2-Formyl-5-nitrobenzoic acid CAS 7464-91-7
| CAS No. | 7464-91-7 |
| Molecular Formula | C8H5NO5 |
| Molecular Weight | 195.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2-Formyl-5-nitrobenzoic acid (CAS 7464-91-7), a certified reference material (molecular formula C8H5NO5, MW 195.13 g/mol) for analytical method development and quality control.
Structurally, 2-Formyl-5-nitrobenzoic acid (C8H5NO5) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 195.13 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-Formyl-5-nitrobenzoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H5NO5 |
| Molecular Weight | 195.13 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.) | 1959 |
| Nitrogen Atoms | 1 |
Related Formyl Standards
- 3-Formyl-4-nitrobenzoic acid (CAS 1092931-93-5)
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- 2-Formyl-3-nitrobenzoic acid (CAS 161851-52-1)
- 2-Formyl-6-nitrobenzoic acid (CAS 18584-63-9)
- 4-Formyl-3-nitrobenzoic acid (CAS 604000-99-9)
- Methyl 5-formyl-2-methoxynicotinate (CAS 1256787-78-6)
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Recommended Standards
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