Tazobactam

Also known as: Tazobactam acid, YTR-830H, CL-298741, (2S,3S,5R)-3-Methyl-7-oxo-3-(1H-1,2,3-triazol-1-ylmethyl)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4,4-dioxide, 2β-[(1,2,3-triazol-1-yl)methyl]-2α-methylpenam-3α-carboxylic acid 1,1-dioxide, UNII-SE10G96M8W, MFCD00867002

Tazobactam (CAS 89786-04-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H12N4O5S and a molecular weight of 300.291 g/mol. Key properties include a melting point of 172 °C(dec.), a boiling point of 707.1±70.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 381.4±35.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 89786-04-9
Jingsj CID: J-6219-1
Molecular Formula: C₁₀H₁₂N₄O₅S
Molecular Weight: 300.291 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	172 °C(dec.)
Boiling Point	707.1±70.0 °C at 760 mmHg
Density	1.9±0.1 g/cm3
Flash Point	381.4±35.7 °C
Exact Mass	300.052826
PSA	130.84000
LogP	-1.70
Vapor Pressure	0.0±2.4 mmHg at 25°C
Refractive Index	1.818
Storage Conditions	Store at?0-5°C

Customs & Trade Information

HS Code	29036990

Frequently Asked Questions

What is the CAS number of Tazobactam?

The CAS number of Tazobactam is 89786-04-9.

What are the molecular formula and molecular weight of Tazobactam?

Tazobactam has molecular formula C10H12N4O5S and molecular weight 300.291 g/mol.

What are the upstream and downstream products of Tazobactam?

For Tazobactam, Upstream Products: 6-Aminopenicillanic acid, (2S,5R)-Benzhydryl 3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate 4-oxide; Downstream Products: Piperacillin sodium, Tazobactam Sodium.

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. "Tazobactam (CAS 89786-04-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6219-1 (accessed 2026-11-09).

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