WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 596443

CAS#: 19379-33-0

Description: L-(+)-Ampicillin is an isomer of Ampicillin (A634300), a β-lactam antibiotic used for treating bacterial infection. Ampicillin interferes with cell wall synthesis in bacteria.

Chemical Structure

CAS# 19379-33-0

Theoretical Analysis

MedKoo Cat#: 596443
Name: L-(+)-Ampicillin
CAS#: 19379-33-0
Chemical Formula: C16H19N3O4S
Exact Mass: 349.1096
Molecular Weight: 349.4
Elemental Analysis: C, 55.00; H, 5.48; N, 12.03; O, 18.32; S, 9.18

Price and Availability

Size Price Availability Quantity
25.0mg USD 460.0 2 Weeks
50.0mg USD 840.0 2 Weeks
100.0mg USD 1530.0 2 Weeks
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Synonym: L-(+)-Ampicillin; Ampicillin, L-; L-Ampicillin; Ampicillin, anhydrous impurity B [EP]; Ampicillin trihydrate impurity B [EP];

IUPAC/Chemical Name: (2S,5R,6R)-6-(2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid


InChi Code: InChI=1S/C16H19N3O4S/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)/t9?,10-,11+,14-/m1/s1

SMILES Code: O=C([C@@H](C(C)(C)S[C@]1([H])[C@@H]2NC(C(N)C3=CC=CC=C3)=O)N1C2=O)O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 349.4 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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