2154-70-3 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyl-N-oxyl 1-Pyrrolidinyloxy, 3-cyano-2,2,5,5-tetramethyl- 3-Cyano-proxyl CAS 2154-70-3

Purity 97%+In StockPharmaceutical Standards
CAS No.2154-70-3
Molecular FormulaC9H15N2O
Molecular Weight167.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2154-70-3 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyl-N-oxyl 1-Pyrrolidinyloxy, 3-cyano-2,2,5,5-tetramethyl- 3-Cyano-proxyl CAS 2154-70-3 chemical structure

Description

2154-70-3 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyl-N-oxyl 1-Pyrrolidinyloxy, 3-cyano-2,2,5,5-tetramethyl- 3-Cyano-proxyl (CAS 2154-70-3) is a high-purity analytical reference standard with the molecular formula C9H15N2O and a molecular weight of 167.23 g/mol.

Structurally, 2154-70-3 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyl-N-oxyl 1-Pyrrolidinyloxy, 3-cyano-2,2,5,5-tetramethyl- 3-Cyano-proxyl (C9H15N2O) contains an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 167.23 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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), 2154-70-3 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyl-N-oxyl 1-Pyrrolidinyloxy, 3-cyano-2,2,5,5-tetramethyl- 3-Cyano-proxyl 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 FormulaC9H15N2O
Molecular Weight167.23 g/mol
AppearanceWhite to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)3.5
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1957
Nitrogen Atoms2

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