7,8-Dimethoxy-1H-3-benzazepine-2,4(3H,5H)-dione CAS 85175-49-1
| CAS No. | 85175-49-1 |
| Molecular Formula | C12H13NO4 |
| Molecular Weight | 235.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7,8-Dimethoxy-1H-3-benzazepine-2,4(3H,5H)-dione 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.
CATO supplies 7,8-Dimethoxy-1H-3-benzazepine-2,4(3H,5H)-dione (CAS 85175-49-1), a certified reference material (molecular formula C12H13NO4, MW 235.24 g/mol) for analytical method development and quality control.
Structurally, 7,8-Dimethoxy-1H-3-benzazepine-2,4(3H,5H)-dione (C12H13NO4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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 235.24 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.
Physical & Chemical Properties
| Molecular Formula | C12H13NO4 |
| Molecular Weight | 235.24 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.) | 1981 |
| Nitrogen Atoms | 1 |
Related Dimethoxy Standards
- Methyl 4,6-dimethoxy-1H-indole-2-carboxylate (CAS 105776-13-4)
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- 5,6-Dimethoxy-1H-indole-2-carbohydrazide (CAS 121282-81-3)
- Methyl 4,7-dimethoxy-1H-indole-2-carboxylate (CAS 187607-71-2)
- 4,5-Dimethoxy-1-methyl-1h-indole-2-carboxylic acid (CAS 858756-82-8)
- 4,6-Dimethoxy-1H-indole-2-carbohydrazide (CAS 474398-80-6)
- 4,6-Dimethoxy-1-methyl-1h-indole-2-carboxylic acid (CAS 319906-50-8)
- 4,6-Dimethoxy-5-methyl-1H-indole-2-carboxylic acid (CAS 900640-36-0)
Recommended Standards
- 6-Methyl-2-((3-propyl-1,2,4-oxadiazol-5-yl)amino)pyrimidin-4(1H)-one (CAS 88067-29-2)
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- 6-Amino-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile (CAS 59026-72-1)
- 7-Amino-6-phenylpyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 320417-39-8)
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- 2-(5-([1,1'-Biphenyl]-4-yl)oxazol-2-yl)aniline (CAS 83959-84-6)
- Ethyl 4-(2-{[(tert-butoxy)carbonyl]amino}acetamido)benzoate (CAS 52815-80-2)
- 1-(3-Fluoro-4-methoxybenzyl)cyclopropane-1-carboxylic acid (CAS 1267673-72-2)
- Vonoprazan Impurity 307 (CAS CATO-C4X-1020307)
- 3-(2-Aminothiazol-4-yl)phenyl acetate (CAS 886495-16-5)
- (1S)-1-(Oxolan-3-yl)ethanol (CAS 1372904-08-9)
- Fmoc-Asn(Tmob)-OH (CAS 120658-63-1)
- ABT 925 Fumerate (CAS 220519-07-3)
- D-β-Asp15-Tirzepatide (CAS CATO-CPTD788930)
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