4-(3-Aminophenyl)-1-methoxyisoquinolin-5-ol CAS 656233-97-5
| CAS No. | 656233-97-5 |
| Molecular Formula | C16H14N2O2 |
| Molecular Weight | 266.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(3-Aminophenyl)-1-methoxyisoquinolin-5-ol (CAS 656233-97-5), molecular formula C16H14N2O2 and molecular weight 266.29 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 4-(3-Aminophenyl)-1-methoxyisoquinolin-5-ol is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 266.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 4-(3-Aminophenyl)-1-methoxyisoquinolin-5-ol 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 | C16H14N2O2 |
| Molecular Weight | 266.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Related Aminophenyl Standards
- 4-(4-Aminophenyl)-1-methoxyisoquinolin-5-ol (CAS 656234-11-6)
- N-(2-Aminophenyl)-4-fluorobenzene-1-sulfonamide (CAS 216700-84-4)
- N-(3-Aminophenyl)-4-fluorobenzenesulfonamide (CAS 436089-66-6)
- N-(4-aminophenyl)-4-fluorobenzenesulfonamide (CAS 793727-98-7)
- 3-((3-Aminophenyl)amino)-1-phenyl-1H-pyrazol-5(4H)-one (CAS 94906-63-5)
- (2E)-1-(4-Aminophenyl)-3-[4-(dimethylamino)phenyl]prop-2-en-1-one (CAS 126443-09-2)
- 2-(4-Aminophenyl)-1-(1,2,3,4-tetrahydroquinolin-1-yl)ethan-1-one (CAS 954565-45-8)
- 1-(4-Aminophenyl)-1,3,3-trimethyl-2,3-dihydro-1H-inden-5-amine (CAS 54628-89-6)
Recommended Standards
- 4-(3,5-Dimethoxyphenyl)-2,2-dimethyl-4-oxobutanoic acid (CAS 951884-92-7)
- 4-(3-Phenyl-4,5-dihydro-1H-pyrazol-1-yl)benzoic acid (CAS 26192-74-5)
- 4-(3,4-Diethoxy-phenyl)-4-oxo-butyric acid (CAS 63213-42-3)
- 4-(3-(4-Nitrophenoxy)propyl)morpholine (CAS 93429-13-1)
- 2-(Benzyloxy)-5-(3-quinolinyl)benzaldehyde (CAS 893741-20-3)
- N-Benzyl-2-bromo-N-phenylbutanamide (CAS 851073-30-8)
- 3-Methyl-1-(pyridin-4-ylmethyl)-1H-pyrazol-5-amine (CAS 30154-18-8)
- 2-(5-((3aS,4S,6aR)-2-Oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)butanoic acid (CAS 917015-56-6)
- 5-Methyl-2-((tetrahydrofuran-2-yl)methoxy)benzenesulfonamide (CAS 1094770-50-9)
- 3236-82-6 NbOEt Niobium ethanolate Niobium ethylate Niobium pentaethoxide Niobium(V) ethoxide Pentaethoxyniobium (CAS 3236-82-6)
- (5-(2-(Trifluoromethyl)phenyl)-1H-imidazol-2-yl)methanamine (CAS 1156709-30-6)
- 3-Amino-3-(6-methoxynaphthalen-2-yl)propan-1-ol (CAS 790227-28-0)
- 3-methyl-5-sulfamoylthiophene-2-carboxylic acid (CAS 1096876-87-7)
- Palmitoyl Tripeptide -5 · 2 TFA (CAS 623172-56-5)
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