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1336500

USP

Imidazole

United States Pharmacopeia (USP) Reference Standard

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Synonym(s):
1,3-Diaza-2,4-cyclopentadiene, Glyoxaline
Empirical Formula (Hill Notation):
C3H4N2
CAS Number:
Molecular Weight:
68.08
Beilstein:
103853
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

vapor pressure

<1 mmHg ( 20 °C)

API family

imidazole

manufacturer/tradename

USP

pKa (25 °C)

6.95

bp

256 °C (lit.)

mp

88-91 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

c1c[nH]cn1

InChI

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

InChI key

RAXXELZNTBOGNW-UHFFFAOYSA-N

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This Item
I551356749I202
Imidazole United States Pharmacopeia (USP) Reference Standard

USP

1336500

Imidazole

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Imidazole for molecular biology, &#8805;99% (titration)

Sigma-Aldrich

I5513

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-
Imidazole BioUltra, &#8805;99.5% (GC)

Sigma-Aldrich

56749

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Premium Grade
Imidazole ReagentPlus&#174;, 99%

Sigma-Aldrich

I202

Imidazole

-
manufacturer/tradename

USP

manufacturer/tradename

-

manufacturer/tradename

-

manufacturer/tradename

-

application(s)

pharmaceutical (small molecule)

application(s)

diagnostic assay manufacturing

application(s)

-

application(s)

-

format

neat

format

-

format

-

format

-

vapor pressure

<1 mmHg ( 20 °C)

vapor pressure

<1 mmHg ( 20 °C)

vapor pressure

<1 mmHg ( 20 °C)

vapor pressure

<1 mmHg ( 20 °C)

API family

imidazole

API family

-

API family

-

API family

-

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

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
Excellent for buffers in the range of pH 6.2-7.8

Analysis Note

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.  ​

Other Notes

Sales restrictions may apply.

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

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

WGK

WGK 2

Flash Point(F)

293.0 °F - closed cup

Flash Point(C)

145 °C - closed cup


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Protocols

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.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

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