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1336500

USP

Imidazol

United States Pharmacopeia (USP) Reference Standard

Synonym(e):

1,3-Diaza-2,4-cyclopentadien, Glyoxalin

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About This Item

Empirische Formel (Hill-System):
C3H4N2
CAS-Nummer:
288-32-4
Molekulargewicht:
68.08
Beilstein:
103853
MDL-Nummer:
MFCD00005183
UNSPSC-Code:
41116107
PubChem Substanz-ID:
329750151
NACRES:
NA.24

Qualität

pharmaceutical primary standard

Dampfdruck

<1 mmHg ( 20 °C)

API-Familie

imidazole

Hersteller/Markenname

USP

pKa (25 °C)

6.95

bp

256 °C (lit.)

mp (Schmelzpunkt)

88-91 °C (lit.)

Anwendung(en)

pharmaceutical (small molecule)

Format

neat

SMILES String

c1c[nH]cn1

InChI

1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)

InChIKey

RAXXELZNTBOGNW-UHFFFAOYSA-N

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Allgemeine Beschreibung

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.

Anwendung

Imidazole USP reference standard suitable for use in specified USP compendial quality tests and assays.

Also used to prepare standard, system suitability, and system suitability stock solution for impurity analysis by using liquid chromatography in conjunction with UV detector in accordance with the given below monographs of United States Pharmacopeia (USP) :
  • Clotrimazole Topical Solution
  • Perindopril Erbumine
  • Moexipril Hydrochloride
  • Clotrimazole Vaginal Inserts
Hervorragend geeignet für Puffer im pH-Bereich von 6,2–7,8

Hinweis zur Analyse

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Sonstige Hinweise

Sales restrictions may apply.

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Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Corr. 1C

Lagerklassenschlüssel

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flammpunkt (°F)

293.0 °F - closed cup

Flammpunkt (°C)

145 °C - closed cup

Zulassungslistungen

Zulassungslistungen werden hauptsächlich für chemische Produkte erstellt. Für nicht-chemische Produkte können hier nur begrenzte Angaben gemacht werden. Kein Eintrag bedeutet, dass keine der Komponenten gelistet ist. Es liegt in der Verantwortung des Benutzers, die sichere und legale Verwendung des Produkts zu gewährleisten.

EU REACH Annex XVII (Restriction List)

CAS No.

Analysenzertifikate (COA)

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Sigma-Aldrich

56748

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Sigma-Aldrich

I2399

Imidazol

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Sigma-Aldrich

I5513

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Protokolle

Sildenafil Citrate USP Method Using HPTLC Plates for the Limit of Imidazole Test

In the present study we demonstrate compliance of silica gel 60 F254 HPTLC plates with USP requirements, and how HPTLC plates are suitable for the Sildenafil citrate-Limit of Imidazole test.

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