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Antibiotics and anti-infectives

Ertapenem

Also known as (1R,5S,6S,8R,2'S,4'S)-2-(2-(3-carboxyphenylcarbamoyl)pyrrolidin-4-ylthio)-6-(1-hydroxyethyl)-1-methylcarbapenem-3-carboxylic acid, (4R,5S,6S)-3-((3S,5S)-5-((3-carboxyphenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid, ertapenemum

CAS 153832-46-3Formula C22H25N3O7SMolar mass 475.52 g/molEC 836-232-1
GHS signal word: Danger. Pictograms: Serious health hazard, Hazardous to the environment 50 suppliers listed Drug substance
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Ertapenem chemical structure, C22H25N3O7S, CAS 153832-46-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
153832-46-3
Formula
C22H25N3O7S
Molar mass
475.52 g/mol
EC number
836-232-1
HS code
294190
Category
Antibiotics and anti-infectives

What is Ertapenem?

Plain description, key identifiers and synonyms

Ertapenem is meropenem in which the one of the two methyl groups attached to the amide nitrogen is replaced by hydrogen while the other is replaced by a 3-carboxyphenyl group. The sodium salt is used for the treatment of moderate to severe susceptible infections including intra-abdominal and acute gynaecological infections, pneumonia, and infections of the skin and of the urinary tract. It has a role as an antibacterial drug. It is a carbapenemcarboxylic acid and a pyrrolidinecarboxamide. It is a conjugate acid of an ertapenem(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(4R,5S,6S)-3-[(3S,5S)-5-[(3-carboxyphenyl)carbamoyl]pyrrolidin-3-yl]sulfanyl-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid
CAS number
153832-46-3 CAS number cross-checkedOther or deprecated CAS: 153773-82-1
EC number
836-232-1
Molecular formula
C22H25N3O7S
UNII
G32F6EID2H
MDL number
MFCD05662246
InChIKey
JUZNIMUFDBIJCM-ANEDZVCMSA-N
InChI
InChI=1S/C22H25N3O7S/c1-9-16-15(10(2)26)20(28)25(16)17(22(31)32)18(9)33-13-7-14(23-8-13)19(27)24-12-5-3-4-11(6-12)21(29)30/h3-6,9-10,13-16,23,26H,7-8H2,1-2H3,(H,24,27)(H,29,30)(H,31,32)/t9-,10-,13+,14+,15-,16-/m1/s1
SMILES
C[C@@H]1[C@@H]2[C@H](C(=O)N2C(=C1S[C@H]3C[C@H](NC3)C(=O)NC4=CC=CC(=C4)C(=O)O)C(=O)O)[C@@H](C)O

Synonyms

  • (1R,5S,6S,8R,2'S,4'S)-2-(2-(3-carboxyphenylcarbamoyl)pyrrolidin-4-ylthio)-6-(1-hydroxyethyl)-1-methylcarbapenem-3-carboxylic acid
  • (4R,5S,6S)-3-((3S,5S)-5-((3-carboxyphenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-aza-bicyclo[3.2.0]hept-2-ene-2-carboxylic acid
  • ertapenemum
  • (4R,5S,6S)-3-((3S,5S)-5-((3-carboxyphenyl)carbamoyl)pyrrolidin-3-ylthio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-aza-bicyclo(3.2.0)hept-2-ene-2-carboxylic acid
  • (4R,5R,6S)-3-((3S,5S)-5-((3-carboxyphenyl)carbamoyl)pyrrolidin-3-yl)sulfanyl-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo(3.2.0)hept-2-ene-2-carboxylic acid
  • Invanz
  • Ertapenem (INN)
  • Invanz (TN)
  • ertapenem hydrochloride
  • Ertapenem?

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
475.52 g/molcalc.
Exact mass
475.1413 Dacalc.
LogP (octanol/water)
0.94calc.
Topological polar surface area
156.3 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
7calc.
Rotatable bonds
7calc.
Heavy atoms
33calc.
Rings
4calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.46calc.
Formal charge
0calc.
Stereocentres
6calc.
Lipinski rule of five
Passes (0 violations)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=C(Nc1ccccc1)C1CC(SC2=CN3C(=O)CC3C2)CN1

O=C(Nc1ccccc1)C1CC(SC2=CN3C(=O)CC3C2)CN1

4 rings, 23 atoms.

8 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled.
  • H400Very toxic to aquatic life.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (10)
  • P233Keep container tightly closed.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P342 + P316If experiencing respiratory symptoms: Get emergency medical help immediately.
  • P391Collect spillage.
  • P403Store in a well-ventilated place.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Ertapenem suppliers

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Where suppliers are based

50 suppliers in 10 countries

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Ertapenem price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Pharmacological actions

  • Anti-Bacterial Agents

Roles

  • antibacterial agent
  • antibacterial drug
  • antiinfective agent
  • antimicrobial agent
  • antimicrobial drug
  • pharmaceutical

Pharmacology

Ertapenem is a Penem Antibacterial.

How it is made

Preparation: M. J. Betts et al., WO 9315078, eidem, US 5478820 (1993, 1995 both to Zeneca)

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2941.90Indicative HS code

Antibiotics, other

World exports in 2024
$6.39B
+2.3% vs 2023, imports $6.97B
2019 to 2024
Top exporters
  1. China39.7%
  2. United States11.3%
  3. Switzerland * partner reported10.9%
Top importers
  1. Italy15.0%
  2. India * partner reported12.0%
  3. China8.7%

* Partner reported figures, a lower bound.

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

The HS code shown for Ertapenem is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Ertapenem, based on the data on this page

What is Ertapenem?

Ertapenem is meropenem in which the one of the two methyl groups attached to the amide nitrogen is replaced by hydrogen while the other is replaced by a 3-carboxyphenyl group.

What is the CAS number of Ertapenem?

The CAS registry number of Ertapenem is 153832-46-3. Other or deprecated CAS numbers: 153773-82-1.

What is the molecular formula and weight of Ertapenem?

The molecular formula of Ertapenem is C22H25N3O7S and its molar mass is 475.52 g/mol.

What is Ertapenem used for?

Known uses and roles of Ertapenem include antibacterials and antibiotics in pharmaceuticals, antibacterial agent, antibacterial drug, antiinfective agent, antimicrobial agent and 3 more.

Is Ertapenem hazardous?

Ertapenem carries the GHS signal word "Danger". Main hazards: may cause allergy or asthma symptoms or breathing difficulties if inhaled, very toxic to aquatic life, toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Ertapenem?

Ertapenem is usually classified under HS code 294190 (Antibiotics, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ertapenem?

CompoundList lists 50 suppliers of Ertapenem in United States, China, Spain, United Kingdom and 6 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Ertapenem?

Suppliers quote Ertapenem 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 Ertapenem

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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