Clotrimazole EP Impurity A

Name: Clotrimazole EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-022242

About Clotrimazole EP Impurity A

Clotrimazole EP Impurity A (CAS 66774-02-5) is a pharmacopeial impurity of Clotrimazole offered by Vaqora Chemicals. With the molecular formula C19H15ClO, it has a molar mass of 294.8 g/mol. Systematically, it is named (2-chlorophenyl)-diphenylmethanol. It is also known as Clotrimazole EP Impurity A (Free Base) or Clotrimazole - Impurity A.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

This Clotrimazole impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Clotrimazole EP Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Clotrimazole

View every impurity, metabolite and intermediate we list for Clotrimazole.

Clotrimazole impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Clotrimazole EP Impurity A
Catalogue No.	VQ-022242
CAS Number	66774-02-5
IUPAC name	(2-chlorophenyl)-diphenylmethanol
Molecular formula	C₁₉H₁₅ClO
Molecular weight	294.8 g/mol
Exact mass	294.0811
Grade	Reference Standard
HSN code	38229090
InChIKey	KTVAHLGKTSPDOG-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)C(C2=CC=CC=C2)(C3=CC=CC=C3Cl)O
PubChem CID	298659

Physical properties
Physical form	Solid
LogP (XLogP3)	4.7
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
Synonyms	Clotrimazole EP Impurity A (Free Base), Clotrimazole - Impurity A, (2-Chlorophenyl)diphenylmethanol, TRAM 3, o-Chlorophenyldiphenylmethanol, Benzenemethanol, 2-chloro-alpha,alpha-diphenyl-, TRAM-3, MDK-4025, (2-chlorophenyl)-diphenyl-methanol, (o-Chlorophenyl)diphenylmethanol, 2-chlorotrityl alcohol, Clotrimazol Impureza A

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H335May cause respiratory irritation
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P330, P332 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Clotrimazole EP Impurity A?

The CAS Registry Number of Clotrimazole EP Impurity A is 66774-02-5. It is also known as Clotrimazole EP Impurity A (Free Base), Clotrimazole - Impurity A, (2-Chlorophenyl)diphenylmethanol.

What is the molecular formula and molecular weight of Clotrimazole EP Impurity A?

Clotrimazole EP Impurity A has the molecular formula C19H15ClO and a molecular weight of 294.8 g/mol. Its IUPAC name is (2-chlorophenyl)-diphenylmethanol.

What is Clotrimazole EP Impurity A used for?

Clotrimazole EP Impurity A is supplied as a characterised reference material related to Clotrimazole. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Clotrimazole EP Impurity A can I order?

We supply Clotrimazole EP Impurity A in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Clotrimazole EP Impurity A?

Yes. Every lot of Clotrimazole EP Impurity A is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Clotrimazole EP Impurity A be shipped internationally?

Yes. Clotrimazole EP Impurity A is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.