Rifaximin EP Impurity H

Name: Rifaximin EP Impurity H
Brand: Vaqora Chemicals
SKU: VQ-027812

About Rifaximin EP Impurity H

Rifaximin EP Impurity H (CAS 1210022-90-4) is a pharmacopeial impurity of Rifaximin offered by Vaqora Chemicals. With the molecular formula C43H51N3O12, it has a molar mass of 801.9 g/mol. It is also known as Rifaximin - Impurity H or 16-Desmethyl-16-(hydroxymethyl)rifaximin.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. 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. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Rifaximin EP Impurity H in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers 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 H
Catalogue No.	VQ-027812
CAS Number	1210022-90-4
IUPAC name	[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17,36-tetrahydroxy-22-(hydroxymethyl)-11-methoxy-3,7,12,14,16,18,30-heptamethyl-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	C₄₃H₅₁N₃O₁₂
Molecular weight	801.9 g/mol
Exact mass	801.3473
Grade	Reference Standard
HSN code	38229090
InChIKey	QCTUFZPLJLQLQM-SRVBJRABSA-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)/CO
PubChem CID	46927912

Physical properties
Physical form	Solid
LogP (XLogP3)	6.2
H-bond donors / acceptors	6 / 13
TPSA	219 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 H?

The CAS Registry Number of Rifaximin EP Impurity H is 1210022-90-4. It is also known as Rifaximin - Impurity H, 16-Desmethyl-16-(hydroxymethyl)rifaximin, Rifaximin Impurity H.

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

Rifaximin EP Impurity H has the molecular formula C43H51N3O12 and a molecular weight of 801.9 g/mol.

What is Rifaximin EP Impurity H used for?

Rifaximin EP Impurity H 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 H can I order?

We supply Rifaximin EP Impurity H 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 H?

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

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