Piroxicillin

匹罗西林

Also known as: Piroxicillin [INN], UNII-HPI5A94GD9, (2S,5R,6R)-6-((R)-2-(p-Hydroxyphenyl)-2-(3-(4-hydroxy-2-(p-sulfamoylanilino)-5-pyrimidinyl)ureido)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, (2S,5R,6R)-6-[[(2R)-2-(4-hydroxyphenyl)-2-[[6-oxo-2-(4-sulfamoylanilino)-1H-pyrimidin-5-yl]carbamoylamino]acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[(2R)-2-[[[[2-[[4-(aminosulfonyl)phenyl]amino]-1,6-dihydro-6-oxo-5-pyrimidinyl]amino]carbonyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-, (2S,5R,6R)-

Piroxicillin (CAS 82509-56-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C27H28N8O9S2 and a molecular weight of 672.68900 g/mol. It is also known as Piroxicillin [INN], UNII-HPI5A94GD9 and (2S,5R,6R)-6-((R)-2-(p-Hydroxyphenyl)-2-(3-(4-hydroxy-2-(p-sulfamoylanilino)-5-pyrimidinyl)ureido)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. Key property: a density of 1.77g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
82509-56-6
Jingsj CID
J-1494209-9
Molecular Formula
C27H28N8O9S2
Chinese Name
匹罗西林
Molecular Weight
672.68900 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Density1.77g/cm3

Frequently Asked Questions

What is the CAS number of Piroxicillin?

The CAS number of Piroxicillin is 82509-56-6.

What are the molecular formula and molecular weight of Piroxicillin?

Piroxicillin has molecular formula C27H28N8O9S2 and molecular weight 672.68900 g/mol.

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

Last updated:

How to cite: Jingsj. "Piroxicillin (CAS 82509-56-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494209-9 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.