- Package
- 1 g
- Purity
- 98%
- Price
- Request review
- Availability
- Shipping review required
- Delivery
- Shipping review required
CAS Number: 80621-81-4
Submit an RFQ to review pricing, availability, lead time, pack size, purity, COA, and supplier SDS for this catalog entry.
Available options
Shipping review is required before pricing or stock can be confirmed publicly. Shipping, duties, and documentation fees are confirmed before order acceptance.
CAS Number
80621-81-4
PubChem CID
6436173
Molecular Formula
C43H51N3O11
Molecular Weight
785.9 g/mol
Exact Mass
785.352359
InChIKey
NZCRJKRKKOLAOJ-XRCRFVBUSA-N
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
SMILES String
CO[C@H]1/C=C/O[C@@]2(C)Oc3c(C)c(O)c4c(O)c(c5c(nc6cc(C)ccn65)c4c3C2=O)NC(=O)/C(C)=C\C=C\[C@H](C)[C@H](O)[C@@H](C)[C@@H](O)[C@@H](C)[C@H](OC(C)=O)[C@@H]1C
No physical property values available.
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Structural features
Rifaximin (CAS 80621-81-4) is listed in the Pharmaceutical Intermediates portfolio, with molecular formula C43H51N3O11 and molecular weight 785. 90 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Intended for research-stage medicinal chemistry and intermediate synthesis workflows; structure-derived tags include nitrogen-containing heterocycle.
Documentation needs
COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.
ChEMBL reports experimental activity evidence for: Nuclear receptor subfamily 1 group I member 2 (Homo sapiens) — 8 assays; Alpha-1A adrenergic receptor (Homo sapiens) — 3 assays; Cannabinoid receptor 1 (Homo sapiens) — 3 assays; 5-hydroxytryptamine receptor 2A (Homo sapiens) — 2 assays; 5-hydroxytryptamine receptor 2B (Homo sapiens) — 2 assays. These records describe research assays and do not establish therapeutic efficacy or clinical use.
Nuclear receptor subfamily 1 group I member 2
Homo sapiens · SINGLE PROTEIN · 8 qualifying assays · 5 documents · best pChEMBL 5.66
Experimental evidence source: ChEMBL
Alpha-1A adrenergic receptor
Homo sapiens · SINGLE PROTEIN · 3 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Cannabinoid receptor 1
Homo sapiens · SINGLE PROTEIN · 3 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
5-hydroxytryptamine receptor 2A
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
5-hydroxytryptamine receptor 2B
Homo sapiens · SINGLE PROTEIN · 2 qualifying assays · 1 documents
Experimental evidence source: ChEMBL
Safety and handling reference content is available through documentation requests.
For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.
Preliminary Safety Reference
For supplier-issued SDS or COA, submit a documentation request.
Safety Reference / SDS RequestCatalog navigation
Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.
Rifaximin is identified by CAS 80621-81-4, with molecular formula C43H51N3O11, molecular weight 785.9, InChIKey NZCRJKRKKOLAOJ-XRCRFVBUSA-N.
ChEMBL contains qualifying experimental assay evidence associated with Nuclear receptor subfamily 1 group I member 2, Alpha-1A adrenergic receptor, Cannabinoid receptor 1, 5-hydroxytryptamine receptor 2A, 5-hydroxytryptamine receptor 2B. These records do not establish therapeutic efficacy or clinical use.
Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.
Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.
Availability, pack size, lead time, and pricing are confirmed through RFQ.
Submit the CAS number, quantity, purity requirement, and destination country for sourcing review.