Molekula
Ampicillin sodium 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
Ampicillin sodium salt is a semi-synthetic beta-lactam antibiotic used to treat bacterial infections caused by susceptible Gram-positive and Gram-negative organisms. It functions by inhibiting bacterial cell wall synthesis. Available with a CAS number of 69-52-3, molecular formula C16H18N3NaO4S, and molecular weight 371.39 g/mol. Store at 2 to 8 °C. Signal word: Danger.
Molekula supplies Ampicillin sodium salt at 91.0 - 100.5% purity in 25 g and 100 g packs, from £100.56 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 6 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
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 — £83.80 per pack ex VAT · £100.56 inc. VAT
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100 g — £233.40 per pack ex VAT · £280.08 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 off-white powder |
| Water | ≤ 2.0% |
| Heavy metals | ≤ 20ppm |
| Identification | Conforms to reference |
| Assay | 91.0 - 100.5% |
| Optical Rotation | +258 to +287° |
| N,N-dimethylaniline | ≤ 0.2% |
| Potency | 845 to 988µg/mg (anhydrous substance) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Base |
For research use only. Not for human use.
Identification
| Property | Value |
|---|---|
| SKU | 23337642 |
| CAS Number | 69-52-3 |
| IUPAC Name | sodium (2S,5R,6R)-6-[[(2R)-2-amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate |
| EC Number | 200-708-1 |
| Molecular Formula | C16H18N3NaO4S |
| Molecular Weight | 371.39 |
| Exact Mass | 371.0916 |
| SMILES | CC1([C@@H](N2[C@H](S1)[C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)C(=O)[O-])C.[Na+] |
| InChIKey | KLOHDWPABZXLGI-YWUHCJSESA-M |
| InChI | InChI=1S/C16H19N3O4S.Na/c1-16(2)11(15(22)23)19-13(21)10(14(19)24-16)18-12(20)9(17)8-6-4-3-5-7-8;/h3-7,9-11,14H,17H2,1-2H3,(H,18,20)(H,22,23);/q;+1/p-1/t9-,10-,11+,14-;/m1./s1 |
| PubChem CID | 23663979 |
| REACH Code | Y110 |
| HTS Code | 29411010 |
| Tariff Code | 2941100000 |
Safety & GHS
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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
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P333+313 IF skin irritation or a rash occurs: Get medical advice/attention
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, 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
- Ampicillin (as sodium)
- Ampicillin natrium
- AMPICILLIN SODIUM
- Ampicillinum natricum
- D(-)-alpha-Aminobenzylpenicillin sodium salt
- Omnipen-N
- Penbritin-S
- Sodium ampicillin
- Sodium D-(-)-alpha-aminobenzylpenicillin
- Totacillin-N
Frequently asked questions
What is ampicillin sodium salt used for?
Ampicillin sodium salt is a broad-spectrum antibiotic used in research and laboratory settings to inhibit bacterial growth, particularly in Gram-positive and some Gram-negative bacteria.
What is the chemical formula and molecular weight of ampicillin sodium salt?
The formula is C16H18N3NaO4S with a molecular weight of 371.39 g/mol.
How should ampicillin sodium salt be stored?
It should be stored at 2 to 8 °C and protected from light and moisture to maintain stability.
What grade of ampicillin sodium salt does Molekula supply?
Molekula supplies ampicillin sodium salt to a specification with an assay of 91.0 to 100.5% and a potency of 845 to 988 µg/mg (anhydrous substance).
Can Molekula supply ampicillin sodium salt in bulk?
Yes, Molekula can supply ampicillin sodium salt in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of ampicillin sodium salt?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with regulatory standards.
Where can I buy Ampicillin sodium salt?
Directly from Molekula, which lists Ampicillin sodium salt in 25 g and 100 g packs from £100.56 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.