Metamizole Sodium

Name: Metamizole Sodium
Brand: Vaqora Chemicals
SKU: VQ-031806

About Metamizole Sodium

Listed under CAS 68-89-3, Metamizole Sodium is a high-purity reference standard of Metamizole available from Vaqora Chemicals. The compound has the formula C13H16N3NaO4S, corresponding to a molecular weight of 333.34 g/mol. The IUPAC name is sodium [(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-methylamino]methanesulfonate. Alternative names: Dipyrone Sodium Salt and Methylmelubrin.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Metamizole standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Metamizole Sodium in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Metamizole

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

Metamizole impurities

Specifications & identifiers

Chemical identifiers
Product name	Metamizole Sodium
Catalogue No.	VQ-031806
CAS Number	68-89-3
IUPAC name	sodium [(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-methylamino]methanesulfonate
Molecular formula	C₁₃H₁₆N₃NaO₄S
Molecular weight	333.34 g/mol
Exact mass	333.0759
Grade	Reference Standard
HSN code	38229090
InChIKey	DJGAAPFSPWAYTJ-UHFFFAOYSA-M
SMILES	CC1=C(C(=O)N(N1C)C2=CC=CC=C2)N(C)CS(=O)(=O)[O-].[Na+]
PubChem CID	522325

Physical properties
Physical form	Solid
H-bond donors / acceptors	0 / 6
TPSA	92.4 Å²
Synonyms	Dipyrone Sodium Salt, Methylmelubrin, Neomelurbrin, Algocalmin, Aminopyrine sodium sulfonate, Metamizolum natricum, Dipyrone anhydrous, Metamizole sodique, Noraminophenazone sodium mesylate, Noramidopyrine methanesulfonate sodium, Sodium noramidopyrine methanesulfonate, Sodium methylaminoantipyrine methanesulfonate

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H361Suspected of damaging fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P203, P233, P260, P261, P264, P270, P271, P272, P273, P280, P284, P301 + P317, P302 + P352, P304 + P340, P318, P319, P321, P330, P333 + P317, P342 + P316, P362 + P364, P391, P403, P405

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Metamizole Sodium?

The CAS Registry Number of Metamizole Sodium is 68-89-3. It is also known as Dipyrone Sodium Salt, Methylmelubrin, Neomelurbrin.

What is the molecular formula and molecular weight of Metamizole Sodium?

Metamizole Sodium has the molecular formula C13H16N3NaO4S and a molecular weight of 333.34 g/mol. Its IUPAC name is sodium [(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-methylamino]methanesulfonate.

What is Metamizole Sodium used for?

Metamizole Sodium is supplied as a characterised reference material related to Metamizole. 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 Metamizole Sodium can I order?

We supply Metamizole Sodium 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 Metamizole Sodium?

Yes. Every lot of Metamizole Sodium 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 Metamizole Sodium be shipped internationally?

Yes. Metamizole Sodium 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.