Molekula
Amoxicillin
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Amoxicillin is a broad-spectrum penicillin antibiotic used to treat bacterial infections. It works by inhibiting bacterial cell wall synthesis. Available with CAS number 26787-78-0, molecular formula C16H19N3O5S, and molecular weight 365.40 g/mol. Store at 2 to 8 °C. Signal word: Danger. Molekula supplies Amoxicillin 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.
Often bought together
Pricing & pack sizes
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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5 g — $204.00 per pack
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 | A white or almost white powder and granule |
| Water | 12 - 15% |
| Single Impurity | ≤ 1.0% |
| Identification | Conforms to reference |
| pH | 3.5 to 6.0 |
| Assay | ≥ 99% |
| Specific optical rotation | +290 to +315 |
| Total Impurities | ≤ 3.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Odour | Penicillin-type odor |
| Melting Point | 194 °C |
| Water Solubility | Soluble in water |
| pKa | pKa = 2.6 |
| log P (octanol/water) | 0.87 |
Source: PubChem CID 33613 (HSDB, DrugBank, ChEMBL)
Identification
| Property | Value |
|---|---|
| SKU | 14503427 |
| CAS Number | 26787-78-0 |
| IUPAC Name | (2S,5R,6R)-6-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid |
| EC Number | 248-003-8 |
| Molecular Formula | C16H19N3O5S |
| Molecular Weight | 365.40 |
| Exact Mass | 365.1045 |
| SMILES | CC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)[C@@H](C3=CC=C(C=C3)O)N)C(=O)O)C |
| InChIKey | LSQZJLSUYDQPKJ-NJBDSQKTSA-N |
| InChI | InChI=1S/C16H19N3O5S/c1-16(2)11(15(23)24)19-13(22)10(14(19)25-16)18-12(21)9(17)7-3-5-8(20)6-4-7/h3-6,9-11,14,20H,17H2,1-2H3,(H,18,21)(H,23,24)/t9-,10-,11+,14-/m1/s1 |
| PubChem CID | 33613 |
| REACH Code | Y110 |
| HTS Code | 2941105000 |
| Tariff Code | 2941100000 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- 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
- P284 Wear respiratory protection
- P302+352 IF ON SKIN: Wash with soap and water
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.
Synonyms
- Amolin
- Amopenixin
- Amoxicilina
- Amoxicillin anhydrous
- Amoxicilline
- Amoxil
- Amoxycillin
- D-Amoxicillin
- Moxal
- p-Hydroxyampicillin
Frequently asked questions
What is Amoxicillin used for?
Amoxicillin is a broad-spectrum antibiotic used to treat bacterial infections such as respiratory tract infections, urinary tract infections, and skin infections.
What is the chemical formula and molecular weight of Amoxicillin?
The chemical formula is C16H19N3O5S and the molecular weight is 365.40 g/mol.
How should Amoxicillin be stored?
Amoxicillin should be stored at 2 to 8 °C and protected from light and moisture.
What grade of Amoxicillin does Molekula supply?
Molekula supplies Amoxicillin in pharmaceutical grade, suitable for research and development purposes.
Can Molekula supply Amoxicillin in bulk?
Yes, Molekula can supply Amoxicillin in bulk quantities; please contact our sales team for pricing and availability.
What documentation comes with an order of Amoxicillin?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
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.