2,5-Dimethyl-5-(4-methylpent-3-en-1-yl)-3,4,4a,10b-tetrahydro-2H,5H-pyrano[3,2-c]chromene CAS 499186-83-3

Purity 97%+In StockPharmaceutical Standards
CAS No.499186-83-3
Molecular FormulaC20H28O2
Molecular Weight300.44 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,5-Dimethyl-5-(4-methylpent-3-en-1-yl)-3,4,4a,10b-tetrahydro-2H,5H-pyrano[3,2-c]chromene CAS 499186-83-3 chemical structure

Description

CATO supplies 2,5-Dimethyl-5-(4-methylpent-3-en-1-yl)-3,4,4a,10b-tetrahydro-2H,5H-pyrano[3,2-c]chromene (CAS 499186-83-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C20H28O2. Molecular weight: 300.44 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC20H28O2
Molecular Weight300.44 g/mol
AppearanceOff-white to pale 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025

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