Tiotropium EP Impurity I

About Tiotropium EP Impurity I

Tiotropium EP Impurity I is a pharmacopeial impurity of Tiotropium carrying the CAS registry number 136521-48-7. Formula C19H22BrNO4S2, molecular weight 472.4 g/mol. Alternative names: Tiotropium Bromide - Impurity I and Tiotropium Impurity I Bromide.

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. Good laboratory practice and suitable PPE are recommended during handling.

This Tiotropium impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

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

Industries

Related to Tiotropium

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

Tiotropium impurities

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Specifications & identifiers

Chemical identifiers
Product name	Tiotropium EP Impurity I
Catalogue No.	VQ-028401
CAS Number	136521-48-7
IUPAC name	[(1R,2S,4S,5S)-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonan-7-yl] 2-hydroxy-2,2-dithiophen-2-ylacetate bromide
Molecular formula	C₁₉H₂₂BrNO₄S₂
Molecular weight	472.4 g/mol
Exact mass	471.0174
Grade	Reference Standard
HSN code	38229090
InChIKey	DQHNAVOVODVIMG-DHTGCHNQSA-M
SMILES	C[N+]1([C@@H]2CC(C[C@H]1[C@H]3[C@H]2O3)OC(=O)C(C4=CC=CS4)(C5=CC=CS5)O)C.[Br-]
PubChem CID	131950

Physical properties
Physical form	Solid
H-bond donors / acceptors	1 / 7
TPSA	116 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 Tiotropium EP Impurity I?

The CAS Registry Number of Tiotropium EP Impurity I is 136521-48-7. It is also known as Tiotropium Bromide - Impurity I, Tiotropium Impurity I Bromide.

What is the molecular formula and molecular weight of Tiotropium EP Impurity I?

Tiotropium EP Impurity I has the molecular formula C19H22BrNO4S2 and a molecular weight of 472.4 g/mol. Its IUPAC name is [(1R,2S,4S,5S)-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonan-7-yl] 2-hydroxy-2,2-dithiophen-2-ylacetate bromide.

What is Tiotropium EP Impurity I used for?

Tiotropium EP Impurity I is supplied as a characterised reference material related to Tiotropium. 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 Tiotropium EP Impurity I can I order?

We supply Tiotropium EP Impurity I 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 Tiotropium EP Impurity I?

Yes. Every lot of Tiotropium EP Impurity I 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 Tiotropium EP Impurity I be shipped internationally?

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