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Oxacillin sodium salt

Also known as: Oxacillin sodium, Sodium oxacillin, Oxacillin, Bactocill, Bristopen Hydrate, Stapenor Hydrate, MFCD00082382, EINECS 214-636-3, 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-6-(5-methyl-3-phenyl-4-isoxazolecarboxamido)-7-oxo-, monosodium salt, Sodium 3,3-dimethyl-6-{[(5-methyl-3-phenyl-1,2-oxazol-4-yl)carbonyl]amino}-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate

Oxacillin sodium salt (CAS 1173-88-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C19H19N3NaO5S and a molecular weight of 423.418 g/mol. Key properties include a melting point of 188ºC, a boiling point of 686.8ºC at 760 mmHg, a density of 1.49g/cm3 and a flash point of 369.2ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
1173-88-2
Jingsj CID
J-1959778-6
Molecular Formula
C19H19N3NaO5S
Molecular Weight
423.418 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/2/2026
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Physicochemical Properties

Melting Point188ºC
Boiling Point686.8ºC at 760 mmHg
Density1.49g/cm3
Flash Point369.2ºC
Exact Mass423.086487
PSA140.87000
LogP0.88940
Vapor Pressure8.32E-20mmHg at 25°C
Storage Conditions2-8°C
Additional PropertyH2O: soluble50mg/mL

Customs & Trade Information

HS Code2941109900

Frequently Asked Questions

What is the CAS number of Oxacillin sodium salt?

The CAS number of Oxacillin sodium salt is 1173-88-2.

What are the molecular formula and molecular weight of Oxacillin sodium salt?

Oxacillin sodium salt has molecular formula C19H19N3NaO5S and molecular weight 423.418 g/mol.

What are the upstream and downstream products of Oxacillin sodium salt?

For Oxacillin sodium salt, Upstream Products: 6-Aminopenicillanic acid, 5-Methyl-3-phenylisoxazole-4-carbonyl chloride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Oxacillin sodium salt (CAS 1173-88-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959778-6 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.