4,5-Dihydroxy-2-nitrobenzaldehyde CAS 73635-75-3
| CAS No. | 73635-75-3 |
| Molecular Formula | C7H5NO5 |
| Molecular Weight | 183.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,5-Dihydroxy-2-nitrobenzaldehyde.
4,5-Dihydroxy-2-nitrobenzaldehyde (CAS 73635-75-3), molecular formula C7H5NO5 and molecular weight 183.12 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H5NO5, 4,5-Dihydroxy-2-nitrobenzaldehyde contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 183.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4,5-Dihydroxy-2-nitrobenzaldehyde under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H5NO5 |
| Molecular Weight | 183.12 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.) | 1978 |
| Nitrogen Atoms | 1 |
Related Dihydroxy Standards
- 2,3-Dihydroxy-6-nitrobenzaldehyde (CAS 144156-89-8)
- 2,3-Dihydroxy-5-nitrobenzaldehyde (CAS 52924-54-6)
- 2,4-Dihydroxy-5-nitrobenzaldehyde (CAS 53844-98-7)
- 3,4-Dihydroxy-2-nitrobenzaldehyde (CAS 50545-37-4)
- N,2-dihydroxy-3-methoxybenzamide (CAS 177348-39-9)
- Methyl 2,4-dihydroxy-6-methylnicotinate (CAS 893616-55-2)
- n,2-Dihydroxy-4-methoxybenzamide (CAS 90222-58-5)
- N,2-Dihydroxy-6-methoxybenzamide (CAS 855996-65-5)
Recommended Standards
- 3-Nitro-4-vinyl-1H-pyrazole-1-carboxylic acid (CAS 958815-11-7)
- 4-Amino-5-nitropicolinic acid (CAS 84487-13-8)
- 3-Hydroxy-2-nitrobenzoic acid (CAS 602-00-6)
- 4-Hydroxy-2-nitrobenzoic acid, 97% (CAS 74230-08-3)
- N-(1-(Cyclopropanecarbonyl)indolin-6-yl)propane-2-sulfonamide (CAS 1040638-26-3)
- 2,9-Dichloro-4,7-diphenyl-1,10-phenanthroline (CAS 1229012-68-3)
- 7-Fluoro-2-phenyl-1H-indole (CAS 342902-40-3)
- tert-Butyl ((1S,3R)-3-amino-2,2-dimethylcyclobutyl)carbamate (CAS 1932308-17-2)
- 4-(Dimethylcarbamoyl)-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1006484-48-5)
- 3,5-Difluoro-6-oxo-1,6-dihydropyridine-2-carbonitrile (CAS 1049678-65-0)
- 1-(Benzylsulfonyl)-4-methylpiperidine (CAS 331847-65-5)
- 2,5-dimethyl-1-propyl-1H-pyrrole-3-carbaldehyde (CAS 18870-75-2)
- N-(5-Propyl-1,3,4-thiadiazol-2-yl)picolinamide (CAS 691382-96-4)
- Fragment-[3-31]-Liraglutide (CAS CATO-C4X-199232)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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