Skip to main content

Clarithromycin

Also known as: 6-O-Methylerythromycin, 6-O-Methylerythromycin A, A-56268, TE-031, Biaxin, Klacid, Zeclar, Fromilid, Macladin, Naxy, Vikrol, CLARITHROMYCIN(SUBJECTTOPATENTFREE)

Clarithromycin (CAS 81103-11-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C38H69NO13 and a molecular weight of 747.953 g/mol. Key properties include a melting point of 217-220ºC, a boiling point of 805.5±65.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 440.9±34.3 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
81103-11-9
Jingsj CID
J-38648-1
Molecular Formula
C38H69NO13
Molecular Weight
747.953 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point217-220ºC
Boiling Point805.5±65.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point440.9±34.3 °C
Exact Mass747.476868
PSA182.91000
LogP3.16
Vapor Pressure0.0±6.5 mmHg at 25°C
Refractive Index1.526

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Activity & Biological Data

Additional Information[1]. http://en.wikipedia.org/wiki/Clarithromycin [2]. Niemi, M., P.J. Neuvonen, and K.T. Kivisto, The cytochrome P4503A4 inhibitor clarithromycin increases the plasma concentrations and effects of repaglinide. Clin Pharmacol Ther, 2001. 70(1): p. 58-65.

Customs & Trade Information

HS Code29419000

Frequently Asked Questions

What is the CAS number of Clarithromycin?

The CAS number of Clarithromycin is 81103-11-9.

What are the molecular formula and molecular weight of Clarithromycin?

Clarithromycin has molecular formula C38H69NO13 and molecular weight 747.953 g/mol.

Is Clarithromycin hazardous?

Clarithromycin has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of Clarithromycin?

For Clarithromycin, Upstream Products: Formaldehyde, Erythromycin A oxime, iodomethane; Downstream Products: N-Desmethyl Clarithromycin, Telithromycin intermediate (7A), Telithromycin.

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

Last updated:

How to cite: Jingsj. "Clarithromycin (CAS 81103-11-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38648-1 (accessed 2026-11-09).

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