Molekula
Rifaximin
Rifaximin is a broad-spectrum, non-absorbable antibiotic used primarily to treat gastrointestinal infections, including traveler’s diarrhea and hepatic encephalopathy. It is a rifamycin-class compound with activity against Gram-positive and Gram-negative bacteria. CAS: 80621-81-4, Molecular Formula: C43H51N3O11, Molecular Weight: 785.88 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Rifaximin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Rifaximin is a broad-spectrum, non-absorbable antibiotic used primarily to treat gastrointestinal infections, including traveler’s diarrhea and hepatic encephalopathy. It is a rifamycin-class compound with activity against Gram-positive and Gram-negative bacteria. CAS: 80621-81-4, Molecular Formula: C43H51N3O11, Molecular Weight: 785.88 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Rifaximin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Red-orange to dark red crystalline powder |
| Heavy metals | ≤20ppm |
| Identification | Conforms to reference |
| Loss on Drying | ≤4.5% |
| Residue on Ignition | ≤0.1% |
| Assay (On Dry Basis) | ≥95% |
| One Peak | ≤1.0% |
| Sum of Peaks | ≤3.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 9 |
| Packing Group | III |
| Shelf Life | 60 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 80621-81-4 |
| Molecular Formula | C43H51N3O11 |
| Molecular Weight | 785.88 |
| SMILES | C[C@H]1/C=C/C=C(\C(=O)NC2=C(C3=C(C4=C(C(=C3O)C)O[C@@](C4=O)(O/C=C/[C@@H]([C@H]([C@H]([C@@H]([C@@H]([C@@H]([C@H]1O)C)O)C)OC(=O)C)C)OC)C)C5=C2N6C=CC(=CC6=N5)C)O)/C |
| EC / UN Number | 3077 |
| REACH Code | Y110 |
| HTS Code | 2941903000 |
| Tariff Code | 2941900000 |
Safety & GHS
-
Explosive
GHS01
-
Flammable
GHS02
-
Toxic
GHS06
Hazard statements
- H312 Harmful in contact with skin
- H332 Harmful if inhaled
- H351 Suspected of causing cancer
- H361 Suspected of damaging fertility or the unborn child
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Rifaximin used for?
Rifaximin is an antibiotic used primarily for treating traveler's diarrhea and hepatic encephalopathy. It is not absorbed systemically and acts locally in the gastrointestinal tract.
What is the chemical formula and molecular weight of Rifaximin?
The chemical formula of Rifaximin is C43H51N3O11, and its molecular weight is 785.88 g/mol.
How should Rifaximin be stored?
Rifaximin should be stored at 2 to 8 °C, protected from light and moisture.
What grade of Rifaximin does Molekula supply?
Molekula supplies Rifaximin in research-grade purity, suitable for laboratory use.
Can Molekula supply Rifaximin in bulk quantities?
Yes, Molekula can supply Rifaximin in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a Rifaximin 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.