Cas no 19379-33-0 (Ampicillin Impurity B)

Ampicillin Impurity B structure
Ampicillin Impurity B structure
Product Name:Ampicillin Impurity B
CAS No:19379-33-0
MF:C16H19N3O4S
MW:349.40476
CID:123530
PubChem ID:448911
Update Time:2025-09-28

Ampicillin Impurity B Chemical and Physical Properties

Names and Identifiers

    • 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid, 6-[[(2S)-aminophenylacetyl]amino]-3,3-dimethyl-7-oxo-, (2S,5R,6R)- (9CI)
    • (2S,5R,6R)-6-[[(2S)-2-amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    • L-Ampicillin
    • ((S)-amino-phenyl-methyl)-penicillin
    • (2S,6R)-6-{[(2R)-2-AMINO-2-PHENYLETHANOYL]AMINO}-3,3-DIMETHYL-7-OXO-4-THIA-1-AZABICYCLO[3.2.0]HEPTANE-2-CARBOXYLIC ACID
    • AC1L9MHL
    • AG-E-41637
    • CTK0H2262
    • PN1
    • UNII-SFV84J2559
    • L-(+)-Ampicillin
    • 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-(2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-, L- (8CI)
    • 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[(2S)-aminophenylacetyl]amino]-3,3-dimethyl-7-oxo-, (2S,5R,6R)-
    • 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[(aminophenylacetyl)amino]-3,3-dimethyl-7-oxo-, [2S-[2α,5α,6β(R*)]]-
    • Q27289188
    • AMPICILLIN TRIHYDRATE IMPURITY B [EP IMPURITY]
    • SFV84J2559
    • Ampicillin, anhydrous impurity B [EP]
    • 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-((aminophenylacetyl)amino)-3,3-dimethyl-7-oxo-, (2S-(2alpha,5alpha,6beta(R*)))-
    • DTXSID40172992
    • Ampicillin trihydrate impurity B [EP]
    • Ampicillin, L-
    • (2s,5r,6r)-6-((s)-2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacid
    • 4-THIA-1-AZABICYCLO(3.2.0)HEPTANE-2-CARBOXYLIC ACID, 6-((AMINOPHENYLACETYL)AMINO)-3,3-DIMETHYL-7-OXO-, (2S-(2.ALPHA.,5.ALPHA.,6.BETA.(R*)))-
    • (2S,5R,6R)-6-{[(2S)-2-amino-2-phenylacetyl]amino}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    • Ampicillin Sodium Imp. B (EP); Ampicillin Imp. B (EP); (2S,5R,6R)-6-[[(2S)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid; L-Ampicillin; Ampicillin Sodium Impurity B; Ampicillin Impurity B
    • AMPICILLIN, ANHYDROUS IMPURITY B [EP IMPURITY]
    • (2S,5R,6R)-6-((S)-2-Amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    • (2S,5R,6R)-6-[(2-amino-2-phenylacetyl)amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
    • 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(((2S)-2-amino-2-phenylacetyl)amino)-3,3-dimethyl-7-oxo-, (2S,5R,6R)-
    • (2S,5R,6R)-6-[[(2S)-2-Amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic Acid (L-Ampicillin)
    • 19379-33-0
    • SCHEMBL11612980
    • 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-, L-
    • AKOS005199462
    • 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(((2S)-aminophenylacetyl)amino)-3,3-dimethyl-7-oxo-, (2S,5R,6R)-
    • Ampicillin Impurity B
    • G67112
    • Ampicillin Impurity B
    • 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+/m0/s1
    • InChI Key: AVKUERGKIZMTKX-BBGACYKPSA-N
    • SMILES: S1C(C)(C)[C@H](C(=O)O)N2C([C@H]([C@@]12[H])NC([C@H](C1C=CC=CC=1)N)=O)=O

Computed Properties

  • Exact Mass: 349.10977
  • Monoisotopic Mass: 349.11
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 3
  • Hydrogen Bond Acceptor Count: 6
  • Heavy Atom Count: 24
  • Rotatable Bond Count: 4
  • Complexity: 562
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 4
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: _1.1
  • Topological Polar Surface Area: 138A^2

Experimental Properties

  • Density: 1.5±0.1 g/cm3
  • Melting Point: NA
  • Boiling Point: 683.9±55.0 °C at 760 mmHg
  • Flash Point: 367.4±31.5 °C
  • PSA: 112.73
  • Vapor Pressure: 0.0±2.2 mmHg at 25°C

Ampicillin Impurity B Security Information

Ampicillin Impurity B Pricemore >>

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