Rifaximin
Rifaximin (CAS 80621-81-4) supplier Zemixal: C43H51N3O11, COA and SDS with every lot, worldwide shipping. Quotes within one business day.
About Rifaximin
Rifaximin is supplied by Zemixal as a characterised reference material for Rifaximin analysis. For your records (Reference Standard), the material is defined by CAS 80621-81-4, formula C43H51N3O11 and molar mass 785.9 g/mol. It is handled as a solid.
Common uses in the lab and plant
- Identification & assay
- Method development & validation
- QC reference material
Safe handling
It carries the GHS signal word Warning (H312, H332, H335 and H361), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
See every impurity, metabolite and related compound we list for this API.
Rifaximin standardsTypical uses
- Identification & assay
- Method development & validation
- QC reference material
Applications
Specifications and identifiers
| Product name | Rifaximin |
|---|---|
| Catalogue number | ZX-006778 |
| CAS number | 80621-81-4 |
| IUPAC name | [(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17,36-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate |
| Molecular formula | C43H51N3O11 |
| Molar mass | 785.9 g/mol |
| Exact mass | 785.3524 |
| Grade | Reference Standard |
| Purity / assay | 99% |
| Physical form | Solid |
| XLogP3 | 6.9 |
| H-bond donors / acceptors | 5 / 12 |
| Topological polar surface area | 198 Ų |
| HS code | 38229090 |
| InChIKey | NZCRJKRKKOLAOJ-XRCRFVBUSA-N |
| 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 |
| PubChem CID | 6436173 |
| Synonyms | Normix, Xifaxan, Rifamycin L 105, 4-Deoxy-4'-methylpyridol[1',2'-1,2]imidazo[5,4-c]rifamycin SV, Rifacol, Fatroximin, Rifaxidin, Rifaximine, Rifamycin L 105SV, 4-Deoxy-4'-methylpyrido(1',2'-1,2)imidazo(5,4-c)rifamycin SV, 4-deoxy-4'-methylpyrido(1',2'-1,2)imidazo(5,4C)rifamycin, Rifamixin |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H312Harmful in contact with skin
- H332Harmful if inhaled
- H335May cause respiratory irritation
- H361Suspected of damaging fertility or the unborn child
Precautionary statements P203, P261, P271, P280, P302 + P352, P304 + P340, P317, P318, P319, P321, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request | |
| 250 mg | Quoted on request | |
| 500 mg | Quoted on request | |
| 1 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Rifaximin
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Other grades with CAS 80621-81-4
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