Molekula
Cefdinir
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
Cefdinir is a third-generation cephalosporin antibiotic used to treat bacterial infections. It works by inhibiting bacterial cell wall synthesis. Available with CAS number 91832-40-5, molecular formula C14H13N5O5S2, and molecular weight 395.41 g/mol. Stored at ambient temperatures. Signal word: Danger. Molekula supplies Cefdinir 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
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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100 mg — £108.90 per pack ex VAT · £130.68 inc. VAT
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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 light yellow crystalline powder |
| Water | 2.0% max |
| Specific rotation | -58°- -66 ° |
| Heavy metals | 10ppm max |
| Acetonitrile | 0.041% max |
| Assay | >94% (anhydrous) |
| Related Substances | 3.0% max |
| Absorption | 570-610(287nm) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| pKa | pKa = 9.7 |
Source: PubChem CID 6915944 (DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 64816621 |
| CAS Number | 91832-40-5 |
| IUPAC Name | (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyiminoacetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
| Molecular Formula | C14H13N5O5S2 |
| Molecular Weight | 395.41 |
| Exact Mass | 395.0358 |
| SMILES | C=CC1=C(N2[C@@H]([C@@H](C2=O)NC(=O)/C(=N\O)/C3=CSC(=N3)N)SC1)C(=O)O |
| InChIKey | RTXOFQZKPXMALH-GHXIOONMSA-N |
| InChI | InChI=1S/C14H13N5O5S2/c1-2-5-3-25-12-8(11(21)19(12)9(5)13(22)23)17-10(20)7(18-24)6-4-26-14(15)16-6/h2,4,8,12,24H,1,3H2,(H2,15,16)(H,17,20)(H,22,23)/b18-7-/t8-,12-/m1/s1 |
| PubChem CID | 6915944 |
| REACH Code | Y110 |
| HTS Code | 29419050 |
| 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
- USH01 May form combustible dust concentrations in air
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
Documents
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
- Cefdinir anhydrous
- Cefdinir-15N2,13C
- Cefdinirum
- Cefdinyl
- Cefdirnir
- Ceftinex
- Cefzon
- CFDN
- FK 482
- Omnicef
Frequently asked questions
What is Cefdinir used for?
Cefdinir is a third-generation cephalosporin antibiotic used to treat bacterial infections such as respiratory tract infections, skin infections, and otitis media.
What is the chemical formula and molecular weight of Cefdinir?
The chemical formula of Cefdinir is C14H13N5O5S2, and its molecular weight is 395.41 g/mol.
How should Cefdinir be stored?
Cefdinir should be stored at ambient temperature, protected from moisture and light.
What grade of Cefdinir is available?
Molekula supplies Cefdinir in research grade, suitable for laboratory use.
Can Molekula supply Cefdinir in bulk?
Yes, Molekula can supply Cefdinir in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Cefdinir order?
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.