4-(2-Amino-3-(methoxycarbonyl)-1h-pyrrolo[2,3-b]quinoxalin-1-yl)benzoic acid CAS 433966-58-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 433966-58-6 |
| Molecular Formula | C19H14N4O4 |
| Molecular Weight | 362.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-Amino-3-(methoxycarbonyl)-1h-pyrrolo[2,3-b]quinoxalin-1-yl)benzoic acid (CAS 433966-58-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H14N4O4. Molecular weight: 362.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H14N4O4 |
| Molecular Weight | 362.34 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
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Recommended Standards
- 3-Iodobenzylzinc bromide (CAS 352530-31-5)
- 4,5-Diaminofluorescein (CAS 205391-01-1)
- 2-(1-(Benzo[d][1,3]dioxol-5-yl)-4-hydroxy-2-imino-2,5-dihydro-1H-pyrrol-3-yl)quinazolin-4(3H)-one (CAS 307507-76-2)
- Piperidin-4-yl 4-methylpiperazine-1-carboxylate (CAS 1192122-37-4)
- Methyl 2-hydroxy-6-(trifluoromethyl)isonicotinate (CAS 1060810-77-6)
- (S)-Benzyl 3-((tert-butoxycarbonyl)amino)-4-hydroxybutanoate (CAS 79069-16-2)
- Sulpiride Impurity 9 (CAS CATO-C4X-18769)
- [1,1'-Biphenyl]-4-carbonyl fluoride (CAS 2714-87-6)
- 4-((Tetrahydro-2H-pyran-4-yl)amino)benzonitrile (CAS 1154887-16-7)
- Lixisenatide (CAS 320367-13-3（free base）)
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