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API Reference Standards

Metamizole Sodium Monohydrate

Reference StandardAvailable on request

Metamizole Sodium Monohydrate (CAS 5907-38-0) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Metamizole Sodium Monohydrate chemical structure
CAS number5907-38-0
FormulaC13H18N3NaO5S
Molar mass351.36 g/mol
Physical formSolid
HS code38229090
InChIKeyUNZIDPIPYUMVPA-UHFFFAOYSA-M
IUPAC namesodium;[(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-methylamino]methanesulfonate;hydrate

About Metamizole Sodium Monohydrate

Zemixal lists Metamizole Sodium Monohydrate for laboratories that identify, quantify or control Metamizole and its related substances. Identity at a glance (Reference Standard): CAS 5907-38-0, formula C13H18N3NaO5S and molar mass 351.36 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Identification & assay
  • Method development & validation
  • QC reference material

Safe handling

Hazard communication follows GHS (Warning: H361 and H413). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. 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 Metamizole

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

Metamizole standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Metamizole Sodium Monohydrate
Product nameMetamizole Sodium Monohydrate
Catalogue numberZX-030518
CAS number5907-38-0
IUPAC namesodium;[(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-methylamino]methanesulfonate;hydrate
Molecular formulaC13H18N3NaO5S
Molar mass351.36 g/mol
Exact mass351.0865
GradeReference Standard
Physical formSolid
H-bond donors / acceptors1 / 7
Topological polar surface area93.4 Ų
HS code38229090
InChIKeyUNZIDPIPYUMVPA-UHFFFAOYSA-M
SMILESCC1=C(C(=O)N(N1C)C2=CC=CC=C2)N(C)CS(=O)(=O)[O-].O.[Na+]
PubChem CID23674183
Synonymssulpyrine, Metamizole sodium hydrate, Dipyron hydrate, Dipyrone monohydrate, Metamizol monohydrate, Novaldin, Dipyrone hydrate, Dipyrone sodium hydrate, Sulpyrine hydrate, Methampyrone, Metamizol Sodium Monohydrate, Dipyrone (USAN)

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Warning

  • H361Suspected of damaging fertility or the unborn child
  • H413May cause long lasting harmful effects to aquatic life

Precautionary statements P203, P273, P280, P318, 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 Metamizole Sodium 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 Metamizole Sodium Monohydrate

Which CAS number identifies Metamizole Sodium Monohydrate?
Metamizole Sodium Monohydrate is registered under CAS 5907-38-0. You may also see it listed as sulpyrine, Metamizole sodium hydrate, Dipyron hydrate. Our catalogue number for this item is ZX-030518.
What are the formula and molar mass of Metamizole Sodium Monohydrate?
For Metamizole Sodium Monohydrate, its formula is C13H18N3NaO5S and its molar mass is 351.36 g/mol. InChIKey UNZIDPIPYUMVPA-UHFFFAOYSA-M lets you match it in any structure database.
How is Metamizole Sodium Monohydrate used in pharmaceutical QC?
Metamizole Sodium Monohydrate is a characterised reference material linked to Metamizole. 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 Metamizole Sodium 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 Metamizole Sodium 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 Metamizole Sodium Monohydrate to my country?
Yes. Because Metamizole Sodium Monohydrate 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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