Flucloxacillin EP Impurity D

Name: Flucloxacillin EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-022654

About Flucloxacillin EP Impurity D

Listed under CAS 3919-74-2, Flucloxacillin EP Impurity D is a pharmacopeial impurity of Flucloxacillin available from Vaqora Chemicals. Formula C11H7ClFNO3, molecular weight 255.63 g/mol. Its systematic (IUPAC) name is 3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid. Alternative names: Fcimic acid.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

This Flucloxacillin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Flucloxacillin EP Impurity D in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Flucloxacillin

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

Flucloxacillin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Flucloxacillin EP Impurity D
Catalogue No.	VQ-022654
CAS Number	3919-74-2
IUPAC name	3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid
Molecular formula	C₁₁H₇ClFNO₃
Molecular weight	255.63 g/mol
Exact mass	255.0098
Grade	Reference Standard
HSN code	38229090
InChIKey	REIPZLFZMOQHJT-UHFFFAOYSA-N
SMILES	CC1=C(C(=NO1)C2=C(C=CC=C2Cl)F)C(=O)O
PubChem CID	77520

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	1 / 5
TPSA	63.3 Å²
Synonyms	Flucloxacillin Sodium Monohydrate - Impurity D, 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic acid, 4-isoxazolecarboxylic acid, 3-(2-chloro-6-fluorophenyl)-5-methyl-, 3-(2-Chloro-6-fluorophenyl)-5-methyl-4-isoxazolecarboxic Acid, Fcimic acid, 3-(2-chloro-6-fluorophenyl)-5-methyl-4-isoxazolecarboxylic acid, 3-(2-Chloro-6-fluorophenyl)5-methylisoxazole-4-carboxylic acid, 3-(2-chloro-6-fluoro-phenyl)-5-methyl-isoxazole-4-carboxylic acid, 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carbonitrile-4-carboxylicacid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + 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 Flucloxacillin EP Impurity D?

The CAS Registry Number of Flucloxacillin EP Impurity D is 3919-74-2. It is also known as Flucloxacillin Sodium Monohydrate - Impurity D, 3-(2-Chloro-6-fluorophenyl)-5-methylisoxazole-4-carboxylic acid, 4-isoxazolecarboxylic acid, 3-(2-chloro-6-fluorophenyl)-5-methyl-.

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

Flucloxacillin EP Impurity D has the molecular formula C11H7ClFNO3 and a molecular weight of 255.63 g/mol. Its IUPAC name is 3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylic acid.

What is Flucloxacillin EP Impurity D used for?

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

We supply Flucloxacillin 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 Flucloxacillin EP Impurity D?

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

Yes. Flucloxacillin 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.