Molekula
Cefaclor (EP)
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
Cefaclor (EP) is a semi-synthetic cephalosporin antibiotic used for treating bacterial infections. It is available in high purity for pharmaceutical research and production. CAS: 53994-73-3, Molecular Formula: C15H14ClN3O4S, Molecular Weight: 367.81 g/mol, Storage: 2 to 8 °C, Signal Word: Danger. Molekula supplies Cefaclor (EP) 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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1 g — £65.30 per pack ex VAT · £78.36 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 to slightly yellow powder or crystalline powder |
| Grade | USP |
| Water | 3.0 - 6.5% |
| Identification | Conforms to reference |
| pH | 3.0 - 4.5 |
| Individual impurity | ≤ 0.5% |
| Total Impurities | ≤ 2.0% |
| Residual Solvents: Methanol | ≤ 0.3% |
| Assay (Anhydrous) | ≥ 95.0% |
| Residual Solvents: Acetone | ≤ 0.5% |
| Residual Solvents: DMF | ≤ 0.088% |
| Residual solvents: Methylene chloride | ≤ 0.06% |
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 |
|---|---|
| Melting Point | 327 °C |
Source: PubChem CID 51039 (DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 18621043 |
| CAS Number | 53994-73-3 |
| IUPAC Name | (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
| EC Number | 258-909-5 |
| Molecular Formula | C15H14ClN3O4S |
| Molecular Weight | 367.81 |
| Exact Mass | 367.0394 |
| SMILES | C1C(=C(N2[C@H](S1)[C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)C(=O)O)Cl |
| InChIKey | QYIYFLOTGYLRGG-GPCCPHFNSA-N |
| InChI | InChI=1S/C15H14ClN3O4S/c16-8-6-24-14-10(13(21)19(14)11(8)15(22)23)18-12(20)9(17)7-4-2-1-3-5-7/h1-5,9-10,14H,6,17H2,(H,18,20)(H,22,23)/t9-,10-,14-/m1/s1 |
| PubChem CID | 51039 |
| REACH Code | Y110 |
| HTS Code | 29419000 |
| Tariff Code | 2941900000 |
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
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 3-Chloro-7-D-(2-phenylglycinamido)-3-cephem-4-carboxylic acid
- Ceclor
- Ceclor CD
- cefaclor
- Cefaclor anhydrous
- Cefaclorum
- Cephaclor
- Lilly 99638
- Raniclor
- S 6472
Frequently asked questions
What is Cefaclor (EP) used for?
Cefaclor (EP) is a second-generation cephalosporin 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 Cefaclor (EP)?
The chemical formula is C15H14ClN3O4S and the molecular weight is 367.81 g/mol.
How should Cefaclor (EP) be stored?
Cefaclor (EP) should be stored at 2 to 8 °C and protected from light and moisture.
What grade of Cefaclor (EP) is available?
Molekula supplies Cefaclor (EP) in EP (European Pharmacopoeia) grade, suitable for pharmaceutical applications.
Can Molekula supply Cefaclor (EP) in bulk?
Yes, Molekula can supply Cefaclor (EP) in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Cefaclor (EP) order?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific documentation.
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.