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About This Item
Empirical Formula (Hill Notation):
C12H13N3O2
CAS Number:
Molecular Weight:
231.25
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
217665
Product Name
Metamizole impurity A, European Pharmacopoeia (EP) Reference Standard
InChI key
WSJBSKRPKADYRQ-UHFFFAOYSA-N
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)
grade
pharmaceutical primary standard
API family
metamizole
manufacturer/tradename
EDQM
application(s)
pharmaceutical (small molecule)
format
neat
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Application
Metamizole impurity A EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.
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.
Other Notes
Sales restrictions may apply.
Packaging
The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.
signalword
Warning
hcodes
pcodes
Hazard Classifications
Acute Tox. 4 Oral
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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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
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
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
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
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