Erythromycin

Also known as: Erythromycin A, Ilotycin, Erythrocin, E-MYCIN, ERYC, ERYMAX, Ery-Tab, Erythromid, Erythroped, Eryhexal, PCE, Staticin, Stiemycin, Theramycin Z, Torlamicina, UNII-63937KV33D, MFCD00084654, (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-14-ethyl-7,12,13-trihydroxy-4-{[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl]oxy}-3,5,7,9,11,13-hexamethyl-6-{[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy}oxacyclotetradecane-2,10-dione

Erythromycin (CAS 114-07-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C37H67NO13 and a molecular weight of 733.927 g/mol. Key properties include a melting point of 138-140ºC, a boiling point of 818.4±65.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 448.8±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 114-07-8
Jingsj CID: J-1109547-9
Molecular Formula: C₃₇H₆₇NO₁₃
Molecular Weight: 733.927 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	138-140ºC
Boiling Point	818.4±65.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	448.8±34.3 °C
Exact Mass	733.461243
PSA	193.91000
LogP	2.83
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.535

Activity & Biological Data

Additional Information	[1]. McCormack WM, et al. Hepatotoxicity of erythromycin estolate during pregnancy. Antimicrob Agents Chemother. 1977 Nov;12(5):630-5. [2]. Peeters T, et al. Erythromycin is a motilin receptor agonist. Am J Physiol. 1989 Sep;257(3 Pt 1):G470-4.

Customs & Trade Information

HS Code	2941500000

Frequently Asked Questions

What is the CAS number of Erythromycin?

The CAS number of Erythromycin is 114-07-8.

What are the molecular formula and molecular weight of Erythromycin?

Erythromycin has molecular formula C37H67NO13 and molecular weight 733.927 g/mol.

What are the upstream and downstream products of Erythromycin?

For Erythromycin, Upstream Products: 6-O-Methyl-2',4''-bis-O-(trimethylsilyl)-9-[O-(1-ethoxy-1-methylethyl)oxime]erythromycin, Erythromycin thiocyanate; Downstream Products: Erythromycin A Enol Ether, Erythromycin Cyclocarbonate, Erythromycin lactobionate.

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. "Erythromycin (CAS 114-07-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1109547-9 (accessed 2026-11-09).

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