Topotecan Carboxylic Acid Sodium Salt CAS 123949-08-6
| CAS No. | 123949-08-6 |
| Molecular Formula | C23H24N3O6 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Topotecan Carboxylic Acid Sodium Salt (CAS 123949-08-6), molecular formula C23H24N3O6Na and molecular weight 461.45 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Topotecan Carboxylic Acid Sodium Salt is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 461.45 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Topotecan Carboxylic Acid Sodium Salt under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C23H24N3O6 Na |
| Molecular Weight | 461.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 3 |
Related Topotecan Standards
Recommended Standards
- Ethyl 1-(3-iodobenzoyl)piperidine-3-carboxylate (CAS 349442-23-5)
- O,P'-DDT (CAS 789-02-6)
- 4-(2-Bromoethyl)-3,5-dimethylisoxazole (CAS 83467-35-0)
- 4-(1h-Pyrazol-1-yl)pyridine-2-carbonitrile (CAS 1342405-19-9)
- 2-(3-Ethyl-2-(ethylimino)-4-oxothiazolidin-5-yl)-N-(2-(methylthio)phenyl)acetamide (CAS 329795-76-8)
- (3,5-Difluorophenyl)(o-tolyl)methanone (CAS 951887-27-7)
- rel-(1R,3R)-1,3-Dibromocyclohexane (CAS 29624-17-7)
- tert-Butyl 5-oxo-2-azaspiro[5.5]undecane-2-carboxylate (CAS 1159982-49-6)
- Ethyl 5-methylpyrazolo[1,5-a]pyridine-3-carboxylate (CAS 51135-70-7)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
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 18665070610 / Nicole.chen@cato-chem.com