1-Hydroxy-1H-indole-2-carboxylic acid CAS 16264-71-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16264-71-4 |
| Molecular Formula | C9H7NO3 |
| Molecular Weight | 177.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Hydroxy-1H-indole-2-carboxylic acid (CAS 16264-71-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H7NO3. Molecular weight: 177.16 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H7NO3 |
| Molecular Weight | 177.16 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.) | 1961 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- 5-Hydroxy-7-methylindoline-2,3-dione (CAS 1041857-41-3)
- 6-Hydroxy-1H-indol-5-yl formate (CAS 113370-06-2)
- N-Hydroxy-7H-pyrrolo[2,3-d]pyrimidine-5-carboximidamide (CAS 1189580-06-0)
- 6-hydroxy-1H-indole-5-carboxylic acid (CAS 1246668-93-8)
- 5-Hydroxy-1H-indole-1-carboxylic acid (CAS 125502-72-9)
- 6-Hydroxy-2-methyl-4H-benzo[d][1,3]oxazin-4-one (CAS 125558-96-5)
- 3-Hydroxy-6-methylbenzo[d][1,2,3]triazin-4(3H)-one (CAS 132533-58-5)
- 7-Hydroxy-1H-indole-5-carboxylic acid (CAS 1369158-48-4)
Recommended Standards
- 7-Benzofurancarboxamide, 2,3-dihydro-3-oxo- (CAS 1616110-80-5)
- 5-Methyl-4-nitro-1H-pyrrolo[2,3-b]pyridine (CAS 1638759-44-0)
- 3-Amino-5-hydroxy-2H-chromen-2-one (CAS 1611491-78-1)
- (E)-4-(benzyloxy)but-2-en-1-ol (CAS 69152-88-1)
- 5-Chloro-3-(dimethoxymethyl)-2-methoxypyridine (CAS 1261365-50-7)
- 2-Ethyl-6-methoxy-1H-benzo[d]imidazol-1-ol (CAS 402571-67-9)
- 6-Hydroxy-L-Norleucine (CAS 6033-32-5)
- N-Cyclopentyl 3-bromo-5-nitrobenzamide (CAS 941294-18-4)
- 2-Bromo-1-chloro-3-methylbenzene (CAS 69190-56-3)
- Semaglutide Impurity 180 (CAS CATO-C4X-2226180)
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