oxacillin (CAS 66-79-5) — formula C19H19N3O5S, molecular weight 401.4; category organic chemicals.
oxacillin (CAS 66-79-5) is a organic chemicals. Its molecular formula C19H19N3O5S comprises 19 C, 19 H, 3 N, 5 O, 1 S atoms. Its molecular weight is about 401.4. Reported physicochemical data: melting point around 188, LogP about 2.38. Organic chemicals are the largest family of carbon-based compounds, widely used across pharmaceuticals, agrochemicals, materials, cosmetics and food industries. Downstream uses span pharmaceutical ingredients, agrochemicals, dyes, solvents, surfactants, food additives and polymer materials. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 66-79-5 |
|---|---|
| Molecular Formula | C19H19N3O5S |
| Molecular Weight | 401.4 |
| Melting Point | 188 |
| LogP | 2.38 |
| Applications | Pharmaceuticals |
| Category | Organic Chemicals |
Documented applications: Pharmaceuticals.
oxacillin is a carbon-based organic compound with CAS registry number 66-79-5 and molecular formula C19H19N3O5S (molecular weight 401.4), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 66-79-5
Its molecular formula C19H19N3O5S comprises 19 C, 19 H, 3 N, 5 O, 1 S atoms.
Also known as: oxacillin · 苯唑西林
Category: organic chemicals
The CAS registry number of oxacillin is 66-79-5.
Molecular formula C19H19N3O5S, molecular weight 401.4.
It is also registered under: oxacillin, 苯唑西林.
Recorded applications: Pharmaceuticals.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for oxacillin (CAS 66-79-5), compiled from public chemistry databases.
| CAS Registry Number | 66-79-5 |
|---|---|
| PubChem CID | 6196 |
| Molecular formula | C19H19N3O5S |
| 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 |
| UNII (FDA) | UH95VD7V76 |
| Molecular Weight | 401.4 |
|---|---|
| XLogP3 | 2.4 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 4 |
| Exact Mass | 401.10454189 |
| Monoisotopic Mass | 401.10454189 |
| Topological Polar Surface Area | 138 |
| Heavy Atom Count | 28 |
| Melting Point | 188 |
|---|---|
| Solubility | 13.9 |
| Solubility | 8.62e-02 g/L |
| LogP | 2.38 |
| LogP | 2.4 |
| Dissociation Constants | 2.72 |
| Collision Cross Section | 198.25 Ų [M-H]- |
| Collision Cross Section | 187.73 Ų [M+H]+ |
| Collision Cross Section | 194.45 Ų [M+Na]+ |
oxacillin; Oxazocillin; 66-79-5; Oxazocilline; Oxacilina; Oxacilline; Oxacillinum; 5-Methyl-3-phenyl-4-isoxazolyl-penicillin; Resistopen; Oxabel; CHEBI:7809; UH95VD7V76; Staphcillin V; (5-methyl-3-phenyl-4-isoxazolyl)penicillin; 6beta-(5-methyl-3-phenylisoxazol-4-yl)penicillanic acid; DTXSID8023397
| Reported hazard statements | H315 (40%), H317 (20%), H319 (40%), H334 (80%), H335 (60%) |
|---|
H315 (40%): Causes skin irritation [Warning Skin corrosion/irritation]
H317 (20%): May cause an allergic skin reaction [Warning Sensitization, Skin]
oxacillin · CAS 66-79-5 · C19H19N3O5S. UNII UH95VD7V76. Melting Point: 188; Solubility: 13.9; Solubility: 8.62e-02 g/L.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 苯唑西林