9,9´-Bis[xanthenyliden] CAS 517-45-3

Purity 97%+In StockPharmaceutical Standards
CAS No.517-45-3
Molecular FormulaC26H16O2
Molecular Weight360.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

9,9´-Bis[xanthenyliden] CAS 517-45-3 chemical structure

Description

CATO supplies 9,9´-Bis[xanthenyliden] (CAS 517-45-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C26H16O2. Molecular weight: 360.40 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC26H16O2
Molecular Weight360.40 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light
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)19.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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