4-Amino-5-nitrophthalic acid CAS 89939-49-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 89939-49-1 |
| Molecular Formula | C8H6N2O6 |
| Molecular Weight | 226.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Amino-5-nitrophthalic acid (CAS 89939-49-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6N2O6. Molecular weight: 226.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6N2O6 |
| Molecular Weight | 226.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 1982 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 2,5-Dihydroxytetrahydrocyclobuta[1,2-c:3,4-c']dipyrrole-1,3,4,6(2H,5H)-tetraone (CAS 245049-70-1)
- 4-Methoxy-3,5-dinitrobenzaldehyde (CAS 53104-41-9)
- 2,4-Dinitrophenyl acetate (CAS 4232-27-3)
- 1-(bromomethyl)-1-(prop-2-yn-1-yl)cyclobutane (CAS 950577-94-3)
- 5-Amino-2-chloro-N-(2-chlorophenyl)benzene-1-sulfonamide (CAS 327092-83-1)
- Sporidesmin ADISCONTINUED (CAS 1456-55-9)
- Methyl 3-(6-aminopyridin-3-yl)benzoate (CAS 889950-25-8)
- 2-(Bromomethyl)-6-chloro-3-(difluoromethyl)pyridine-4-carboxaldehyde (CAS 1805181-72-9)
- (5-(4-Methylpiperazin-1-yl)thiophen-2-yl)boronic acid (CAS 2225175-52-8)
- (Glu1)-Fibrinopeptide B (human) (CAS 103213-49-6)
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