Rifaximin Beta Polymorphic Form

Name: Rifaximin Beta Polymorphic Form
Brand: Vaqora Chemicals
SKU: VQ-013761

About Rifaximin Beta Polymorphic Form

Rifaximin Beta Polymorphic Form is a process intermediate or related compound of Rifaximin carrying the CAS registry number 80621-81-4 at a purity of 99%. Formula C43H51N3O11, molecular weight 785.9 g/mol. Common synonyms include Rifaximin and Rifaxidin.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Process chemists and analysts use it when developing synthetic routes to Rifaximin, tracking process-related impurities and validating analytical methods. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. Stock is available for quick dispatch.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Rifaximin

View every impurity, metabolite and intermediate we list for Rifaximin.

Rifaximin impurities

Specifications & identifiers

Chemical identifiers
Product name	Rifaximin Beta Polymorphic Form
Catalogue No.	VQ-013761
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
Molecular weight	785.9 g/mol
Exact mass	785.3524
Grade	Reference Standard
Purity / assay	99%
HSN code	2933
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

Physical properties
Physical form	Solid
LogP (XLogP3)	6.9
H-bond donors / acceptors	5 / 12
TPSA	198 Å²
Synonyms	Rifaximin, Rifaxidin, Rifacol, Rifamycin L 105, 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, Fatroximin, Ritacol, Rifaxin

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 80621-81-4

Reference Standard

Rifaximin

CAS: 80621-81-4
Formula: C₄₃H₅₁N₃O₁₁
MW: 785.9 g/mol

In stock

Frequently asked questions

What is the CAS number of Rifaximin Beta Polymorphic Form?

The CAS Registry Number of Rifaximin Beta Polymorphic Form is 80621-81-4. It is also known as Rifaximin, Rifaxidin, Rifacol.

What is the molecular formula and molecular weight of Rifaximin Beta Polymorphic Form?

Rifaximin Beta Polymorphic Form has the molecular formula C43H51N3O11 and a molecular weight of 785.9 g/mol.

What is Rifaximin Beta Polymorphic Form used for?

Rifaximin Beta Polymorphic Form is supplied as a characterised reference material related to Rifaximin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Rifaximin Beta Polymorphic Form can I order?

We supply Rifaximin Beta Polymorphic Form in Reference Standard (99%) grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Rifaximin Beta Polymorphic Form?

Yes. Every lot of Rifaximin Beta Polymorphic Form is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Rifaximin Beta Polymorphic Form be shipped internationally?

Yes. Rifaximin Beta Polymorphic Form is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.