2-Hydroxy-3-nitrobenzenecarbohydrazide CAS 945-22-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 945-22-2 |
| Molecular Formula | C7H7N3O4 |
| Molecular Weight | 197.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Hydroxy-3-nitrobenzenecarbohydrazide (CAS 945-22-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H7N3O4. Molecular weight: 197.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H7N3O4 |
| Molecular Weight | 197.15 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 3 |
Related Hydroxy Standards
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- 2-Hydroxy-2-(4-nitrophenyl)acetic acid (CAS 10098-39-2)
- Methyl 2-hydroxy-6-nitrobenzoate (CAS 1261504-50-0)
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- Methyl 2-hydroxy-4-nitrobenzoate, 97% (CAS 13684-28-1)
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Recommended Standards
- 2-Cyclopropyl-5-nitropyrimidine-4,6-diol (CAS 75438-77-6)
- 2-Acetamido-4-nitropyridine 1-oxide (CAS 4487-48-3)
- 2-Methoxy-5-nitronicotinamide (CAS 60524-16-5)
- 2-Chloro-N-[2,2,2-trifluoro-1-[(6-nitro-2-benzothiazolyl)amino]-1-(trifluoromethyl)ethyl]benzamide (CAS 489414-77-9)
- 2-[2-(Benzyloxy)ethyl]propane-1,3-diol (CAS 77661-80-4)
- L-Valine, N-acetyl-, 2,5-dioxo-1-pyrrolidinyl ester (CAS 56186-37-9)
- 3-Amino-3-(4,5-dibromofuran-2-yl)propanoic acid (CAS 1249890-31-0)
- 3-(3,4-Difluorophenyl)azetidin-3-ol hydrochloride (CAS 1423033-35-5)
- 2-Ethynyl-[1,2,4]triazolo[1,5-a]pyridine (CAS 1373338-10-3)
- Insulin Degludec Impurity 20 (CAS CATO-C4X-215720)
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