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Metabolites & Degradation Products

O-Desmethyl Indomethacin

Reference StandardAvailable on request

Buy O-Desmethyl Indomethacin (CAS 2504-32-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-021880.

Pack sizes
O-Desmethyl Indomethacin chemical structure
CAS number2504-32-7
FormulaC18H14ClNO4
Molar mass343.8 g/mol
Physical formSolid
HS code38229090
InChIKeyKMLNWQPYFBIALN-UHFFFAOYSA-N
IUPAC name2-[1-(4-chlorobenzoyl)-5-hydroxy-2-methylindol-3-yl]acetic acid

About O-Desmethyl Indomethacin

Zemixal lists O-Desmethyl Indomethacin for laboratories that identify, quantify or control Indomethacin and its related substances. Key data (Reference Standard): CAS 2504-32-7, formula C18H14ClNO4 and molar mass 343.8 g/mol. It is handled as a solid.

Typical applications

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Handling and storage

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. 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 Indomethacin

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

Indomethacin standards

Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of O-Desmethyl Indomethacin
Product nameO-Desmethyl Indomethacin
Catalogue numberZX-021880
CAS number2504-32-7
IUPAC name2-[1-(4-chlorobenzoyl)-5-hydroxy-2-methylindol-3-yl]acetic acid
Molecular formulaC18H14ClNO4
Molar mass343.8 g/mol
Exact mass343.0611
GradeReference Standard
Physical formSolid
XLogP33.9
H-bond donors / acceptors2 / 4
Topological polar surface area79.5 Ų
HS code38229090
InChIKeyKMLNWQPYFBIALN-UHFFFAOYSA-N
SMILESCC1=C(C2=C(N1C(=O)C3=CC=C(C=C3)Cl)C=CC(=C2)O)CC(=O)O
PubChem CID159665
Synonyms5-Hydroxyindomethacin, Desmethyl-indomethacin, 1-(4-Chlorobenzoyl)-5-hydroxy-2-methyl-1H-indole-3-acetic Acid, 1H-Indole-3-acetic acid, 1-(4-chlorobenzoyl)-5-hydroxy-2-methyl-, Indole-3-acetic acid, 1-(p-chlorobenzoyl)-5-hydroxy-2-methyl-, Demethylindomethacin, 5-Hydroxy indomethacin, Desmethylindomethacin, 1-(4-chlorobenzoyl)-5-hydroxy-2-methyl-3-indoleacetic acid, 1-(p-Chlorobenzoyl)-5-hydroxy-2-methylindole-3-acetic acid, 1H-Indole-3-aceticacid, 1-(4-chlorobenzoyl)-5-hydroxy-2-methyl-

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

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 O-Desmethyl Indomethacin
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 O-Desmethyl Indomethacin

Which CAS number identifies O-Desmethyl Indomethacin?
O-Desmethyl Indomethacin is registered under CAS 2504-32-7. You may also see it listed as 5-Hydroxyindomethacin, Desmethyl-indomethacin, 1-(4-Chlorobenzoyl)-5-hydroxy-2-methyl-1H-indole-3-acetic Acid. Our catalogue number for this item is ZX-021880.
What are the formula and molar mass of O-Desmethyl Indomethacin?
For O-Desmethyl Indomethacin, its formula is C18H14ClNO4 and its molar mass is 343.8 g/mol. The systematic (IUPAC) name is 2-[1-(4-chlorobenzoyl)-5-hydroxy-2-methylindol-3-yl]acetic acid. InChIKey KMLNWQPYFBIALN-UHFFFAOYSA-N lets you match it in any structure database.
How is O-Desmethyl Indomethacin used in pharmaceutical QC?
O-Desmethyl Indomethacin is a characterised reference material linked to Indomethacin. 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 O-Desmethyl Indomethacin?
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 O-Desmethyl Indomethacin?
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 O-Desmethyl Indomethacin to my country?
Yes. Because O-Desmethyl Indomethacin 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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