Molekula
Oxacillin sodium salt monohydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Oxacillin sodium salt monohydrate is a semi-synthetic penicillin antibiotic used primarily to treat bacterial infections resistant to other penicillins. It inhibits bacterial cell wall synthesis, making it effective against gram-positive bacteria. This chemical has a CAS number of 7240-38-2, with the molecular formula C19H18N3NaO5S·H2O and a molecular weight of 441.43. It must be stored between 2 to 8°C and carries a **Danger** signal word for safety. Molekula supplies Oxacillin sodium salt monohydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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5 g — £90.40 per pack ex VAT · £108.48 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | A white powder or crystalline powder |
| Water | 3.5-5.0% |
| pH | 4.5-7.5 |
| Assay | 815ug-950ug |
| Isobutyl Acetate Residue | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 110 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 52575358 |
| CAS Number | 7240-38-2 |
| IUPAC Name | sodium;(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-carboxylate;hydrate |
| Molecular Formula | C19H18N3NaO5S·H2O |
| Molecular Weight | 441.43 |
| Exact Mass | 441.0971 |
| 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-].O.[Na+] |
| InChIKey | ZVIYWUUZWWBNMB-VICXVTCVSA-M |
| InChI | InChI=1S/C19H19N3O5S.Na.H2O/c1-9-11(12(21-27-9)10-7-5-4-6-8-10)15(23)20-13-16(24)22-14(18(25)26)19(2,3)28-17(13)22;;/h4-8,13-14,17H,1-3H3,(H,20,23)(H,25,26);;1H2/q;+1;/p-1/t13-,14+,17-;;/m1../s1 |
| PubChem CID | 23694213 |
| REACH Code | Y110 |
| HTS Code | 2941105000 |
| Tariff Code | 2941100000 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P309+311 IF exposed or you feel unwell: Call a POISON CENTER or doctor/physician
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Bactocill
- Bristopen
- Cryptocillin
- Micropenin
- OXACILLIN SODIUM
- oxacillin sodium monohydrate
- Penicillin p-12
- Penstapho
- SQ 16,423
- Stapenor
Frequently asked questions
What is oxacillin sodium salt monohydrate used for?
Oxacillin sodium is primarily used as an antibiotic in the penicillin class to treat bacterial infections caused by penicillinase-producing *Staphylococcus* species.
What is the chemical formula and molecular weight?
The formula is **C₁₉H₁₈N₃NaO₅S·H₂O**, and the molecular weight is **441.43 g/mol**.
How should oxacillin sodium salt monohydrate be stored?
Store at **2–8°C** to maintain stability; avoid exposure to light or moisture.
What grades or purities of oxacillin sodium salt monohydrate does Molekula supply?
Molekula supplies **pharmaceutical-grade (USP/EP/BP compliant)** oxacillin sodium salt monohydrate for research and development.
Can Molekula supply oxacillin sodium salt monohydrate in bulk?
Yes, bulk quantities are available upon request, subject to regulatory and quality approvals.
What documentation comes with an order of oxacillin sodium salt monohydrate?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.