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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 sodium, European Pharmacopoeia (EP) Reference Standard

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Metamizole impurity E, European Pharmacopoeia (EP) Reference Standard

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Metamizole Sodium, Pharmaceutical Secondary Standard; Certified Reference Material

PHR2784

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

PHR2785

Metamizole Impurity C, certified reference material, pharmaceutical secondary standard

PHR2786

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

Lo sentimos, en este momento no disponemos de COAs para este producto en línea.

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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

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
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
K Matsuyama et al.
Journal of pharmacobio-dynamics, 6(11), 821-828 (1983-11-01)
The effect of phenobarbital (PB) and 3-methylcholanthrene (3-MC) on the metabolic behavior of aminopyrine (AM) was studied using an isolated hepatocyte system prepared from male Wistar rats. The formation of 4-formylaminoantipyrine (FAA) was increased after pretreatment with PB, but not
S Imaoka et al.
Archives of biochemistry and biophysics, 265(1), 159-170 (1988-08-15)
Four aminopyrine metabolites generated by hepatic microsomes were simultaneously assayed by high-performance liquid chromatography. The metabolites were 4-monomethylaminoantipyrine (MAA), 4-aminoantipyrine (AA), 3-hydroxymethyl-2-methyl-4-dimethylamino-1-phenyl-3-pyrazoline-5-one (AM-OH), and one unidentified metabolite. MAA was the major metabolite generated by the microsomes; its formation was induced
Y Caraco et al.
Arzneimittel-Forschung, 43(11), 1204-1208 (1993-11-01)
Plasma and saliva pharmacokinetics of dipyrone (CAS 5907-38-0) metabolites, 4-methylaminoantipyrine (MAA), 4-aminoantipyrine (AA), 4-formylaminoantipyrine (FAA) and 4-acetylaminoantipyrine (AAA), has been studied in 10 healthy volunteers, after oral administration of 1.0 g dipyrone, MAA, AA, FAA and AAA saliva concentrations correlated
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