Diethyl 4,4-(ethyne-1,2-diyl)dibenzoate CAS 83536-13-4

Purity 97%+In StockPharmaceutical Standards
CAS No.83536-13-4
Molecular FormulaC20H18O4
Molecular Weight322.35 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Diethyl 4,4-(ethyne-1,2-diyl)dibenzoate CAS 83536-13-4 chemical structure

Description

The occurrence of Diethyl 4,4-(ethyne-1,2-diyl)dibenzoate is closely related to a flavonoid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Diethyl 4,4-(ethyne-1,2-diyl)dibenzoate (CAS 83536-13-4) is a high-purity analytical reference standard with the molecular formula C20H18O4 and a molecular weight of 322.35 g/mol.

Structurally, Diethyl 4,4-(ethyne-1,2-diyl)dibenzoate (C20H18O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 322.35 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.

CATO manufactures Diethyl 4,4-(ethyne-1,2-diyl)dibenzoate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC20H18O4
Molecular Weight322.35 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, 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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1980

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