1. Anti-infection
  2. Bacterial
  3. Ampicillin (trihydrate)

Ampicillin (trihydrate) (Synonyms: D-(-)-α-Aminobenzylpenicillin (trihydrate))

Cat. No.: HY-B0522B
Handling Instructions

Ampicillin trihydrate (D-(-)-α-Aminobenzylpenicillin trihydrate) is a broad-spectrum beta-lactam antibiotic against a variety of gram-positive and gram-negative bacteria.

For research use only. We do not sell to patients.

Ampicillin (trihydrate) Chemical Structure

Ampicillin (trihydrate) Chemical Structure

CAS No. : 7177-48-2

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Ampicillin trihydrate (D-(-)-α-Aminobenzylpenicillin trihydrate) is a broad-spectrum beta-lactam antibiotic against a variety of gram-positive and gram-negative bacteria.

In Vitro

Ampicillin trihydrate (D-(-)-α-Aminobenzylpenicillin trihydrate) inhibits the growth of E. coli of swine origin in a dose-dependent manner. The effective inhibitory concentration of Ampicillin trihydrate is 2.5 uG/mL[1].

In Vivo

Ampicillin trihydrate (D-(-)-α-Aminobenzylpenicillin trihydrate) is very effective in alleviating the symptoms of hemorrhagic enteritis in a 11-week old pig[1].
Ampicillin trihydrate produces maximum concentrations in bile twice as high as in serum. The peak concentration of ampicillin after an oral dose is as twice as high in portal blood as in peripheral blood[2].
Ampicillin trihydrate provides neuroprotection against ischemia-reperfusion brain injury. Ampicillin trihydrate reduces the activities of MMPs and increases the expression level of GLT-1. Pretreatment with Ampicillin trihydrate significantly reduces medial hippocampal cell death following global forebrain ischemia[3].

Molecular Weight







OC([[email protected]@H]1N(C2=O)[[email protected]]([[email protected]@H]2NC([[email protected]@H](C3=CC=CC=C3)N)=O)([H])SC1(C)C)=O.[3H2O]


Room temperature in continental US; may vary elsewhere.


Please store the product under the recommended conditions in the Certificate of Analysis.

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This equation is commonly abbreviated as: C1V1 = C2V2

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Ampicillin (trihydrate)D-(-)-α-AminobenzylpenicillinBacterialInhibitorinhibitorinhibit

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