2,7,8-Triamino-4-(3-bromo-4,5-dimethoxyphenyl)-4H-chromene-3-carbonitrile CAS 475576-83-1
| CAS No. | 475576-83-1 |
| Molecular Formula | C18H17BrN4O3 |
| Molecular Weight | 417.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2,7,8-Triamino-4-(3-bromo-4,5-dimethoxyphenyl)-4H-chromene-3-carbonitrile is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2,7,8-Triamino-4-(3-bromo-4,5-dimethoxyphenyl)-4H-chromene-3-carbonitrile (CAS 475576-83-1) is a high-purity analytical reference standard with the molecular formula C18H17BrN4O3 and a molecular weight of 417.26 g/mol.
Structurally, 2,7,8-Triamino-4-(3-bromo-4,5-dimethoxyphenyl)-4H-chromene-3-carbonitrile (C18H17BrN4O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 417.26 g/mol, it falls into the moderately-high-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.
As a certified reference material (CRM), 2,7,8-Triamino-4-(3-bromo-4,5-dimethoxyphenyl)-4H-chromene-3-carbonitrile 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 | C18H17BrN4O3 |
| Molecular Weight | 417.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related Triamino Standards
- (R)-2,7,8-Triamino-4-(3-bromo-4,5-dimethoxyphenyl)-4H-chromene-3-carbonitrile (CAS 1000852-17-4)
- 2,7,12-Triamino-5H-diindeno[1,2-a:1',2'-c]fluorene-5,10,15-trione (CAS 209112-55-0)
- 1,4,5-Triamino-2,6-bis(2,5-dimethylphenoxy)anthracene-9,10-dione (CAS 88623-51-2)
- 1,4,5-Triamino-2,6-bis(3,5-dimethylphenoxy)anthracene-9,10-dione (CAS 88600-55-9)
- 3,4,11-Triamino-1H-naphtho[2,3-f]isoindole-1,5,10-trione (CAS 13418-50-3)
- 1,4,5-Triamino-2,6-bis(2,5-dichlorophenoxy)anthracene-9,10-dione (CAS 88600-50-4)
- 1,4,5-Triamino-2,6-bis(3,4-dichlorophenoxy)anthracene-9,10-dione (CAS 88600-54-8)
- 1,3,5-Triamino-2,4,6-trinitrobenzene (CAS 3058-38-6)
Recommended Standards
- Methyl 4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoquinoline-1-carbonyl)benzoate (CAS 1374249-67-8)
- 3-(4-Bromophenyl)-5-phenoxy-[1,2,4]triazolo[4,3-c]quinazoline (CAS 477853-51-3)
- 4-[(3,4-Dichlorophenyl)methoxy]-N'-[(1E)-(4-fluorophenyl)methylidene]benzohydrazide (CAS 303987-18-0)
- 4-((4-Bromo-2-methyl-5-oxo-1-phenyl-2,5-dihydro-1H-pyrazol-3-yl)methoxy)-3-methoxybenzaldehyde (CAS 959581-33-0)
- 4-(Morpholin-2-yl)aniline (CAS 1284221-31-3)
- 2-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)cyclohexan-1-amine (CAS 1344010-47-4)
- 2-(5-Mercapto-4-methyl-4H-[1,2,4]triazol-3-yl)-N-m-tolyl-acetamide (CAS 946758-56-1)
- (1-Methyl-5-phenyl-1H-pyrazol-4-yl)methanol (CAS 499785-47-6)
- 1-[(1,5-dimethyl-1H-pyrazol-4-yl)methyl]piperidine-4-carboxylic acid,HCl (CAS 1431962-86-5)
- N1,N1-dimethylcyclohexane-1,3-diamine (CAS 885280-64-8)
- 2-(4-(Benzyloxy)piperidin-1-yl)nicotinonitrile (CAS 1355482-99-3)
- 3-(4-Carboxyphenoxy)phthalic acid (CAS 198330-12-0)
- 2-Methyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 2095797-27-4)
- C-Peptide 1 (rat) (CAS 41475-27-8)
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