Levofloxacin

Also known as: (-)-Ofloxacin, L-Ofloxacin, Levaquin, Cravit, Tavanic, RWJ 25213, HR 355, (3S)-9-Fluoro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid, Ofloxacin, S-(-)-, LVFX

Levofloxacin (CAS 100986-85-4) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H20FN3O4 and a molecular weight of 361.367 g/mol. Key properties include a melting point of 218ºC, a boiling point of 571.5±50.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 299.4±30.1 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 100986-85-4
Jingsj CID: J-1114032-2
Molecular Formula: C₁₈H₂₀FN₃O₄
Molecular Weight: 361.367 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	218ºC
Boiling Point	571.5±50.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	299.4±30.1 °C
Exact Mass	361.143799
PSA	75.01000
LogP	0.84
Vapor Pressure	0.0±1.7 mmHg at 25°C
Refractive Index	1.670

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger

H302 — Harmful if swallowed
H317 — May cause an allergic skin reaction
H334 — May cause allergy or asthma symptoms if inhaled
H362

Activity & Biological Data

Additional Information	[1]. Siva, R., et al., Effect of levofloxacin on neutrophilic airway inflammation in stable COPD: a randomized, double-blind, placebo-controlled trial. Int J Chron Obstruct Pulmon Dis, 2014. 9: p. 179-86. [2]. Pradeep, A.R., et al., Clinical and microbiological effects of levofloxacin in the treatment of chronic periodontitis: a randomized, placebo-controlled clinical trial. J Investig Clin Dent, 2014. [3]. Lee, B.T., et al., Efficacy of Levofloxacin in the Treatment of BK Viremia: A Multicenter, Double-Blinded, Randomized, Placebo-Controlled Trial. Clin J Am Soc Nephrol, 2014.

Additional Information

[1]. Siva, R., et al., Effect of levofloxacin on neutrophilic airway inflammation in stable COPD: a randomized, double-blind, placebo-controlled trial. Int J Chron Obstruct Pulmon Dis, 2014. 9: p. 179-86. [2]. Pradeep, A.R., et al., Clinical and microbiological effects of levofloxacin in the treatment of chronic periodontitis: a randomized, placebo-controlled clinical trial. J Investig Clin Dent, 2014. [3]. Lee, B.T., et al., Efficacy of Levofloxacin in the Treatment of BK Viremia: A Multicenter, Double-Blinded, Randomized, Placebo-Controlled Trial. Clin J Am Soc Nephrol, 2014.

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Levofloxacin?

The CAS number of Levofloxacin is 100986-85-4.

What are the molecular formula and molecular weight of Levofloxacin?

Levofloxacin has molecular formula C18H20FN3O4 and molecular weight 361.367 g/mol.

Is Levofloxacin hazardous?

Levofloxacin has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H334 — May cause allergy or asthma symptoms if inhaled.

What are the upstream and downstream products of Levofloxacin?

For Levofloxacin, Upstream Products: 1-Methylpiperazine, Levofloxacin carboxylic acid, Ofloxacin.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Levofloxacin (CAS 100986-85-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1114032-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.