Molekula
Cefazolin
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
Cefazolin is a first-generation cephalosporin antibiotic used to treat bacterial infections, including skin, respiratory, and urinary tract infections. It works by inhibiting bacterial cell wall synthesis, making it effective against a range of Gram-positive and some Gram-negative bacteria. Cefazolin has a CAS number of 25953-19-9, with the molecular formula C14H14N8O4S3 and a molecular weight of 454.51 g/mol. It should be stored at ambient temperatures, with a signal word of Danger due to its hazardous properties. Molekula supplies Cefazolin 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 off-white solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 198-200 °C (decomposes) |
| log P (octanol/water) | -0.58 |
Source: PubChem CID 33255 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90035483 |
| CAS Number | 25953-19-9 |
| IUPAC Name | (6R,7R)-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-7-[[2-(tetrazol-1-yl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
| EC Number | 247-362-8 |
| Molecular Formula | C14H14N8O4S3 |
| Molecular Weight | 454.51 |
| Exact Mass | 454.03 |
| SMILES | CC1=NN=C(S1)SCC2=C(N3[C@@H]([C@@H](C3=O)NC(=O)CN4C=NN=N4)SC2)C(=O)O |
| InChIKey | MLYYVTUWGNIJIB-BXKDBHETSA-N |
| InChI | InChI=1S/C14H14N8O4S3/c1-6-17-18-14(29-6)28-4-7-3-27-12-9(11(24)22(12)10(7)13(25)26)16-8(23)2-21-5-15-19-20-21/h5,9,12H,2-4H2,1H3,(H,16,23)(H,25,26)/t9-,12-/m1/s1 |
| PubChem CID | 33255 |
| REACH Code | Y110 |
| HTS Code | 2941.90.30.00 |
| Tariff Code | 2941900000 |
Safety & GHS
-
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
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P332+313 IF skin irritation occurs: Get medical advice/attention
- P362 Take off contaminated clothing and wash before reuse
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
- Cefamezin
- Cefazolin acid
- Cefazolina
- Cefazoline
- Cefazolinum
- Cephamezine
- Cephazolidin
- Cephazolin
- Cephazoline
- Elzogram
Frequently asked questions
What is cefazolin used for?
Cefazolin is a first-generation cephalosporin antibiotic used to treat bacterial infections, including skin, respiratory, urinary tract, and soft tissue infections.
What is the chemical formula and molecular weight of cefazolin?
The chemical formula is **C₁₄H₁₄N₈O₄S₃**, and the molecular weight is **454.51 g/mol**.
What safety classification does cefazolin have?
Cefazolin is classified with the **signal word 'Danger'** due to its hazardous properties.
How should cefazolin be stored?
Store cefazolin at **ambient temperature**, away from moisture and direct sunlight.
Does Molekula supply cefazolin in bulk quantities?
Yes, Molekula can supply cefazolin in bulk, with quantities tailored to your requirements—please contact us for pricing and availability.
What documentation comes with a cefazolin order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and a **Packing List** for traceability and compliance.
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.