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API Process Intermediates & Related Compounds

2-Methoxy-1-pyrroline

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2-Methoxy-1-pyrroline (CAS 5264-35-7) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.

Pack sizes
2-Methoxy-1-pyrroline chemical structure
CAS number5264-35-7
FormulaC5H9NO
Molar mass99.13 g/mol
Physical formSolid
HS code2933
InChIKeyQYGNDKJRRNVSEC-UHFFFAOYSA-N
IUPAC name5-methoxy-3,4-dihydro-2H-pyrrole

About 2-Methoxy-1-pyrroline

Zemixal supplies 2-Methoxy-1-pyrroline within its pharma Intermediates & Building Blocks portfolio. For your records, the material is defined by CAS 5264-35-7, formula C5H9NO and molar mass 99.13 g/mol. It is handled as a solid.

Use cases we see most often

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Handling and storage

It carries the GHS signal word Warning (H226, H302, H312 and H315), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Tipiracil

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

Tipiracil standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 2-Methoxy-1-pyrroline
Product name2-Methoxy-1-pyrroline
Catalogue numberZX-042596
CAS number5264-35-7
IUPAC name5-methoxy-3,4-dihydro-2H-pyrrole
Molecular formulaC5H9NO
Molar mass99.13 g/mol
Exact mass99.0684
Physical formSolid
XLogP30.1
H-bond donors / acceptors0 / 2
Topological polar surface area21.6 Ų
HS code2933
InChIKeyQYGNDKJRRNVSEC-UHFFFAOYSA-N
SMILESCOC1=NCCC1
PubChem CID353443
Synonyms2H-Pyrrole, 3,4-dihydro-5-methoxy-, O-methylbutyrolactim, 2-Methoxy-1-pyrroline stabilized with Potassium hydroxide, 2-methoxy-4,5-dihydro-3H-pyrrole, 2-Methoxy-1-pyrrolidine, c-C4H6N(2-OCH3), 5-Methoxy-34-dihydro-2H-pyrrole

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

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H226Flammable liquid and vapor
  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H332Harmful if inhaled
  • H335May cause respiratory irritation

Precautionary statements P210, P233, P240, P241, P242, P243, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P303 + P361 + P353, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364

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 2-Methoxy-1-pyrroline
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 2-Methoxy-1-pyrroline

Which CAS number identifies 2-Methoxy-1-pyrroline?
2-Methoxy-1-pyrroline is registered under CAS 5264-35-7. You may also see it listed as 2H-Pyrrole, 3,4-dihydro-5-methoxy-, O-methylbutyrolactim, 2-Methoxy-1-pyrroline stabilized with Potassium hydroxide. Our catalogue number for this item is ZX-042596.
What are the formula and molar mass of 2-Methoxy-1-pyrroline?
For 2-Methoxy-1-pyrroline, its formula is C5H9NO and its molar mass is 99.13 g/mol. The systematic (IUPAC) name is 5-methoxy-3,4-dihydro-2H-pyrrole. InChIKey QYGNDKJRRNVSEC-UHFFFAOYSA-N lets you match it in any structure database.
How is 2-Methoxy-1-pyrroline used in pharmaceutical QC?
2-Methoxy-1-pyrroline is a characterised reference material linked to Tipiracil. 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 2-Methoxy-1-pyrroline?
The grade and assay are confirmed on the quotation and the batch COA. 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 2-Methoxy-1-pyrroline?
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 2-Methoxy-1-pyrroline to my country?
Yes. Because 2-Methoxy-1-pyrroline 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.

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