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Item Description


CAS#: 69-52-3

  • For use in cell culture media to inhibit gram-positive and gram-negative bacteria
  • This product cannot be shipped to a private residence

Ampicillin is an antibiotic used to inhibit cell wall biosynthesis by interrupting peptidoglycan cross-linking. Ampicillin can be used in cell culture applications.


Physical Specifications



Formula Weight:371.39
Molecular Formula:C16H18N3NaO4S
Potency:845 – 988mcg/mg
PH (1%,water):9.0 ± 1.0
Moisture:Max. 2.0%

Molecular Biology Specifications
Antibiotic Inhibition/Sensitivity Assay:Pass

IB02040 - Specification Sheet


Certificate of Analysis


CofA IB02040 - Lot#18B3011

CofA IB02040 - Lot#17E305305

CofA IB02040 - Lot#16K285301

more certificate of analysis




IB02040 - SDS


Technical Information​​​​​​​


What temperature do you store this antibiotic?

Powder form: +4°C (Refrigerated) Solution form: -20°C (Frozen)

What is the shipping temperature?

Shipped @ room temperature: 18°-26° C (2- day shipping) with ice packs and is stored cold.

How long is ampicillin still good at room temp?

It should be useable at room temperature for 60 hours or 2.5 days.

What is the country of origin?

This antibiotic is from India.

Typical stock solution

The ampicillin powder is used to make a stock solution at 50mg/ml in water. The working concentration for stringent plasmids is 20 µg/ml and 60 µg/ml for relaxed plasmids.

Stock solutions of ampicillin dissolved in water should be sterilized by filtration through a 0.22 micron filter.

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