C16H17KN2O4S
372.5 g/mol
APIDanger
Penicillin G potassium
CAS113-98-4EC204-038-0
Category
API
Compound Class
Organic Acid
Primary Use
Pharmaceutical Raw Material
Penicillin G potassium is a beta-lactam antibiotic compound used as an active pharmaceutical ingredient in the production of antibacterial medications. It is a salt form of benzylpenicillin, characterized by a moderate molecular weight, slight polarity, and the presence of both amide and carboxylate functional groups, along with a thiazolidine ring system.
pharmaceutical manufacturing raw materialantibiotic compound for drug formulation
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Penicillin g sodium
CAS69-57-8
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SimilarStructure SimilarSimilarity 0.72
Penicillin v potassium
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ReferenceSame Category
(5E)-calcipotriol
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pharmaceutical raw material
ReferenceSame Category
4-TERT-BUTYLCALIX[4!ARENE TETRAACETIC ACID
CAS113215-72-8
pharmaceutical raw material
ReferenceSame Category
N2-((1S)-1-carboxy-3-cyclohexylpropyl)-L-lysyl-L-proline
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ReferenceSame Category
(1R,2S,6R,7S)-4-[[(1R,2R)-2-[[4-(1,2-benzothiazol-3-yl)-2,2,3,3,5,5,6,6-octadeuteriopiperazin-1-yl]methyl]cyclohexyl]methyl]-4-azatricyclo[5.2.1.02,6]decane-3,5-dione
CAS1132654-54-6
pharmaceutical raw material
Referencestereoisomer of
Benzathine benzylpenicillin
CAS1538-09-6
pharmaceutical raw material
Referencestereoisomer of
Penicillin G procaine hydrate
CAS6130-64-9
pharmaceutical raw material
Safety Reference
Danger
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Penicillin G potassium (CAS 113-98-4) is 2941.10.
HS code (international, 6-digit)
2941.10
EU CN code (8-digit)
2941 10 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
potassium (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
InChIKey
IYNDLOXRXUOGIU-LQDWTQKMSA-M
SMILES
CC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)CC3=CC=CC=C3)C(=O)[O-])C.[K+]
Synonyms (89)
- E705
- Benzylpenicillin potassium, European Pharmacopoeia (EP)
- PenAqua Sol-G, Penicillin G Potassium, USP
- Penicillin G potassium (USP)
- Penicillin G potassium salt, meets USP testing specifications, powder
- Penicillin G potassium, United States Pharmacopeia (USP)
- Benzylpenicillin potassium
- Benzylpenicillin potassium RS
- C-Cillin
- Capicillin
- Cilloral potassium salt
- Cintrisul
- Cosmopen potassium salt
- Cristapen
- Eskacillin
- Falapen
- Forpen
- Han-Pen
- Hipercilina
- Hyasorb
- Hylenta
- Lemopen
- Liquapen
- Megacillin tablets
- Monopen
- Novocillin vet.
- PENTIDS'250
- PENTIDS'400
- PENTIDS'800
- Paclin G
- PenAqua Sol-G
- Penalev
- Penicillin G K
- Penicillin G potassium
- Penicillin G potassium salt
- Penicilline G potassium
- Penisem
- Pentid
- Pentids
- Pentids'200'
- Pfizerpen
- Pfizerpen (TN)
- Pfizerpen G
- Potassium benzylpenicillin
- Potassium benzylpenicillin G
- Potassium benzylpenicillinate
- Potassium penicillin G
- Qidpen G
- R-Pen
- SK-Penicillin G
- Scotcil
- Solu-Pen
- Sugracillin
- Tabilin
- Tu Cillin
- Van-Pen-G
- benzylpenicilline potassique
- benzylpenicillinum kalicum
- penicilline
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