4-Hydroxypyridine-2,5-dicarboxylic acid CAS 2183489-21-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2183489-21-4 |
| Molecular Formula | C7H5NO5 |
| Molecular Weight | 183.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxypyridine-2,5-dicarboxylic acid (CAS 2183489-21-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5NO5. Molecular weight: 183.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1998 |
| Nitrogen Atoms | 1 |
Related Hydroxypyridine Standards
- 5-Hydroxypyridine-3,4-dicarboxylic acid (CAS 17285-97-1)
- 4-Hydroxypyridine-2,3-dicarboxylic acid (CAS 53940-13-9)
- 4-Hydroxypyridine-2,6-dicarboxylic acid (CAS 499-51-4)
- 1,1'-(4-Hydroxypyridine-2,6-diyl)bis(ethan-1-one) (CAS 119222-95-6)
- 1,1'-(5-Hydroxypyridine-3,4-diyl)bis(ethan-1-one) (CAS 1393557-13-5)
- 1,1'-(3-Hydroxypyridine-2,6-diyl)bis(ethan-1-one) (CAS 1393558-96-7)
- 1,1'-(2-Hydroxypyridine-3,5-diyl)bis(ethan-1-one) (CAS 1393566-77-2)
- 1,1'-(4-Hydroxypyridine-2,3-diyl)bis(ethan-1-one) (CAS 1393567-71-9)
Recommended Standards
- 4-Hydroxy-2-nitrobenzoic acid, 97% (CAS 74230-08-3)
- 4-Methyl-3,5-dinitropyridine (CAS 57927-98-7)
- 4-Amino-5-nitropicolinic acid (CAS 84487-13-8)
- N-(9-Isopropyl-9H-fluoren-2-yl)acetamide (CAS 96170-48-8)
- 2-Carbamoylpyridine 1-oxide (CAS 6974-72-7)
- 1040685-17-3 7876AC C13H21NO N-(2-Isopropoxybenzyl)-1-propanamine (CAS 1040685-17-3)
- 1,2-bis(4-Bromophenyl)ethane (CAS 19829-56-2)
- Atrasentan Impurity 44 (CAS 223139-41-1)
- 2-(Tert-butyl)-4-chloro-6-isopropylpyrimidine (CAS 1155152-58-1)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com