4-(Cyclopentyloxy)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine CAS 379268-58-3

Purity 97%+In StockPharmaceutical Standards
CAS No.379268-58-3
Molecular FormulaC25H21O3P
Molecular Weight400.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(Cyclopentyloxy)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine CAS 379268-58-3 chemical structure

Description

As a certified reference material (CRM), 4-(Cyclopentyloxy)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 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.

4-(Cyclopentyloxy)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine (CAS 379268-58-3), molecular formula C25H21O3P and molecular weight 400.41 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-(Cyclopentyloxy)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine (C25H21O3P) contains a steroid core, a phosphonate group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.5, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 400.41 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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

Physical & Chemical Properties

Molecular FormulaC25H21O3P
Molecular Weight400.41 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)15.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025

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