Oxacillin

Name: Oxacillin
Brand: Vaqora Chemicals
SKU: VQ-044185

About Oxacillin

Vaqora Chemicals supplies Oxacillin, a high-purity reference standard of Oxacillin registered under CAS number 66-79-5. Formula C19H19N3O5S, molecular weight 401.4 g/mol. It is also known as Oxazocillin or Oxazocilline.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Laboratories use this Oxacillin standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Oxacillin

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

Oxacillin impurities

Specifications & identifiers

Chemical identifiers
Product name	Oxacillin
Catalogue No.	VQ-044185
CAS Number	66-79-5
IUPAC name	(2S,5R,6R)-3,3-dimethyl-6-[(5-methyl-3-phenyl-1,2-oxazole-4-carbonyl)amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Molecular formula	C₁₉H₁₉N₃O₅S
Molecular weight	401.4 g/mol
Exact mass	401.1045
Grade	Reference Standard
HSN code	38229090
InChIKey	UWYHMGVUTGAWSP-JKIFEVAISA-N
SMILES	CC1=C(C(=NO1)C2=CC=CC=C2)C(=O)N[C@H]3[C@@H]4N(C3=O)[C@H](C(S4)(C)C)C(=O)O
PubChem CID	6196

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	2 / 7
TPSA	138 Å²
Synonyms	Oxazocillin, Oxazocilline, Oxacilline, 5-Methyl-3-phenyl-4-isoxazolyl-penicillin, Staphcillin V, (5-methyl-3-phenyl-4-isoxazolyl)penicillin, 6beta-(5-methyl-3-phenylisoxazol-4-yl)penicillanic acid, Methylphenylisoxazolyl Penicillin, Penicillin, Methylphenylisoxazolyl, Oxacillin, Monosodium Salt, Anhydrous, Oxacillin, Sodium, Sodium, Oxacillin

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation

Precautionary statements: P233, P260, P261, P264, P264 + P265, P271, P272, P280, P284, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P333 + P317, P337 + P317, P342 + P316, P362 + P364, P403, 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 Oxacillin?

The CAS Registry Number of Oxacillin is 66-79-5. It is also known as Oxazocillin, Oxazocilline, Oxacilline.

What is the molecular formula and molecular weight of Oxacillin?

Oxacillin has the molecular formula C19H19N3O5S and a molecular weight of 401.4 g/mol. Its IUPAC name is (2S,5R,6R)-3,3-dimethyl-6-[(5-methyl-3-phenyl-1,2-oxazole-4-carbonyl)amino]-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid.

What is Oxacillin used for?

Oxacillin is supplied as a characterised reference material related to Oxacillin. 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 Oxacillin can I order?

We supply Oxacillin 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 Oxacillin?

Yes. Every lot of Oxacillin 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 Oxacillin be shipped internationally?

Yes. Oxacillin 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.