Molekula
Penicillin V potassium salt
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Penicillin V potassium salt is a beta-lactam antibiotic used to treat bacterial infections, particularly those caused by susceptible Gram-positive bacteria. It is available in powder form for research and pharmaceutical applications. CAS: 132-98-9, Molecular Formula: C16H17KN2O5S, Molecular Weight: 388.48 g/mol, Storage: 2 to 8 °C, Signal Word: Danger. Molekula supplies Penicillin V potassium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £62.10 per pack ex VAT · £74.52 inc. VAT
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100 g — £202.50 per pack ex VAT · £243.00 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White or almost white crystalline powder |
| Water | ≤ 1.0 % |
| Specific rotation | 225 ± 10 Degrees |
| pH | 5-7.5 |
| Assay | 95.0%~102.0% |
| Potency | To Report |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White, colorless crystalline powder |
| Odour | Odorless |
| pKa | pKa = 2.73 |
Source: PubChem CID 23676814 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 55440700 |
| CAS Number | 132-98-9 |
| IUPAC Name | potassium (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenoxyacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate |
| EC Number | 205-086-5 |
| Molecular Formula | C16H17KN2O5S |
| Molecular Weight | 388.48 |
| Exact Mass | 388.0495 |
| SMILES | CC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)COC3=CC=CC=C3)C(=O)[O-])C.[K+] |
| InChIKey | HCTVWSOKIJULET-LQDWTQKMSA-M |
| InChI | InChI=1S/C16H18N2O5S.K/c1-16(2)12(15(21)22)18-13(20)11(14(18)24-16)17-10(19)8-23-9-6-4-3-5-7-9;/h3-7,11-12,14H,8H2,1-2H3,(H,17,19)(H,21,22);/q;+1/p-1/t11-,12+,14-;/m1./s1 |
| PubChem CID | 23676814 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2941.10.5000 |
| Tariff Code | 2941100000 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H317 May cause an allergic skin reaction
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Antibiocin
- Beepen-VK
- Ledercillin VK
- Penapar-Vk
- Penicillin V potassium
- PENICILLIN VK
- phenoxymethylpenicillin potassium
- Potassium penicillin V
- Primcillin
- Veetids
Frequently asked questions
What is Penicillin V potassium salt used for?
It is used as an antibiotic to treat bacterial infections, particularly those caused by susceptible Gram-positive bacteria.
What is the chemical formula and molecular weight of Penicillin V potassium salt?
The formula is C16H17KN2O5S with a molecular weight of 388.48 g/mol.
How should Penicillin V potassium salt be stored?
It should be stored at 2 to 8 °C and protected from light and moisture.
What grade of Penicillin V potassium salt does Molekula supply?
Molekula supplies Penicillin V potassium salt in pharmaceutical grade.
Can Molekula supply Penicillin V potassium salt in bulk?
Yes, Molekula can supply Penicillin V potassium salt in bulk quantities upon request.
What documentation comes with a purchase of Penicillin V potassium salt?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.