CompoundList
Sign in
Screening compounds

Piperacillin monohydrate

Also known as Piperacillin hydrate, Piperacillin, Piperacillinhydrate

CAS 66258-76-2Formula C23H29N5O8SMolar mass 535.58 g/mol
8 suppliers listed
Get quotes Compare 8 suppliers
Piperacillin monohydrate chemical structure, C23H29N5O8S, CAS 66258-76-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
66258-76-2
Formula
C23H29N5O8S
Molar mass
535.58 g/mol
HS code
294110
Category
Screening compounds

What is Piperacillin monohydrate?

Plain description, key identifiers and synonyms

Piperacillin monohydrate is a chemical substance with the molecular formula C23H29N5O8S and a molar mass of 535.58 g/mol. Its CAS registry number is 66258-76-2. The IUPAC name is (2S,5R,6R)-6-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, hydrate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(2S,5R,6R)-6-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, hydrate
CAS number
66258-76-2 CAS number cross-checked
Molecular formula
C23H29N5O8S
UNII
X00B0D5O0E
InChIKey
NBXPLBPWMYNZTC-IDYPWDAWSA-N
InChI
InChI=1S/C23H27N5O7S.H2O/c1-4-26-10-11-27(19(32)18(26)31)22(35)25-13(12-8-6-5-7-9-12)16(29)24-14-17(30)28-15(21(33)34)23(2,3)36-20(14)28;/h5-9,13-15,20H,4,10-11H2,1-3H3,(H,24,29)(H,25,35)(H,33,34);1H2/t13-,14-,15+,20-;/m1./s1
Canonical SMILES
CCN1CCN(C(=O)NC(C(=O)NC2C(=O)N3C2SC(C)(C)C3C(=O)O)c2ccccc2)C(=O)C1=O.O
Isomeric SMILES
CCN1CCN(C(=O)C1=O)C(=O)N[C@H](C2=CC=CC=C2)C(=O)N[C@H]3[C@@H]4N(C3=O)[C@H](C(S4)(C)C)C(=O)O.O

Synonyms

  • Piperacillin hydrate
  • Piperacillin
  • Piperacillinhydrate
  • Piperacillin (USP)
  • Piperacillin (hydrate)
  • Piperacillin hydrate (JP18)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
535.58 g/molcalc.
Exact mass
535.1737 Dacalc.
LogP (octanol/water)
-1.06calc.
Topological polar surface area
187.9 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
6calc.
Heavy atoms
37calc.
Rings
4calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.48calc.
Formal charge
0calc.
Stereocentres
4calc.
Components
2calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1NCCN(C(=O)NC(C(=O)NC2C(=O)N3CCSC23)c2ccccc2)C1=O

O=C1NCCN(C(=O)NC(C(=O)NC2C(=O)N3CCSC23)c2ccccc2)C1=O

4 rings, 29 atoms.

17 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Piperacillin monohydrate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 8 suppliers
8 of 8 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

8 suppliers in 4 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Piperacillin monohydrate price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Piperacillin monohydrate is traded under.

HS 2941.10Indicative HS code

Penicillins and their derivatives with a penicillanic acid structure, salts thereof

World exports in 2024
$1.66B
−2.5% vs 2023, imports $1.63B
2019 to 2024
Top exporters
  1. China56.8%
  2. Spain13.1%
  3. India * partner reported7.7%
Top importers
  1. India * partner reported16.4%
  2. Austria9.3%
  3. Brazil5.4%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Piperacillin monohydrate is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Piperacillin monohydrate, based on the data on this page

What is Piperacillin monohydrate?

Piperacillin monohydrate is a chemical substance with the molecular formula C23H29N5O8S and a molar mass of 535.58 g/mol. Its CAS registry number is 66258-76-2.

What is the CAS number of Piperacillin monohydrate?

The CAS registry number of Piperacillin monohydrate is 66258-76-2.

What is the molecular formula and weight of Piperacillin monohydrate?

The molecular formula of Piperacillin monohydrate is C23H29N5O8S and its molar mass is 535.58 g/mol.

What is Piperacillin monohydrate used for?

Known uses and roles of Piperacillin monohydrate include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Piperacillin monohydrate hazardous?

No GHS hazard classification for Piperacillin monohydrate is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Piperacillin monohydrate?

Piperacillin monohydrate is usually classified under HS code 294110 (Penicillins and their derivatives with a penicillanic acid structure, salts thereof). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Piperacillin monohydrate?

CompoundList lists 8 suppliers of Piperacillin monohydrate in China, India, Japan and South Korea. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Piperacillin monohydrate in India?

2 suppliers in India list Piperacillin monohydrate on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Piperacillin monohydrate?

Suppliers quote Piperacillin monohydrate on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Piperacillin monohydrate

Get quotes for Piperacillin monohydrate

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Piperacillin monohydrate
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Piperacillin monohydrate with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/piperacillin-monohydrate-66258-76-2" title="Piperacillin monohydrate structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Screening compounds or HS code 294110

8 suppliers
Free quotes, contact stays private
Get quotes