7440-04-2 2E7M255OPY Osmium Osmium, elemental EINECS 231-114-0 Metallic osmium HSDB 7329 UNII-2E7M255OPY CAS 7440-04-2

Purity 97%+In StockPharmaceutical Standards
CAS No.7440-04-2
Molecular FormulaOs
Molecular Weight190.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7440-04-2 2E7M255OPY Osmium Osmium, elemental EINECS 231-114-0 Metallic osmium HSDB 7329 UNII-2E7M255OPY CAS 7440-04-2 chemical structure

Description

7440-04-2 2E7M255OPY Osmium Osmium, elemental EINECS 231-114-0 Metallic osmium HSDB 7329 UNII-2E7M255OPY (CAS 7440-04-2), molecular formula Os and molecular weight 190.23 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula Os, 7440-04-2 2E7M255OPY Osmium Osmium, elemental EINECS 231-114-0 Metallic osmium HSDB 7329 UNII-2E7M255OPY contains an inorganic composition; these features give the compound characteristic molecular-ion distribution patterns in mass spectrometry. The molecular weight of 190.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

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), 7440-04-2 2E7M255OPY Osmium Osmium, elemental EINECS 231-114-0 Metallic osmium HSDB 7329 UNII-2E7M255OPY 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 FormulaOs
Molecular Weight190.23 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Freely soluble in water
StabilityStable under recommended storage conditions
CAS Registry Year (est.)1959

Recommended Standards

Why CATO?