5-Methoxy-2,3-dihydro-1-benzofuran-3-carboxylic acid CAS 944900-04-3
| CAS No. | 944900-04-3 |
| Molecular Formula | C10H10O4 |
| Molecular Weight | 194.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
5-Methoxy-2,3-dihydro-1-benzofuran-3-carboxylic acid (CAS 944900-04-3) is a high-purity analytical reference standard with the molecular formula C10H10O4 and a molecular weight of 194.18 g/mol.
Structurally, 5-Methoxy-2,3-dihydro-1-benzofuran-3-carboxylic acid (C10H10O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 194.18 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).
CATO manufactures 5-Methoxy-2,3-dihydro-1-benzofuran-3-carboxylic acid 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 Formula | C10H10O4 |
| Molecular Weight | 194.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Methoxy Standards
- 3-(2-Methoxy-2-oxoethyl)benzoic acid (CAS 113496-14-3)
- 7-Methoxy-2,3-dihydrobenzo[b][1,4]dioxine-6-carbaldehyde (CAS 116757-66-5)
- 5-Methoxy-2,3-dihydrobenzofuran-6-carboxylic acid (CAS 1355232-52-8)
- 2-(2-Methoxy-2-oxoethyl)benzoic acid (CAS 14736-50-6)
- 7-Methoxy-2,3-dihydrobenzofuran-3-carboxylic acid (CAS 1503378-02-6)
- 4-Methoxy-2,3-dihydrobenzofuran-6-carboxylic Acid (CAS 1785202-35-8)
- 2-(2-Methoxy-5-methylphenyl)-2-oxoacetic acid (CAS 32375-41-0)
- 4-(2-Methoxy-2-oxoethyl)benzoic Acid (CAS 87524-66-1)
Recommended Standards
- 5-Acetyl-2-methoxybenzoic acid (CAS 68535-61-5)
- 5-Methoxy-2,3-dihydro-1-benzofuran-7-carboxylic acid (CAS 35700-52-8)
- 5-Acetoxy-2-methylbenzoic acid (CAS 24042-23-7)
- 5-Methoxy-2,3-dihydrobenzofuran-2-carboxylic Acid (CAS 93885-41-7)
- 1-(Piperidin-4-yl-3,3,5,5-d4)ethan-1-one hydrochloride (CAS CATO-CIM-105538)
- 2'-Methoxy-[1,1'-biphenyl]-2-ol (CAS 3594-88-5)
- 4-bromo-5-fluoro-benzothiophen-2-amine (CAS 1935948-12-1)
- N1-methyl-N1-((tetrahydro-2H-pyran-3-yl)methyl)ethane-1,2-diamine dihydrochloride (CAS 1803586-88-0)
- 3-Fluorocyclobutanecarboxylic acid (CAS 122665-96-7)
- 2-{thieno[2,3-b]quinoline-2-carbonyl}-1,2,3,4-tetrahydroisoquinoline (CAS 439111-80-5)
- 3-Cyanopyrazine 1-oxide (CAS 25594-31-4)
- 2-[2-(1-Piperidinyl)ethoxy]benzaldehyde (CAS 14573-94-5)
- Oxcarbazepine Impurity 27 (CAS 4014-77-1)
- Sperm Peptide P10G (H-2424.0001) (CAS 137353-73-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com