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Penicillin G
CAS: 61-33-6 | C16H18N2O4S
2D Structure
3D Structure
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Basic Information
CAS Registry Number:
61-33-6
Molecular Formula:
C16H18N2O4S
Molecular Mass:
334.40 g/mol
Names and Synonyms:
Penicillin G
4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]- (2S,5R,6R)-
Penicillin G
4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-(2-phenylacetamido)-
4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-[(phenylacetyl)amino]- [2S-(2α,5α,6β)]-
4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-[(phenylacetyl)amino]- (2S,5R,6R)-
(2S,5R,6R)-3,3-Dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Benzyl-6-aminopenicillinic acid
Benzylpenicillin
Liquacillin
Phenylacetamidopenicillanic acid
Benzylpenicillin G
Cilopen
Penicillinic acid, (phenylmethyl)-
Penicillin, (phenylmethyl)-
Specilline G
Benzylpenicillinic acid
Gelacillin
Pradupen
Dropcillin
Pharmacillin
Cilloral
Penicillin
(5R,6R)-Benzylpenicillin
Ursopen
Phenylacetyl-6-aminopenicillanic acid
Free penicillin G
Free penicillin II
Free benzylpenicillin
NSC 193396
Crysticillin 300 AS
(2S,5R,6R)-3,3-Dimethyl-6-(2-(phenylacetylamino)-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
Allpen
(2S,5R,6R)-3,3-Dimethyl-7-oxo-6-(2-phenylacetamido)-4-thia-1-azabicyclo[3.2.0]heptan-2-carboxylic acid
Identifiers:
SMILES:
CC1(C)S[C@@H]2[C@H](N=C(O)Cc3ccccc3)C(=O)N2[C@H]1C(=O)O
InChI:
InChI=1S/C16H18N2O4S/c1-16(2)12(15(21)22)18-13(20)11(14(18)23-16)17-10(19)8-9-6-4-3-5-7-9/h3-7,11-12,14H,8H2,1-2H3,(H,17,19)(H,21,22)/t11-,12+,14-/m1/s1
Key Properties
Melting Point
82-83 °C
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 334.40 g/mol | CAS Common Chemistry |
| 334.39700000000005 g/mol | RDKit | |
| 334.09872805599997 g/mol | RDKit | |
| Canonical SMILES | O=C(O)C1N2C(=O)C(NC(=O)CC=3C=CC=CC3)C2SC1(C)C | CAS Common Chemistry |
| InChI | InChI=1S/C16H18N2O4S/c1-16(2)12(15(21)22)18-13(20)11(14(18)23-16)17-10(19)8-9-6-4-3-5-7-9/h3-7,11-12,14H,8H2,1-2H3,(H,17,19)(H,21,22)/t11-,12+,14-/m1/s1 | CAS Common Chemistry |
| InChI Key | InChIKey=JGSARLDLIJGVTE-MBNYWOFBSA-N | CAS Common Chemistry |
| Melting Point | 82-83 °C | CAS Common Chemistry |
| Name | Penicillin G | CAS Common Chemistry |
| Heavy Atom Count | 23 | RDKit |
| Hydrogen Bond Acceptors | 4 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 4 | RDKit |
| Aromatic Ring Count | 1 | RDKit |
| Topological Polar Surface Area | 90.2 Ų | RDKit |
| LogP | 1.7011 | RDKit |
| Molar Refractivity | 87.72560000000006 | RDKit |
