Desacetyl Rifaximin

Name: Desacetyl Rifaximin
Brand: Vaqora Chemicals
SKU: VQ-023635

About Desacetyl Rifaximin

Desacetyl Rifaximin is a metabolite or degradation product of Rifaximin carrying the CAS registry number 80621-88-1. Formula C10H9N3O, molecular weight 187.2 g/mol. The IUPAC name is (E)-3-(4-methylphenyl)prop-2-enoyl azide. It is also known as 25-Desacetyl Rifaximin or p-Methyl-cinnamoyl Azide.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Rifaximin, as well as in QC testing and ANDA/DMF documentation. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Desacetyl Rifaximin is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Rifaximin

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

Rifaximin impurities

Specifications & identifiers

Chemical identifiers
Product name	Desacetyl Rifaximin
Catalogue No.	VQ-023635
CAS Number	80621-88-1
IUPAC name	(E)-3-(4-methylphenyl)prop-2-enoyl azide
Molecular formula	C₁₀H₉N₃O
Molecular weight	187.2 g/mol
Exact mass	187.0746
Grade	Reference Standard
HSN code	38229090
InChIKey	IFVSVRKWJLKNIT-VOTSOKGWSA-N
SMILES	CC1=CC=C(C=C1)/C=C/C(=O)N=[N+]=[N-]
PubChem CID	11217683

Physical properties
Physical form	Solid
LogP (XLogP3)	3.5
H-bond donors / acceptors	0 / 2
TPSA	31.4 Å²
Synonyms	25-Desacetyl Rifaximin, p-Methyl-cinnamoyl Azide, (2E)-3-(4-methylphenyl)prop-2-enoyl azide, (E)-3-(p-tolyl)acryloyl azide, (E)-3-(p-tolyl)prop-2-enoyl azide

Documents

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

Frequently asked questions

What is the CAS number of Desacetyl Rifaximin?

The CAS Registry Number of Desacetyl Rifaximin is 80621-88-1. It is also known as 25-Desacetyl Rifaximin, p-Methyl-cinnamoyl Azide, (2E)-3-(4-methylphenyl)prop-2-enoyl azide.

What is the molecular formula and molecular weight of Desacetyl Rifaximin?

Desacetyl Rifaximin has the molecular formula C10H9N3O and a molecular weight of 187.2 g/mol. Its IUPAC name is (E)-3-(4-methylphenyl)prop-2-enoyl azide.

What is Desacetyl Rifaximin used for?

Desacetyl Rifaximin 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 Desacetyl Rifaximin can I order?

We supply Desacetyl Rifaximin in Reference Standard 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 Desacetyl Rifaximin?

Yes. Every lot of Desacetyl Rifaximin 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 Desacetyl Rifaximin be shipped internationally?

Yes. We export Desacetyl Rifaximin worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.