Topotecan-d CAS 1133355-98-2
| CAS No. | 1133355-98-2 |
| Molecular Formula | - |
| Molecular Weight | 426.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Topotecan-d meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
CATO supplies Topotecan-d (CAS 1133355-98-2), a certified reference material (molecular formula C23H18D5N3O5, MW 426.48 g/mol) for analytical method development and quality control.
Owing to deuterium isotope labeling, a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Topotecan-d is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 426.48 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C23H18D5N3O5 |
| Molecular Weight | 426.48 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) | 16.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 3 |
Related Topotecan Standards
Recommended Standards
- H-Phe-Gly-Phe-Gly-OH (CAS 59005-83-3)
- 7-Hydroxy Risperidone-d4 (CAS 1215454-04-8)
- H-Phe-Gly-Gly-Phe-OH (CAS 40204-87-3)
- Iloperidone Impurity N1 (CAS 133454-47-4)
- (2E)-3-[4-(2-Methylpropyl)phenyl]-N-[(naphthalen-1-yl)methyl]prop-2-enamide (CAS 329779-04-6)
- 1-(2-((Tert-butoxycarbonyl)amino)ethyl)-1H-benzo[d]imidazole-5-carboxylic acid (CAS 1427461-04-8)
- 3,4-Dihydroxybenzohydrazide (CAS 39635-11-5)
- 2’,4’-Dimethoxypropiophenone (CAS 831-00-5)
- 5-(Chloromethyl)-1-(propan-2-yl)-1H-pyrazole (CAS 1260658-90-9)
- 3,5-dimethyl-1-{1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl}-1H-pyrazol-4-amine (CAS 1291526-14-1)
- 5-((4-Chlorophenyl)sulfonyl)-N,N-dimethyl-4-phenylpyrimidin-2-amine (CAS 339108-34-8)
- 4-(Aminomethyl)-1,3-dihydro-2H-pyrrolo[3,2-c]pyridin-2-one (CAS 1260671-84-8)
- 4-(4-Chlorophenyl)-3-cyclohexene-1-carboxylic Acid (CAS 165317-79-3)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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