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Linezolid

Also known as: Zyvox, Zyvoxid, Zyvoxa, Zyvoxam, PNU 100766, U 100766, (S)-Linezolid, Acetamide, N-[[(5S)-3-[3-fluoro-4-(4-morpholinyl)phenyl]-2-oxo-5-oxazolidinyl]methyl]-, N-[[(5S)-3-(3-fluoro-4-morpholin-4-ylphenyl)-2-oxo-1,3-oxazolidin-5-yl]methyl]acetamide, Averozolid, Linospan, Lizoforce, Linox, Lizolid

Linezolid (CAS 165800-03-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C16H20FN3O4 and a molecular weight of 337.346 g/mol. Key properties include a melting point of 176-1780C, a boiling point of 585.5±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 307.9±30.1 °C. It is classified under GHS with signal word Danger and hazard statements H372 — Causes damage to organs through prolonged exposure. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
165800-03-3
Jingsj CID
J-32805-2
Molecular Formula
C16H20FN3O4
Molecular Weight
337.346 g/mol
Category
Organic Bases
Last updated
8/21/2026

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Physicochemical Properties

Melting Point176-1780C
Boiling Point585.5±50.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point307.9±30.1 °C
Exact Mass337.143799
PSA71.11000
LogP0.30
Vapor Pressure0.0±1.6 mmHg at 25°C
Refractive Index1.554
Storage ConditionsStore at RT

GHS Safety & Compliance

Health HazardSignal word: Danger
  • H372 — Causes damage to organs through prolonged exposure

Activity & Biological Data

Additional Information[1]. Clemett D, Markham A. Linezolid. Drugs. 2000 Apr;59(4):815-27; discussion 828. [2]. Chiappini E, Conti C, Galli L et al. Clinical efficacy and tolerability of linezolid in pediatric patients: a systematic review. Clin Ther. 2010 Jan;32(1):66-88. [3]. Perry CM, Jarvis B. Linezolid: a review of its use in the management of serious gram-positive infections. Drugs. 2001;61(4):525-51. [4]. He MZ, Jiang YW, Cai C.Mechanisms and epidemiology of linezolid resistance in staphylococci.Zhonghua Jie He He Hu Xi Za Zhi. 2012 May;35(5):360-2. [5]. Karau MJ, Tilahun AY, Schmidt SM, Clark CR, Patel R, Rajagopalan G.Linezolid is Superior to Vancomycin in Experimental Pneumonia Caused by Superantigen-Producing Staphylococcus aureus in HLA class II Transgenic Mice.Antimicrob Agents Chemother. 2012 Jul 30.

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 Linezolid?

The CAS number of Linezolid is 165800-03-3.

What are the molecular formula and molecular weight of Linezolid?

Linezolid has molecular formula C16H20FN3O4 and molecular weight 337.346 g/mol.

Is Linezolid hazardous?

Linezolid has GHS signal word Danger and hazard statements H372 — Causes damage to organs through prolonged exposure.

What are the upstream and downstream products of Linezolid?

For Linezolid, Upstream Products: (R)-5-(Azidomethyl)-3-[3-fluoro-4-(4-morpholinyl)phenyl]-2-oxazolidinone, (5S)-5-(Aminomethyl)-3-[3-fluoro-4-(4-morpholinyl)phenyl]-1,3-oxazolidin-2-one, Acetyl chloride.

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

Last updated:

How to cite: Jingsj. "Linezolid (CAS 165800-03-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32805-2 (accessed 2026-11-09).

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