Tebipenem

Also known as: (4R,5S,6S)-3-((1-(4,5-dihydrothiazol-2-yl)azetidin-3-yl)thio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, (4R,5S,6S)-3-[1-(4,5-dihydro-1,3-thiazol-2-yl)azetidin-3-yl]sulfanyl-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, (4R,5S,6S)-3-[[1-(4,5-dihydro-2-thiazolyl)-3-azetidinyl]thio]-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, (1R,5S,6S)-6-(1(R)-hydroxyethyl)-1-methyl-2-(1-(2-thiazolin-2-yl)azetidin-3-ylsulfanyl)-1-carba-2-penem-3-carboxylic acid, LJC 11036, LJC-11036, LJC11036, UNII-Q2TWQ1I31U

Tebipenem (CAS 161715-21-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H21N3O4S2 and a molecular weight of 383.486 g/mol. Key properties include a boiling point of 624.5±65.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 331.5±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 161715-21-5
Jingsj CID: J-1972170-1
Molecular Formula: C₁₆H₂₁N₃O₄S₂
Molecular Weight: 383.486 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	624.5±65.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	331.5±34.3 °C
Exact Mass	383.097351
PSA	144.04000
LogP	-1.71
Vapor Pressure	0.0±4.1 mmHg at 25°C
Refractive Index	1.826
Storage Conditions	2-8℃

Activity & Biological Data

Additional Information	[1]. Hazra S, et al. Tebipenem, a new carbapenem antibiotic, is a slow substrate that inhibits the β-lactamase from Mycobacterium tuberculosis. Biochemistry. 2014 Jun 10;53(22):3671-8. [2]. Seenama C, et al. In vitro activity of tebipenem against Burkholderia pseudomallei. Int J Antimicrob Agents. 2013 Oct;42(4):375. [3]. Li H, et al. In vitro antibacterial activities of two novel oral antibiotics, tebipenem and cefditoren, and other comparators against community-acquired respiratory tract infection-associated bacterial pathogens: A multicentre study in China. Int J Antimicrob Agents. 2014 Jan;43(1):92-3.

Additional Information

[1]. Hazra S, et al. Tebipenem, a new carbapenem antibiotic, is a slow substrate that inhibits the β-lactamase from Mycobacterium tuberculosis. Biochemistry. 2014 Jun 10;53(22):3671-8. [2]. Seenama C, et al. In vitro activity of tebipenem against Burkholderia pseudomallei. Int J Antimicrob Agents. 2013 Oct;42(4):375. [3]. Li H, et al. In vitro antibacterial activities of two novel oral antibiotics, tebipenem and cefditoren, and other comparators against community-acquired respiratory tract infection-associated bacterial pathogens: A multicentre study in China. Int J Antimicrob Agents. 2014 Jan;43(1):92-3.

Frequently Asked Questions

What is the CAS number of Tebipenem?

The CAS number of Tebipenem is 161715-21-5.

What are the molecular formula and molecular weight of Tebipenem?

Tebipenem has molecular formula C16H21N3O4S2 and molecular weight 383.486 g/mol.

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. "Tebipenem (CAS 161715-21-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1972170-1 (accessed 2026-11-09).

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