Quinizarin CAS 81-64-1
Purity >95%In StockPharmaceutical Standards
| CAS No. | 81-64-1 |
| Molecular Formula | C14H8O4 |
| Molecular Weight | 240.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order Quinizarin (CAS 81-64-1) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C14H8O4. Molecular weight: 240.21 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C14H8O4 |
| Molecular Weight | 240.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- Danthron (CAS 117-10-2)
- Anthraflavic Acid (CAS 84-60-6)
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- 1-(3-(3-Chlorophenyl)-1H-1,2,4-triazol-5-yl)-2-methylpropan-1-amine (CAS 1707402-00-3)
- 3-Fluoro-2-methoxy-4-(4-methylpiperazin-1-yl)aniline (CAS 878155-85-2)
- 1-Butyl-3-isopropyl-1H-pyrrole (CAS 91322-90-6)
- 5-(Hydroxymethyl)-2-(trifluoromethyl)benzaldehyde (CAS 1289209-36-4)
- 3-Bromo-4-fluoro-2-methoxyaniline (CAS 1257535-12-8)
- 2-Methyl-1H-naphtho[1,2-d]imidazol-5-amine (CAS 13727-97-4)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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