N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide

Name: N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide
Brand: Zemixal
SKU: ZX-022109

Reference StandardAvailable on request

Buy N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide (CAS 73829-38-6) from Zemixal…

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N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide chemical structure

CAS number73829-38-6

FormulaC₁₂H₁₄N₄O₂

Molar mass246.27 g/mol

Physical formSolid

HS code38229090

InChIKeyPJVMURIFUSQEOU-UHFFFAOYSA-N

IUPAC nameN-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-N-methylnitrous amide

About N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide

Analytical teams working on Metamizole use N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 73829-38-6, formula C12H14N4O2 and molar mass 246.27 g/mol. It is handled as a solid.

Common uses in the lab and plant

Nitrosamine risk assessment
Trace LC-MS/MS quantitation
Method validation (AMV)
Regulatory submissions

Handling and storage

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with 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

Nitrosamine risk assessment
Trace LC-MS/MS quantitation
Method validation (AMV)
Regulatory submissions

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide
Product name	N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide
Catalogue number	ZX-022109
CAS number	73829-38-6
IUPAC name	N-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-N-methylnitrous amide
Molecular formula	C₁₂H₁₄N₄O₂
Molar mass	246.27 g/mol
Exact mass	246.1117
Grade	Reference Standard
Physical form	Solid
XLogP3	0.7
H-bond donors / acceptors	0 / 5
Topological polar surface area	56.2 Å²
HS code	38229090
InChIKey	PJVMURIFUSQEOU-UHFFFAOYSA-N
SMILES	CC1=C(C(=O)N(N1C)C2=CC=CC=C2)N(C)N=O
PubChem CID	126438
Synonyms	4-(N-Methyl-N-nitroso)aminoantipyrine, N-nitrosomethylaminoantipyrine, N-nitroso-methylaminoantipyrine, N-NMAA, 1,2-Dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl-3H-pyrazol-3-one, 4-Nitroso-N-methylaminoantipyrine, Antipyrine, 4-(methylnitrosamino)-, 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-4-(methylnitrosoamino)-2-phenyl-

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

Safety and GHS hazards

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 N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide

Which CAS number identifies N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide?

N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide is registered under CAS 73829-38-6. You may also see it listed as 4-(N-Methyl-N-nitroso)aminoantipyrine, N-nitrosomethylaminoantipyrine, N-nitroso-methylaminoantipyrine. Our catalogue number for this item is ZX-022109.

What are the formula and molar mass of N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide?

For N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide, its formula is C12H14N4O2 and its molar mass is 246.27 g/mol. The systematic (IUPAC) name is N-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-N-methylnitrous amide. InChIKey PJVMURIFUSQEOU-UHFFFAOYSA-N lets you match it in any structure database.

How is N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide used in pharmaceutical QC?

N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide 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 N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide?

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 N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide?

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 N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide to my country?

Yes. Because N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide 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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