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Molekula

Molekula

Levofloxacin hemihydrate

SKU 90027901 CAS 138199-71-0 C18H20FN3O4 · 0.5H2O MW 370.38 Made to order 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

Levofloxacin hemihydrate is a synthetic broad-spectrum antibiotic belonging to the fluoroquinolone class, widely used to treat bacterial infections such as pneumonia, urinary tract infections, and skin conditions. It works by inhibiting bacterial DNA gyrase and topoisomerase IV. This chemical has a CAS number of 138199-71-0, with the molecular formula C18H20FN3O4 · 0.5H2O and a molecular weight of 370.38. It should be stored at ambient conditions and handled with caution, as it carries a "Danger" signal word. Molekula supplies Levofloxacin hemihydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Pricing & pack sizes

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Specifications

Property Value
Appearance Pale yellow solid

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Acid

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
pKa pKa = 8.12

Source: PubChem CID 3033924 (ChEMBL)

Identification

Property Value
SKU 90027901
CAS Number 138199-71-0
IUPAC Name bis((2S)-7-fluoro-2-methyl-6-(4-methylpiperazin-1-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid);hydrate
Molecular Formula C18H20FN3O4 · 0.5H2O
Molecular Weight 370.38
Exact Mass 740.2981
SMILES C[C@H]1COC2=C3N1C=C(C(=O)C3=CC(=C2N4CCN(CC4)C)F)C(=O)O.C[C@H]1COC2=C3N1C=C(C(=O)C3=CC(=C2N4CCN(CC4)C)F)C(=O)O.O
InChIKey SUIQUYDRLGGZOL-RCWTXCDDSA-N
InChI InChI=1S/2C18H20FN3O4.H2O/c2*1-10-9-26-17-14-11(16(23)12(18(24)25)8-22(10)14)7-13(19)15(17)21-5-3-20(2)4-6-21;/h2*7-8,10H,3-6,9H2,1-2H3,(H,24,25);1H2/t2*10-;/m00./s1
PubChem CID 3033924
REACH Code Y110
HTS Code 29349944
Tariff Code 2934999090

Safety & GHS

Danger
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08

Hazard statements

  • H302 Harmful if swallowed
  • H317 May cause an allergic skin reaction
  • H319 Causes serious eye irritation
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H361 Suspected of damaging fertility or the unborn child
  • H362 May cause harm to breast-fed children
  • H371 May cause damage to organs

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P263 Avoid contact during pregnancy/while nursing
  • P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
  • P302+352 IF ON SKIN: Wash with soap and water
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P308+313 IF exposed or concerned: Get medical advice/attention

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

  • Dynaquin
  • Iquix (TN)
  • Levaquin (TN)
  • LEVOFLOXACIN HEMIHIDRATED
  • Levofloxacin hemihydrate CRS
  • Levofloxacin hydrate
  • Levofloxacin, United States Pharmacopeia (USP) Reference Standard
  • Quixin (TN)
  • RWJ 25213

Frequently asked questions

What is levofloxacin hemihydrate used for?

Levofloxacin hemihydrate is primarily used as an antibiotic to treat bacterial infections, including respiratory, urinary, and skin infections, due to its broad-spectrum activity against Gram-positive and Gram-negative bacteria.

What is the chemical formula and molecular weight of levofloxacin hemihydrate?

The chemical formula is **C18H20FN3O4 · 0.5H2O**, and the molecular weight is **370.38 g/mol**.

How should levofloxacin hemihydrate be stored?

Store at **ambient temperature** in a dry place, away from direct sunlight and moisture, following proper chemical handling protocols.

What grades or purities of levofloxacin hemihydrate does Molekula supply?

Molekula supplies **pharmaceutical-grade (USP/EP/BP compliant)** levofloxacin hemihydrate, suitable for research, development, and manufacturing applications.

Can Molekula supply levofloxacin hemihydrate in bulk quantities?

Yes, Molekula can supply levofloxacin hemihydrate in **bulk quantities** (5 kg and above) for qualified customers, subject to approval and compliance checks.

What documentation comes with an order of levofloxacin hemihydrate?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and, if applicable, **pharmaceutical-grade compliance documentation** (e.g., USP/EP/BP certificates).

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