L-Dehydro Ascorbic Acid CAS 490-83-5
Purity >95%In StockPharmaceutical Standards
| CAS No. | 490-83-5 |
| Molecular Formula | C6H6O6 |
| Molecular Weight | 174.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity L-Dehydro Ascorbic Acid (CAS 490-83-5) pharmaceutical standards reference standard. Molecular formula: C6H6O6. Molecular weight: 174.11 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C6H6O6 |
| Molecular Weight | 174.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related L Standards
- L-Dehydro Ascorbic Acid-13C6 (CAS 1217529-45-7)
- 2-Acetyl-3-dehydro-8-isoquinolinol (CAS 1346598-26-2)
- 3,4-Dehydro-β-ionone (CAS 1203-08-3)
- (S)-4,5-Dehydro Pregabalin (CAS 1141362-54-0)
- Boc-3,4-dehydro-Pro-OH (CAS 51154-06-4)
- 1,2-Dehydro Meprobamate (CAS 25462-39-9)
- H-4,5-Dehydro-Leu-OH (CAS 87392-13-0)
- Z-dehydro-Ala-OH (CAS 39692-63-2)
Recommended Standards
- Hexahydroxy-benzene (CAS 608-80-0)
- cis-Aconitic acid (CAS 585-84-2)
- Isocitric Acid Lactone (CAS 4702-32-3)
- Ethyl 2-amino-3-(4-iodo-1h-pyrazol-1-yl)-2-methylpropanoate (CAS 1343946-85-9)
- 1-Benzyl-3-bromo-N,N-dimethyl-1H-1,2,4-triazol-5-amine (CAS 1215296-00-6)
- 5-Cyclopropoxy-N4-methylpyridine-3,4-diamine (CAS 1243311-58-1)
- 2-Methoxy-4-((((1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)methyl)amino)methyl)phenol hydrochloride (CAS 1856031-99-6)
- 1-(6-Amino-2-chlorophenyl)azepane (CAS 926215-35-2)
- Safinamide Impurity 62 (CAS CATO-C4X-159062)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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