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Antibiotics and anti-infectives

Ampicillin sodium

Also known as Ampicillin sodium salt, Sodium ampicillin, Omnipen-N

CAS 69-52-3Formula C16H18N3NaO4SMolar mass 371.39 g/molEC 200-708-1
GHS signal word: Danger. Pictograms: Harmful or irritant, Serious health hazard 95 suppliers listed Drug substance
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Ampicillin sodium chemical structure, C16H18N3NaO4S, CAS 69-52-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
69-52-3
Formula
C16H18N3NaO4S
Molar mass
371.39 g/mol
EC number
200-708-1
HS code
294110
Category
Antibiotics and anti-infectives

What is Ampicillin sodium?

Plain description, key identifiers and synonyms

Ampicillin sodium is an organic sodium salt. It contains an ampicillin(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sodium (2S,5R,6R)-6-[[(2R)-2-amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
CAS number
69-52-3 CAS number cross-checked
EC number
200-708-1
Molecular formula
C16H18N3NaO4S
UNII
JFN36L5S8K
InChIKey
KLOHDWPABZXLGI-YWUHCJSESA-M
InChI
InChI=1S/C16H19N3O4S.Na/c1-16(2)11(15(22)23)19-13(21)10(14(19)24-16)18-12(20)9(17)8-6-4-3-5-7-8;/h3-7,9-11,14H,17H2,1-2H3,(H,18,20)(H,22,23);/q;+1/p-1/t9-,10-,11+,14-;/m1./s1
Canonical SMILES
CC1(C)SC2C(NC(=O)C(N)c3ccccc3)C(=O)N2C1C(=O)[O-].[Na+]
Isomeric SMILES
CC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)C(=O)[O-])C.[Na+]

Synonyms

  • Ampicillin sodium salt
  • Sodium ampicillin
  • Omnipen-N
  • Ampicillin natrium
  • Totacillin-N
  • Penbritin-S
  • Ampicillin (as sodium)
  • Sodium D-(-)-alpha-aminobenzylpenicillin
  • Ampicillinum natricum
  • D(-)-alpha-Aminobenzylpenicillin sodium salt
  • Ampicillin sodium, sterile
  • Monosodium D-(-)-6-(2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylate
  • Amp Equine
  • Amp-Equine
  • Principen-N
  • Ampicillin Injection
  • D-(-)-6-(2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic Acid, Sodium Salt
  • Monosodium (2S,5R,6R)-6-((2R)-2-amino-2-phenylacetylamino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylate
  • Omnipen
  • Penbritin
  • Totacillin
  • Ampicillin (sodium)
  • Citteral
  • Austrapen
  • Ampicillin Na
Show all 38 synonyms
  • 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-((aminophenylacetyl)amino)-3,3-dimethyl-7-oxo-, monosodium salt, (2S-(2alpha,5alpha,6beta(S*)))-
  • Domicillin
  • Penialmen
  • Binotal sodium
  • Sodium binotal
  • Principen/N
  • Amcill-S
  • Alpen-N
  • sodium (2S,5R,6R)-6-{[(2R)-2-amino-2-phenylacetyl]amino}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
  • Sodium P-50
  • PEN A/N
  • Ampiplus Simplex
  • Aminobenzylpenicillin sodium salt

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
371.39 g/molcalc.
Exact mass
371.0916 Dacalc.
LogP (octanol/water)
-4.01calc.
Topological polar surface area
115.6 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
4calc.
Heavy atoms
25calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.44calc.
Formal charge
0calc.
Stereocentres
4calc.
Components
2calc.
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(Cc1ccccc1)NC1C(=O)N2CCSC12

O=C(Cc1ccccc1)NC1C(=O)N2CCSC12

3 rings, 18 atoms.

177 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H317May cause an allergic skin reaction.
  • H334May cause allergy or asthma symptoms or breathing difficulties if inhaled.
Precautionary statements (15)
  • P233Keep container tightly closed.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P271Use only outdoors or in a well-ventilated area.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P342 + P316If experiencing respiratory symptoms: Get emergency medical help immediately.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

Ampicillin sodium suppliers

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Where suppliers are based

95 suppliers in 20 countries

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Ampicillin sodium 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

Use classes: Animal Drugs.

Roles

  • anti-HIV agent
  • antibacterial agent
  • antiinfective agent
  • antimicrobial agent
  • antiviral agent
  • pharmaceutical

Pharmacology

Ampicillin Sodium is the sodium salt form of ampicillin, a broad-spectrum semisynthetic derivative of aminopenicillin. Ampicillin sodium inhibits bacterial cell wall synthesis by binding to penicillin binding proteins, thereby inhibiting peptidoglycan synthesis, a critical component of the bacterial cell wall.

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 Ampicillin sodium 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 Ampicillin sodium is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Ampicillin sodium, based on the data on this page

What is Ampicillin sodium?

Ampicillin sodium is an organic sodium salt. It contains an ampicillin(1-).

What is the CAS number of Ampicillin sodium?

The CAS registry number of Ampicillin sodium is 69-52-3.

What is the molecular formula and weight of Ampicillin sodium?

The molecular formula of Ampicillin sodium is C16H18N3NaO4S and its molar mass is 371.39 g/mol.

What is Ampicillin sodium used for?

Use classes: Animal Drugs.

Is Ampicillin sodium hazardous?

Ampicillin sodium carries the GHS signal word "Danger". Main hazards: may cause an allergic skin reaction, may cause allergy or asthma symptoms or breathing difficulties if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Ampicillin sodium?

Ampicillin sodium 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 Ampicillin sodium?

CompoundList lists 95 suppliers of Ampicillin sodium in China, United States, Germany, India and 16 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Ampicillin sodium in India?

9 suppliers in India list Ampicillin sodium on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Ampicillin sodium?

Suppliers quote Ampicillin sodium 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 Ampicillin sodium

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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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