2-Hydroxy-5-methoxycyclohexa-2,5-diene-1,4-dione CAS 5691-70-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5691-70-3 |
| Molecular Formula | C7H6O4 |
| Molecular Weight | 154.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Hydroxy-5-methoxycyclohexa-2,5-diene-1,4-dione (CAS 5691-70-3) pharmaceutical standards reference standard. Molecular formula: C7H6O4. Molecular weight: 154.12 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H6O4 |
| Molecular Weight | 154.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Hydroxy Standards
- 2-(6-Hydroxy-4-pyrimidinyl)acetic acid (CAS 1119449-91-0)
- 6-Hydroxy-5-methylpyrimidine-4-carboxylic acid (CAS 1159010-94-2)
- 2-Hydroxy-4-methylpyrimidine-5-carboxylic acid (CAS 13008-17-8)
- 5-Hydroxy-2-methylpyrimidine-4-carboxylic acid (CAS 1504287-88-0)
- 3-Hydroxy-2-methyl-4-nitropyridine (CAS 15128-83-3)
- 3-Hydroxy-2-methyl-6-nitropyridine (CAS 15128-84-4)
- 3-Hydroxy-4-methyl-2-nitropyridine (CAS 15128-89-9)
- 3-Hydroxy-6-methyl-2-nitropyridine (CAS 15128-90-2)
Recommended Standards
- 2-Hydroxy-4-methyl-5-nitropyridine, 98% (CAS 21901-41-7)
- 2-Methoxy-3-nitropyridine (CAS 20265-35-4)
- 2-Hydroxy-3-methyl-5-nitropyridine (CAS 21901-34-8)
- Dynorphin A (1-8) (CAS 75790-53-3)
- 4-Bromo-2,3-difluoro-6-iodo-1-(trimethylsilyl)benzene (CAS 1807646-35-0)
- 2-(Piperidin-3-yl)propan-2-ol hydrochloride (CAS 1003560-59-5)
- Lithium triisopropyl 2-pyridylborate (CAS 213764-22-8)
- Dimethyl p-tolylboronate (CAS 40881-45-6)
- 1-(2-Chloroethyl)-5-(2,4-dichlorophenyl)-1H-pyrazole (CAS 1710302-42-3)
- (Des-Thr?)-Glucagon trifluoroacetate salt (CAS 1802078-27-8)
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