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Pharmacopeial Impurities (EP / USP / BP)

Methotrexate EP Impurity B (MonoHydrate)

Reference StandardAvailable on request

Order Methotrexate EP Impurity B (MonoHydrate) (CAS 1217459-90-9) online at Zemixal: C19H22N8O6, COA and SDS with every lot, worldwide shipping.

Pack sizes
Methotrexate EP Impurity B (MonoHydrate) chemical structure
CAS number1217459-90-9
FormulaC19H22N8O6
Molar mass458.4 g/mol
Physical formSolid
HS code38229090
InChIKeyUCQHQSNBTVOVLR-UHFFFAOYSA-N
IUPAC name2-[[4-[(2,4-diaminopteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid;hydrate

About Methotrexate EP Impurity B (MonoHydrate)

Methotrexate EP Impurity B (MonoHydrate) is supplied by Zemixal as a characterised reference material for Methotrexate analysis. For your records (Reference Standard), the material is defined by CAS 1217459-90-9, formula C19H22N8O6 and molar mass 458.4 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

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Methotrexate

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

Methotrexate standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Methotrexate EP Impurity B (MonoHydrate)
Product nameMethotrexate EP Impurity B (MonoHydrate)
Catalogue numberZX-030542
CAS number1217459-90-9
IUPAC name2-[[4-[(2,4-diaminopteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid;hydrate
Molecular formulaC19H22N8O6
Molar mass458.4 g/mol
Exact mass458.1662
GradeReference Standard
Physical formSolid
H-bond donors / acceptors7 / 13
Topological polar surface area220 Ų
HS code38229090
InChIKeyUCQHQSNBTVOVLR-UHFFFAOYSA-N
SMILESC1=CC(=CC=C1C(=O)NC(CCC(=O)O)C(=O)O)NCC2=CN=C3C(=N2)C(=NC(=N3)N)N.O
PubChem CID45157549
SynonymsMethotrexate EP Impurity B Hydrate, Methotrexate Hydrate EP Impurity B, (4-(((2,4-Diaminopteridin-6-yl)methyl)amino)benzoyl)glutamic acid hydrate

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Methotrexate EP Impurity B (MonoHydrate)
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 Methotrexate EP Impurity B (MonoHydrate)

Which CAS number identifies Methotrexate EP Impurity B (MonoHydrate)?
Methotrexate EP Impurity B (MonoHydrate) is registered under CAS 1217459-90-9. You may also see it listed as Methotrexate EP Impurity B Hydrate, Methotrexate Hydrate EP Impurity B, (4-(((2,4-Diaminopteridin-6-yl)methyl)amino)benzoyl)glutamic acid hydrate. Our catalogue number for this item is ZX-030542.
What are the formula and molar mass of Methotrexate EP Impurity B (MonoHydrate)?
For Methotrexate EP Impurity B (MonoHydrate), its formula is C19H22N8O6 and its molar mass is 458.4 g/mol. InChIKey UCQHQSNBTVOVLR-UHFFFAOYSA-N lets you match it in any structure database.
How is Methotrexate EP Impurity B (MonoHydrate) used in pharmaceutical QC?
Methotrexate EP Impurity B (MonoHydrate) is a characterised reference material linked to Methotrexate. 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 Methotrexate EP Impurity B (MonoHydrate)?
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 Methotrexate EP Impurity B (MonoHydrate)?
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 Methotrexate EP Impurity B (MonoHydrate) to my country?
Yes. Methotrexate EP Impurity B (MonoHydrate) ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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