Skip to content
Molekula

Molekula

Levofloxacin - USP CRS

SKU 90036870 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 USP CRS is a potent, synthetic fluoroquinolone antibiotic used primarily in pharmaceuticals to treat bacterial infections. It is also utilized as a reference standard for analytical testing and quality control in laboratories. This chemical has a CAS number of 138199-71-0, a molecular formula of C18H20FN3O4 · 0.5H2O, and a molecular weight of 370.38. It is stored at ambient conditions and carries a signal word of "Danger" due to its hazardous properties. Molekula supplies Levofloxacin USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Need a different quantity or pack?

Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

Prices exclude VAT/sales tax and shipping.

Specifications

Property Value
Appearance Yellow powder

Storage & handling

Property Value
Storage Temperature Ambient
Acidity Acid

Identification

Property Value
SKU 90036870
CAS Number 138199-71-0
Molecular Formula C18H20FN3O4 · 0.5H2O
Molecular Weight 370.38
SMILES O=C(O)C1=CN2C3=C(OCC2C)C(=C(F)C=C3C1=O)N4CCN(C)CC4.O
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

No alternate names recorded for this product.

Frequently asked questions

What is Levofloxacin USP CRS primarily used for?

Levofloxacin USP CRS is used as a reference standard for analytical testing, quality control, and method validation in pharmaceutical applications.

What is the chemical formula and molecular weight of Levofloxacin USP CRS?

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

What safety precautions should be taken when handling Levofloxacin USP CRS?

Levofloxacin USP CRS has a **Signal Word: Danger**—handle with appropriate PPE, avoid inhalation, and follow local hazardous material guidelines.

How should Levofloxacin USP CRS be stored?

Store at **ambient temperature** in a dry, well-ventilated area, away from incompatible substances.

Does Molekula offer Levofloxacin USP CRS in bulk quantities?

Yes, Molekula can supply Levofloxacin USP CRS in bulk—contact our sales team for custom packaging and pricing.

What documentation is provided with a Levofloxacin USP CRS order?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **USP CRS compliance documentation**.

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.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket