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Molekula

Molekula

Oxacillin sodium salt monohydrate

SKU 52575358 CAS 7240-38-2 C19H18N3NaO5S·H2O MW 441.43 In stock Bulk quantities on request

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.

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Pricing & pack sizes

Pack sizes & pricing

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

Danger
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard 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

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.

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