2-Hydroxy-4-methyl-5-nitrobenzoic acid CAS 17276-91-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 17276-91-4 |
| Molecular Formula | C8H7NO5 |
| Molecular Weight | 197.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Hydroxy-4-methyl-5-nitrobenzoic acid (CAS 17276-91-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H7NO5. Molecular weight: 197.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H7NO5 |
| Molecular Weight | 197.14 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
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- Methyl 2-hydroxy-6-nitrobenzoate (CAS 1261504-50-0)
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- 2-(3-Hydroxy-4-nitrophenyl)acetic acid (CAS 152148-79-3)
Recommended Standards
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- 5-Nitrosalicylic Acid Methyl Ester (CAS 17302-46-4)
- 3-(2,5-Difluorophenyl)-5-hydroxyisoxazole (CAS 1593865-40-7)
- Cyclohexyl 2-(2,5-dimethylphenyl)ethyl ketone (CAS 898754-22-8)
- 1-(Bromomethyl)-3-methoxybicyclo[1.1.1]Pentane (CAS 2167788-70-5)
- 4-(2-Chlorophenoxy)butan-1-ol (CAS 60222-60-8)
- Methyl 3-((tert-butoxycarbonyl)amino)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinate (CAS 2377606-60-3)
- 3-Chloro-4-((2,4-dichlorobenzyl)oxy)benzamide (CAS 1706429-02-8)
- Methyl 2-{5H-pyrimido[5,4-b]indol-4-ylsulfanyl}acetate (CAS 338419-82-2)
- Des-Trp25-Tirzepatide (CAS CATO-CPTD788948)
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