57543-38-1 2H-1-Benzopyran-3-carboxaldehyde, 8-methoxy- 5-18-01-00436 (Beilstein Handbook Reference) BRN 1640514 8-Methoxy-2H-1-benzopyran-3-carboxaldehyde CAS 57543-38-1

Purity 97%+In StockPharmaceutical Standards
CAS No.57543-38-1
Molecular FormulaC11H16O3
Molecular Weight196.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

57543-38-1 2H-1-Benzopyran-3-carboxaldehyde, 8-methoxy- 5-18-01-00436 (Beilstein Handbook Reference) BRN 1640514 8-Methoxy-2H-1-benzopyran-3-carboxaldehyde CAS 57543-38-1 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 196.24 g/mol gives 57543-38-1 2H-1-Benzopyran-3-carboxaldehyde, 8-methoxy- 5-18-01-00436 (Beilstein Handbook Reference) BRN 1640514 8-Methoxy-2H-1-benzopyran-3-carboxaldehyde distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

57543-38-1 2H-1-Benzopyran-3-carboxaldehyde, 8-methoxy- 5-18-01-00436 (Beilstein Handbook Reference) BRN 1640514 8-Methoxy-2H-1-benzopyran-3-carboxaldehyde (CAS 57543-38-1) is a high-purity analytical reference standard with the molecular formula C11H16O3 and a molecular weight of 196.24 g/mol.

Structurally, 57543-38-1 2H-1-Benzopyran-3-carboxaldehyde, 8-methoxy- 5-18-01-00436 (Beilstein Handbook Reference) BRN 1640514 8-Methoxy-2H-1-benzopyran-3-carboxaldehyde (C11H16O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 196.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 57543-38-1 2H-1-Benzopyran-3-carboxaldehyde, 8-methoxy- 5-18-01-00436 (Beilstein Handbook Reference) BRN 1640514 8-Methoxy-2H-1-benzopyran-3-carboxaldehyde 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 FormulaC11H16O3
Molecular Weight196.24 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973

Related H Standards

Recommended Standards

Why CATO?