(1A,2A,4A,5A,7A)-7-[(Hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatri-cyclo[3.3.1.02.4]nonane bromide (1a,2,4,5a,7)-7-[(2-Hydroxy-2,2-di-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide 186691-13-4 7-((Hydroxybis(2-thienyl)acetyl)oxy)-9,9-dimethyl-3-oxa-9-azoniatricyclo(3.3.1.0(2,4))nonane bromide 7-{[hydroxy(dithiophen-2-yl)acetyl]oxy}-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide BA 679 BR BA 679BR BA-679 BR BA-679-BR D0P1WA Spiriva Spiriva (TN) Spiriva Handihaler Spiriva Respimat TIOTROPIUM BROMIDE Tiotropium Tiotropium bromide [USAN:INN] CAS 186691-13-4

Purity 97%+In StockPharmaceutical Standards
CAS No.186691-13-4
Molecular FormulaC19H22NO4S2
Molecular Weight392.51 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(1A,2A,4A,5A,7A)-7-[(Hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatri-cyclo[3.3.1.02.4]nonane bromide (1a,2,4,5a,7)-7-[(2-Hydroxy-2,2-di-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide 186691-13-4 7-((Hydroxybis(2-thienyl)acetyl)oxy)-9,9-dimethyl-3-oxa-9-azoniatricyclo(3.3.1.0(2,4))nonane bromide 7-{[hydroxy(dithiophen-2-yl)acetyl]oxy}-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide BA 679 BR BA 679BR BA-679 BR BA-679-BR D0P1WA Spiriva Spiriva (TN) Spiriva Handihaler Spiriva Respimat TIOTROPIUM BROMIDE Tiotropium Tiotropium bromide [USAN:INN] CAS 186691-13-4 chemical structure

Description

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO supplies (1A,2A,4A,5A,7A)-7-[(Hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatri-cyclo[3.3.1.02.4]nonane bromide (1a,2,4,5a,7)-7-[(2-Hydroxy-2,2-di-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide 186691-13-4 7-((Hydroxybis(2-thienyl)acetyl)oxy)-9,9-dimethyl-3-oxa-9-azoniatricyclo(3.3.1.0(2,4))nonane bromide 7-{[hydroxy(dithiophen-2-yl)acetyl]oxy}-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide BA 679 BR BA 679BR BA-679 BR BA-679-BR D0P1WA Spiriva Spiriva (TN) Spiriva Handihaler Spiriva Respimat TIOTROPIUM BROMIDE Tiotropium Tiotropium bromide [USAN:INN] (CAS 186691-13-4), a certified reference material (molecular formula C19H22NO4S2, MW 392.51 g/mol) for analytical method development and quality control.

(1A,2A,4A,5A,7A)-7-[(Hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatri-cyclo[3.3.1.02.4]nonane bromide (1a,2,4,5a,7)-7-[(2-Hydroxy-2,2-di-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide 186691-13-4 7-((Hydroxybis(2-thienyl)acetyl)oxy)-9,9-dimethyl-3-oxa-9-azoniatricyclo(3.3.1.0(2,4))nonane bromide 7-{[hydroxy(dithiophen-2-yl)acetyl]oxy}-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide BA 679 BR BA 679BR BA-679 BR BA-679-BR D0P1WA Spiriva Spiriva (TN) Spiriva Handihaler Spiriva Respimat TIOTROPIUM BROMIDE Tiotropium Tiotropium bromide [USAN:INN] (C19H22NO4S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

As a certified reference material (CRM), (1A,2A,4A,5A,7A)-7-[(Hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatri-cyclo[3.3.1.02.4]nonane bromide (1a,2,4,5a,7)-7-[(2-Hydroxy-2,2-di-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide 186691-13-4 7-((Hydroxybis(2-thienyl)acetyl)oxy)-9,9-dimethyl-3-oxa-9-azoniatricyclo(3.3.1.0(2,4))nonane bromide 7-{[hydroxy(dithiophen-2-yl)acetyl]oxy}-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide BA 679 BR BA 679BR BA-679 BR BA-679-BR D0P1WA Spiriva Spiriva (TN) Spiriva Handihaler Spiriva Respimat TIOTROPIUM BROMIDE Tiotropium Tiotropium bromide [USAN:INN] meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC19H22NO4S2
Molecular Weight392.51 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2010
Nitrogen Atoms1
Sulfur Atoms2

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