Methyl 5,6-dimethoxy-1-oxo-2,3-dihydro-1H-indene-2-carboxylate CAS 119035-03-9
| CAS No. | 119035-03-9 |
| Molecular Formula | C13H14O5 |
| Molecular Weight | 250.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyl 5,6-dimethoxy-1-oxo-2,3-dihydro-1H-indene-2-carboxylate (CAS 119035-03-9), a certified reference material (molecular formula C13H14O5, MW 250.25 g/mol) for analytical method development and quality control.
Structurally, Methyl 5,6-dimethoxy-1-oxo-2,3-dihydro-1H-indene-2-carboxylate (C13H14O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 250.25 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).
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.
As a certified reference material (CRM), Methyl 5,6-dimethoxy-1-oxo-2,3-dihydro-1H-indene-2-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C13H14O5 |
| Molecular Weight | 250.25 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, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
Related Methyl Standards
- Methyl 6,7-dimethoxy-1-oxo-2,3-dihydro-1H-indene-4-carboxylate (CAS 1092348-87-2)
- Methyl 2-(5,6-dimethoxy-2H-indazol-3-yl)acetate (CAS 183315-95-9)
- 5-(3,4-Dimethoxy-phenyl)-5-methyl-imidazolidine-2,4-dione (CAS 956611-52-2)
- Ethyl 5,6-dimethoxy-1H-indazole-3-carboxylate (CAS 29281-06-9)
- (S)-6,7-dimethoxy-N-methyl-1,2,3,4-tetrahydroisoquinoline-3-carboxamide (CAS 1212109-99-3)
- 6,7-Dimethoxy-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid (CAS 1432752-16-3)
- Methyl 6,8-dimethoxy-1,2,3,4-tetrahydronaphthalene-2-carboxylate (CAS 1586815-05-5)
- Methyl 5,7-dimethoxy-1,2,3,4-tetrahydronaphthalene-2-carboxylate (CAS 1956327-82-4)
Recommended Standards
- Ethyl 2-(5,6-dimethyl-4-oxofuro[2,3-d]pyrimidin-3(4H)-yl)acetate (CAS 1189670-48-1)
- 6-(4-Methoxyphenyl)-4,6-dioxohexanoic acid (CAS 119600-38-3)
- 2-(4-Carboxypiperidin-1-yl)nicotinic acid (CAS 1187568-83-7)
- 2-Benzoylbenzofuran-5-carbaldehyde (CAS 120973-72-0)
- 3-(Benzyloxy)isonicotinonitrile (CAS 78790-76-8)
- 4-Methoxy-N-(4-nitrophenyl)benzenesulfonamide (CAS 21226-36-8)
- 5-(4-Aminophenoxy)-2-(3-chloro-2-methylphenyl)isoindoline-1,3-dione (CAS 310451-96-8)
- 5-Bromo-1-cyclopentyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1783693-61-7)
- 2-(2-Butoxyethoxy)acetic acid (CAS 82941-26-2)
- Picaridin (CAS 119515-38-7)
- Benzyl cis-3-hydroxycyclobutanecarboxylate (CAS 552849-32-8)
- 3-tert-Butyl 1,5-Dimethyl Citrate (CAS 114340-51-1)
- 3,3-Dimethyl-1-phenylcyclobutane-1-carboxylic acid (CAS 151157-51-6)
- (D-His1)-Exenatide trifluoroacetate salt (CAS 1678417-09-8)
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