Dinitrogen trioxide (gas) (unlabeled N<SUB>2</SUB>O<SUB>3</SUB>) CAS 10544-73-7

Purity 97%+In StockPharmaceutical Standards
CAS No.10544-73-7
Molecular FormulaN2O3
Molecular Weight76.01 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Dinitrogen trioxide (gas) (unlabeled N<SUB>2</SUB>O<SUB>3</SUB>) CAS 10544-73-7 chemical structure

Description

Dinitrogen trioxide (gas) (unlabeled N<SUB>2</SUB>O<SUB>3</SUB>) (CAS 10544-73-7), molecular formula N2O3 and molecular weight 76.01 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to an inorganic composition, Dinitrogen trioxide (gas) (unlabeled N<SUB>2</SUB>O<SUB>3</SUB>) is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 76.01 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), Dinitrogen trioxide (gas) (unlabeled N<SUB>2</SUB>O<SUB>3</SUB>) 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 FormulaN2O3
Molecular Weight76.01 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Freely soluble in water
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
CAS Registry Year (est.)1960
Nitrogen Atoms2

Recommended Standards

Why CATO?