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Key Documents

PHR1183

Supelco

2-Chlorobenzophenone

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

2-Chlorobenzophenone(Clotrimazole Impurity E)

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About This Item

Linear Formula:
ClC6H4COC6H5
CAS Number:
Molecular Weight:
216.66
EC Number:
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:

grade

certified reference material
pharmaceutical secondary standard

Quality Level

agency

traceable to Ph. Eur. Y0000279

API family

clotrimazole

CofA

current certificate can be downloaded

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

bp

330 °C (lit.)

mp

44-47 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-30°C

SMILES string

Clc1ccccc1C(=O)c2ccccc2

InChI

1S/C13H9ClO/c14-12-9-5-4-8-11(12)13(15)10-6-2-1-3-7-10/h1-9H

InChI key

VMHYWKBKHMYRNF-UHFFFAOYSA-N

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General description

Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards. Thermodynamics of formation of inclusion complex between 2-chlorobenzophenone and cyclomaltoheptaose (β-cyclodextrin) has been investigated by UV-Thermodynamics of formation of inclusion complex between 2-chlorobenzophenone and cyclomaltoheptaose (β-cyclodextrin) has been investigated by UV-Vis spectroscopy and reversed-phase liquid chromatography. 2-Chlorobenzophenone undergoes reduction in the presence of LiAlH4 and (R)-(-)-2-(2-iso-indolinyl)butan-1-ol to afford the corresponding benzhydrols is spectroscopy and reversed-phase liquid chromatography. 2-Chlorobenzophenone undergoes reduction in the presence of LiAlH4 and (R)-(-)-2-(2-iso-indolinyl)butan-1-ol to afford the corresponding benzhydrols.

Application

These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Analysis Note

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

Other Notes

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Footnote

To see an example of a Certificate of Analysis for this material enter LRAA9002 in the slot below. This is an example certificate only and may not be the lot that you receive.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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