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M0600905

Metamizole impurity A

European Pharmacopoeia (EP) Reference Standard

Sinónimos:

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

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About This Item

Fórmula empírica (notación de Hill):
C12H13N3O2
Número de CAS:
1672-58-8
Peso molecular:
231.25
Beilstein/REAXYS Number:
217665
MDL number:
MFCD00085457
UNSPSC Code:
41116107
PubChem Substance ID:
329817810
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

metamizole

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

CN1N(C(=O)C(NC=O)=C1C)c2ccccc2

InChI

1S/C12H13N3O2/c1-9-11(13-8-16)12(17)15(14(9)2)10-6-4-3-5-7-10/h3-8H,1-2H3,(H,13,16)

InChI key

WSJBSKRPKADYRQ-UHFFFAOYSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Metamizole impurity A EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

Related product

Referencia del producto
Descripción
Precios

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Metamizole Impurity B, Pharmaceutical Secondary Standard; Certified Reference Material, certified reference material, pharmaceutical secondary standard, pkg of 100 mg

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Metamizole Impurity D, Pharmaceutical Secondary Standard; Certified Reference Material, certified reference material, pharmaceutical secondary standard, pkg of 100 mg

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number

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4-Aminoantipyrine analytical standard

Supelco

43827

4-Aminoantipyrine

4-Dimethylaminoantipyrine reactive nitrogen species scavenger

Sigma-Aldrich

D8015

4-Dimethylaminoantipyrine

4-Aminoantipyrine puriss. p.a., reag. Ph. Eur., ≥99%

Sigma-Aldrich

33528

4-Aminoantipyrine

4-Aminoantipyrine reagent grade

Sigma-Aldrich

A4382

4-Aminoantipyrine

K Inoue et al.
Journal of chromatography, 274, 201-208 (1983-05-13)
Aminopyrine and its metabolites, including 3-hydroxymethyl-2-methyl-4-dimethylamino-1-phenyl-3-pyrazoline-5-one which is a hydroxylated metabolite of aminopyrine, were separated on a reversed-phase (C8) Radial-Pak column using a mobile phase of methanol-triethylamine-water (30:1:69) adjusted to pH 5.40 with acetic acid. Detection of the peak was
I Carretero et al.
The Analyst, 120(6), 1729-1732 (1995-06-01)
A rapid solid-phase extraction (SPE) procedure was developed for the quantitative isolation of three important antipyrine (dipyrone) metabolites from human plasma: 4-formylaminoantipyrine (FAA), 4-aminoantipyrine (AA) and 4-methylaminoantipyrine (MAA). Separation and quantitation were performed using micellar liquid chromatography (MLC) with a
M Levy et al.
European journal of clinical pharmacology, 27(4), 453-458 (1984-01-01)
The pharmacokinetics of the dipyrone metabolites 4-methylaminoantipyrine (MAA), 4-aminoantipyrine (AA), 4-formylaminoantipyrine (FAA) and 4-acetylaminoantipyrine (AAA) were evaluated following the administration of a single oral 1.0 g dose of dipyrone to 23 healthy volunteers. Twelve were slow and 11 were rapid
Y Matzner et al.
European journal of clinical investigation, 14(6), 440-443 (1984-12-01)
Dipyrone metabolites 4-methylaminoantipyrine (MAA) and 4-formylaminoantipyrine (FAA) as well as acetylsalicylic acid inhibited neutrophil migration toward zymosan-activated serum. Inhibition was maximal (76.8 +/- 19.0; 79.2 +/- 12.5 and 80.0 +/- 4.4%, respectively, P less than 0.003) when suboptimal concentrations (0.3%)
M Levy et al.
European journal of clinical pharmacology, 57(6-7), 461-465 (2001-11-09)
We previously found that, compared with healthy subjects. asymptomatic hepatitis-B virus (HBV) carriers displaying slow acetylator phenotype demonstrate a significant prolongation of the elimination half-life of 4-methylaminoantipyrine (MAA) and a decrease in the clearance of formation of 4-aminoantipyrine (AA) and
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