7-Nitroindolin-2-one CAS 25369-31-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 25369-31-7 |
| Molecular Formula | C8H6N2O3 |
| Molecular Weight | 178.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Nitroindolin-2-one (CAS 25369-31-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H6N2O3. Molecular weight: 178.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H6N2O3 |
| Molecular Weight | 178.14 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.) | 1964 |
| Nitrogen Atoms | 2 |
Related Nitroindolin Standards
- 6-Nitroindolin-2-one (CAS 474799-41-2)
- 4-nitroindolin-2-one (CAS 61394-51-2)
- 3-Methyl-5-nitroindolin-2-one (CAS 1695292-70-6)
- 1-Methyl-5-nitroindolin-2-one (CAS 20870-89-7)
- 1-(7-Nitroindolin-1-yl)ethan-1-one (CAS 121897-34-5)
- 1-(5-Nitroindolin-1-yl)ethan-1-one (CAS 33632-27-8)
- 3-Ethyl-5-nitroindolin-2-one (CAS 797051-97-9)
- 1-Acetyl-5-nitroindolin-2-one (CAS 114985-63-6)
Recommended Standards
- 7-Hydroxyquinazoline-2,4(1H,3H)-dione (CAS 861546-03-4)
- 7-Oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyridine-3-carboxylic acid (CAS 2090355-24-9)
- 7-Hydroxybenzofuran-2-carboxylic acid (CAS 4790-80-1)
- (S)-2-Amino-3-mesitylpropanoic acid hydrochloride (CAS 910567-50-9)
- (2-Amino-4-bromophenyl)acetic acid (CAS 1261684-16-5)
- 2,2'-((2,2-Diphenylethene-1,1-diyl)bis(4,1-phenylene))bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 1447669-03-5)
- Siponimod Impurity 4 (CAS 1589558-70-2)
- Empagliflozin Impurity 284 (CAS 1711323-05-5)
- N,N-Dimethyl-1-(piperidin-4-yl)cyclopropanamine (CAS 1359656-33-9)
- Allo-Thr5-Tirzepatide (CAS CATO-CPTD788934)
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