Molekula
Cefixime - USP CRS
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
Cefixime USP CRS is a third-generation cephalosporin antibiotic used primarily as a chemical reference standard for pharmaceutical development, quality control, and analytical testing. It serves as a benchmark for verifying the identity, purity, and potency of cefixime formulations in drug manufacturing and research. Cefixime USP CRS has a CAS number of 125110-14-7, with the molecular formula C16H15N5O7S2 · 3H2O and a molecular weight of 507.50 g/mol. It is stored at ambient conditions and carries a "Danger" signal word per GHS classification. Molekula supplies Cefixime USP CRS 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 | Light yellow solid |
| Standard | Conforms to USP |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90033522 |
| CAS Number | 125110-14-7 |
| Molecular Formula | C16H15N5O7S2 · 3H2O |
| Molecular Weight | 507.50 |
| SMILES | C=CC1=C(N2C(C(C2=O)NC(=O)C(=NOCC(=O)O)C3=CSC(=N3)N)SC1)C(=O)O.O.O.O |
| REACH Code | Y110 |
| HTS Code | 29419010 |
| Tariff Code | 2941900000 |
Safety & GHS
-
Health Hazard
GHS07
-
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
- P332+313 IF skin irritation occurs: 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
No alternate names recorded for this product.
Frequently asked questions
What is Cefixime USP CRS commonly used for?
Cefixime USP CRS is primarily used as a pharmaceutical reference standard for analytical testing, quality control, and method validation in cephalosporin antibiotic formulations.
What is the chemical formula and molecular weight of Cefixime USP CRS?
The chemical formula is **C₁₆H₁₅N₅O₇S₂·3H₂O**, and the molecular weight is **507.50 g/mol**.
How should Cefixime USP CRS be stored?
Store at **ambient temperature** in a dry, well-ventilated area, away from direct sunlight and moisture.
What grade of Cefixime is available from Molekula?
Molekula supplies **USP CRS (Certified Reference Standard)** grade for pharmaceutical applications.
Can Molekula supply Cefixime USP CRS in bulk quantities?
Yes, bulk quantities are available upon request—please contact our sales team for pricing and lead times.
What documentation comes with an order of Cefixime USP CRS?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.