Penicillin G (potassium)
Penicillin G potassium is a fast-acting penicillin family antibiotic. Penicillin G potassium can be used for the research of bacterial infections that affect the blood, heart, lungs, joints, and genital areas[1][2].
Product Specifications
CAS Number
[113-98-4]
Product Name Alternative
Benzylpenicillin (potassium)
UNSPSC
12352005
Hazard Statement
H317
Target
Antibiotic; Bacterial
Type
Natural Products
Related Pathways
Anti-infection
Applications
COVID-19-immunoregulation
Field of Research
Infection
Assay Protocol
https://www.medchemexpress.com/Penicillin-G-potassium.html
Purity
99.74
Solubility
H2O : 100 mg/mL (ultrasonic)
Smiles
O=C([C@@H](C(C)(C)S[C@]1([H])[C@@H]2NC(CC3=CC=CC=C3)=O)N1C2=O)O[K]
Molecular Formula
C16H17KN2O4S
Molecular Weight
372.48
Precautions
H317
References & Citations
[1]Roussel AJ, et al. Evaluation of the effects of penicillin G potassium and potassium chloride on the motility of the large intestine in horses. Am J Vet Res. 2003 Nov;64 (11) :1360-3.|[2]Byra C, et al. Decreased mortality of weaned pigs with Streptococcus suis with the use of in-water potassium penicillin G. Can Vet J. 2011 Mar;52 (3) :272-6.|[3]Lehtinen J, et al. Promethazine renders Escherichia coli susceptible to penicillin G: real-time measurement of bacterial susceptibility by fluoro-luminometry. Int J Antimicrob Agents. 2007 Jul;30 (1) :44-51.
Shipping Conditions
Room Temperature
Storage Conditions
4°C (Powder, sealed storage, away from moisture)
Scientific Category
Natural Products
Clinical Information
Launched
Isoform
β-lactam
Citation 01
Adv Sci (Weinh) . 2025 Jul 17:e03098.|Anal Bioanal Chem. 2025 Jan;417 (3) :615-625.|Eur J Med Chem. 2024 Dec 5:279:116842.|Eur Rev Med Pharmaco. 2019 Sep;23 (17) :7419-7429.|J Control Release. 2024 Oct 26:S0168-3659 (24) 00725-9.|Microbiol Spectr. 2025 Oct 15:e0122125.|NPJ Biofilms Microbiomes. 2024 Oct 28;10 (1) :111.|Phytomedicine. 2025 Dec:149:157553.|Water. 2025 Jun 6.|Appl Microbiol Biotechnol. 2022 Apr;106 (7) :2689-2702.|Chemosphere. 2019 Jun:225:378-387.|EBioMedicine. 2022 Apr;78:103943.|Front Physiol. 2020; 11: 605982.|Genes Dis. 2025 Apr 09.|In Vitro Cell Dev Biol Anim. 2024 Oct;60 (9) :1046-1057.|J Neuroinflammation. 2025 Aug 26;22 (1) :207.|Theranostics. 2022 Jan 1;12 (3) :1187-1203.|BMC Cancer. 2023 Mar 14;23 (1) :241.|BMC Complement Med Ther. 2023 Jul 1;23 (1) :218.|Cancer Res. 2023 Apr 4;83 (7) :1048-1061.|Cancers (Basel) . 2022 Sep 28;14 (19) :4740.|Int Immunopharmacol. 2024 Feb 15:128:111524.|Oncol Lett. 2025 Jun 10;30 (2) :387.
Available Sizes
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