Quinine Sulfate - Impurity B (Sulfate Salt) CAS 524-61-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 524-61-8 |
| Molecular Formula | C19H22N2O H2O4S 2*H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Quinine Sulfate - Impurity B (Sulfate Salt) (CAS 524-61-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H22N2O H2O4S 2*H2O. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C19H22N2O H2O4S 2*H2O |
| Molecular Weight | 410.48 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Quinine Standards
- Quinine Sulfate Impurity 5 (CAS 101655-92-9)
- Quinine Impurity 1 (CAS 1092116-26-1)
- Quinine N-Oxide (CAS 109906-48-1)
- Quinine Hydrochloride (CAS 130-89-2)
- Quinine (CAS 130-95-0)
- Quinine Sulfate (500 mg) (CAS 207671-44-1)
- Quinine sulfate Impurity 6 (CAS 485-71-2)
- Quinine Sulfate - Impurity C (Sulfate Salt) (CAS 49722-46-5)
Recommended Standards
- 1-(4-Methoxyphenyl)-2-phenyl-4-(p-tolylthio)-6,7-dihydro-1H-indole-5-carbaldehyde (CAS 477869-17-3)
- N-(2-Chloro-4,6-dimethylphenyl)-2-((5-(pyridin-4-yl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477318-73-3)
- 3-Chloro-1-methylquinolin-2(1H)-one (CAS 941-92-4)
- (5-(Methoxymethyl)-1,2,4-oxadiazol-3-yl)methanamine hydrochloride (CAS 2138533-82-9)
- 2-Methyl-3,5-diphenylisoxazolidine (CAS 69502-76-7)
- 1,5-Dimethyl-N-pentyl-1H-pyrazol-3-amine hydrochloride (CAS 1855948-60-5)
- Steroidogenesis-Activator Polypeptide (rat) (H-8855.0500) (CAS 108563-23-1)
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