3320-86-3 Benzene, 1-isocyanato-2-nitro- 2-Nitrophenyl isocyanate AI3-28252 EINECS 222-024-2 Isocyanic acid, o-nitrophenyl ester o-Nitrophenyl isocyanate NSC 5384 CAS 3320-86-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3320-86-3 |
| Molecular Formula | C7H10N2O3 |
| Molecular Weight | 170.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3320-86-3 Benzene, 1-isocyanato-2-nitro- 2-Nitrophenyl isocyanate AI3-28252 EINECS 222-024-2 Isocyanic acid, o-nitrophenyl ester o-Nitrophenyl isocyanate NSC 5384 (CAS 3320-86-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H10N2O3. Molecular weight: 170.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H10N2O3 |
| Molecular Weight | 170.17 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, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Benzene Standards
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Recommended Standards
- Theophylline Impurity 3 (CAS 40012-14-4)
- Tetrahydrofuran-3-yl 2-amino-2-cyanoacetate (CAS 215045-93-5)
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- Ethyl 2-(2-nitro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetate (CAS 1198615-90-5)
- (3R,8AS)-3-methylhexahydropyrrolo[1,2-a]pyrazin-4(1H)-one hydrochloride (CAS 2230901-14-9)
- (R)-3-(1-((2-Bromoallyl)oxy)but-3-en-1-yl)furan (CAS 916593-46-9)
- Gadobutrol Impurity 182 (CAS CATO-C4X-2120182)
- 7-Bromo-1,2-dimethyl-1h-imidazo[4,5-c]pyridine (CAS 305337-73-9)
- Semaglutide Impurity 148 (CAS CATO-C4X-2226148)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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