Rifaximin EP Impurity G

Name: Rifaximin EP Impurity G
Brand: Vaqora Chemicals
SKU: VQ-027814

About Rifaximin EP Impurity G

Rifaximin EP Impurity G is a pharmacopeial impurity of Rifaximin carrying the CAS registry number 80621-76-7. Its molecular formula is C43H49N3O11 and its molecular weight is 783.9 g/mol. It is also known as Dehydro Rifaximin or Rifaximin - Impurity G.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Rifaximin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Rifaximin EP Impurity G in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Rifaximin

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

Rifaximin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Rifaximin EP Impurity G
Catalogue No.	VQ-027814
CAS Number	80621-76-7
IUPAC name	[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17-trihydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23,36-trioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,24,26(34),28,30,32-undecaen-13-yl] acetate
Molecular formula	C₄₃H₄₉N₃O₁₁
Molecular weight	783.9 g/mol
Exact mass	783.3367
Grade	Reference Standard
HSN code	38229090
InChIKey	UIQBVIBLPYSOHX-GEOWOUTJSA-N
SMILES	C[C@H]1/C=C/C=C(\C(=O)N=C2C3=C(C4=C(C2=O)C(=C(C5=C4C(=O)[C@](O5)(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)C)O)N=C6N3C=CC(=C6)C)/C
PubChem CID	13002733

Physical properties
Physical form	Solid
LogP (XLogP3)	6.3
H-bond donors / acceptors	3 / 12
TPSA	196 Å²

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 Rifaximin EP Impurity G?

The CAS Registry Number of Rifaximin EP Impurity G is 80621-76-7. It is also known as Dehydro Rifaximin, Rifaximin - Impurity G, 6-o,14-Didehydrorifaximin.

What is the molecular formula and molecular weight of Rifaximin EP Impurity G?

Rifaximin EP Impurity G has the molecular formula C43H49N3O11 and a molecular weight of 783.9 g/mol.

What is Rifaximin EP Impurity G used for?

Rifaximin EP Impurity G 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 EP Impurity G can I order?

We supply Rifaximin EP Impurity G 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 Rifaximin EP Impurity G?

Yes. Every lot of Rifaximin EP Impurity G 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 EP Impurity G be shipped internationally?

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