Amethopterin, D-Methotrexate, Methotrexate, (R)-, R-methotrexate, Methotrexate, d-, N-(4-(((2,4-Diamino-6-pteridinyl)methyl)methylamino)benzoyl)-D-glutamic acid, Glutamic acid, N-(p-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-, D-, D-glutamic acid, N-(4-(((2,4-diamino-6-pteridyl)methyl)methylamino)benzoyl)-, D-Glutamic acid, N-(4-(((2,4-diamino-6-pteridinyl)methyl)methylamino)benzoyl)-, (2R)-2-((4-((2,4-diaminopteridin-6-yl)methyl-methylamino)benzoyl)amino)pentanedioic acid

Safety & hazard information (GHS)

GHS06 Toxic
Toxic
GHS07 Harmful / irritant
Harmful / irritant
GHS08 Health hazard
Health hazard

Signal word: Danger

Hazard statements

  • H301Toxic if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H341Suspected of causing genetic defects
  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P203, P260, P264, P264 + P265, P270, P280, P301 + P316, P302 + P352, P305 + P351 + P338, P318, P319, P321, P330, 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 Methotrexate EP Impurity F?

The CAS Registry Number of Methotrexate EP Impurity F is 51865-79-3. It is also known as (R)-Methotrexate, Methotrexate - Impurity F (Freebase), D-Amethopterin.

What is the molecular formula and molecular weight of Methotrexate EP Impurity F?

Methotrexate EP Impurity F has the molecular formula C20H22N8O5 and a molecular weight of 454.4 g/mol. Its IUPAC name is (2R)-2-[[4-[(2,4-diaminopteridin-6-yl)methyl-methylamino]benzoyl]amino]pentanedioic acid.

What is Methotrexate EP Impurity F used for?

Methotrexate EP Impurity F is supplied as a characterised reference material related to Methotrexate. 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 Methotrexate EP Impurity F can I order?

We supply Methotrexate EP Impurity F 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 Methotrexate EP Impurity F?

Yes. Every lot of Methotrexate EP Impurity F 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 Methotrexate EP Impurity F be shipped internationally?

Yes. Methotrexate EP Impurity F 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.

Enquire about Methotrexate EP Impurity F

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Why buyers choose Vaqora

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