Dicloxacillin EP Impurity D

About Dicloxacillin EP Impurity D

Dicloxacillin EP Impurity D is a pharmacopeial impurity of Dicloxacillin carrying the CAS registry number 3919-76-4. Formula C11H7Cl2NO3, molecular weight 272.08 g/mol. Systematically, it is named 3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid. Common synonyms include Dicloxacillin Sodium - Impurity D.

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 “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Dicloxacillin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Dicloxacillin EP Impurity D 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 Dicloxacillin

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

Dicloxacillin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Dicloxacillin EP Impurity D
Catalogue No.	VQ-025300
CAS Number	3919-76-4
IUPAC name	3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid
Molecular formula	C₁₁H₇Cl₂NO₃
Molecular weight	272.08 g/mol
Exact mass	270.9803
Grade	Reference Standard
HSN code	38229090
InChIKey	WQXUUMUOERZZAE-UHFFFAOYSA-N
SMILES	CC1=C(C(=NO1)C2=C(C=CC=C2Cl)Cl)C(=O)O
PubChem CID	77521

Physical properties
Physical form	Solid
LogP (XLogP3)	3.2
H-bond donors / acceptors	1 / 4
TPSA	63.3 Å²
Synonyms	Dicloxacillin Sodium - Impurity D, 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid, 4-Isoxazolecarboxylic acid, 3-(2,6-dichlorophenyl)-5-methyl-, 3-(2,6-Dichlorophenyl)-5-methyl-4-isoxazolylcarboxylic Acid, 5-Methyl-3-(2',6'-dichlorophenyl)-4-isoxazolecarboxylic acid, 3-(2,6-Dichlorophenyl)-5-methyl-4-isoxazolecarboxylic acid, 3-(2,6-dichlorophenyl)-5-methylisoxazol-4-carboxylic acid, 3-(26-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid, 3-(2,6-dichloro-phenyl)-5-methyl-isoxazole-4-carboxylic acid, 3-(2,6-dichlorophenyl)-5-methyl-isoxazole-4-carboxylic acid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Dicloxacillin EP Impurity D?

The CAS Registry Number of Dicloxacillin EP Impurity D is 3919-76-4. It is also known as Dicloxacillin Sodium - Impurity D, 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid, 4-Isoxazolecarboxylic acid, 3-(2,6-dichlorophenyl)-5-methyl-.

What is the molecular formula and molecular weight of Dicloxacillin EP Impurity D?

Dicloxacillin EP Impurity D has the molecular formula C11H7Cl2NO3 and a molecular weight of 272.08 g/mol. Its IUPAC name is 3-(2,6-dichlorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid.

What is Dicloxacillin EP Impurity D used for?

Dicloxacillin EP Impurity D is supplied as a characterised reference material related to Dicloxacillin. 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 Dicloxacillin EP Impurity D can I order?

We supply Dicloxacillin EP Impurity D 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 Dicloxacillin EP Impurity D?

Yes. Every lot of Dicloxacillin EP Impurity D 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 Dicloxacillin EP Impurity D be shipped internationally?

Yes. Dicloxacillin EP Impurity D 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.