1,4-Dihydro-3H-2-benzopyran-3-one 1H-2-Benzopyran-3(4H)-one 2-Hydroxymethylphenylacetic acid lactone 3,6-Dihydro-4,5-benzo-2-pyrone 3-Isochromanone 4385-35-7 CAS 4385-35-7

Purity 97%+In StockPharmaceutical Standards
CAS No.4385-35-7
Molecular FormulaC9H14O2
Molecular Weight154.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,4-Dihydro-3H-2-benzopyran-3-one
1H-2-Benzopyran-3(4H)-one
2-Hydroxymethylphenylacetic acid lactone
3,6-Dihydro-4,5-benzo-2-pyrone
3-Isochromanone
4385-35-7 CAS 4385-35-7 chemical structure

Description

The occurrence of 1,4-Dihydro-3H-2-benzopyran-3-one 1H-2-Benzopyran-3(4H)-one 2-Hydroxymethylphenylacetic acid lactone 3,6-Dihydro-4,5-benzo-2-pyrone 3-Isochromanone 4385-35-7 is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 1,4-Dihydro-3H-2-benzopyran-3-one 1H-2-Benzopyran-3(4H)-one 2-Hydroxymethylphenylacetic acid lactone 3,6-Dihydro-4,5-benzo-2-pyrone 3-Isochromanone 4385-35-7 (CAS 4385-35-7), a certified reference material (molecular formula C9H14O2, MW 154.21 g/mol) for analytical method development and quality control.

Structurally, 1,4-Dihydro-3H-2-benzopyran-3-one 1H-2-Benzopyran-3(4H)-one 2-Hydroxymethylphenylacetic acid lactone 3,6-Dihydro-4,5-benzo-2-pyrone 3-Isochromanone 4385-35-7 (C9H14O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 154.21 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.

CATO manufactures 1,4-Dihydro-3H-2-benzopyran-3-one 1H-2-Benzopyran-3(4H)-one 2-Hydroxymethylphenylacetic acid lactone 3,6-Dihydro-4,5-benzo-2-pyrone 3-Isochromanone 4385-35-7 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 FormulaC9H14O2
Molecular Weight154.21 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1958

Related Dihydro Standards

Recommended Standards

Why CATO?