| Field | Specification |
|---|---|
| Alternative names | 9-Nitro-7,12-dihydroindolo-[3,2-d][1]benzazepin-6(5)-one |
| CAS no. | |
| Applications | |
| Source | Synthetic |
| Molecular weight | |
| Molecular formula | C16H11N3O3 |
| Purity | |
| Bioactivity | Inhibitor |
| Activity | |
| Solubility | Soluble in DMSO; insoluble in water or 100% ethanol |
| SMILES | |
| InChIKey | |
| Form | Yellow to brown powder |
| Storage | |
| Shipping | |
| Catalog no. (Mfr.) | |
| Main SKU |
Alsterpaullone is a potent inhibitor of CDK1/cyclin B. It is also a potent and selective inhibitor of GSK-3β and CDK5/p25. Alsterpaullone induces apoptosis by activating caspase-8 and caspase-9, followed by disruption of the mitochondrial potential. It is cell-permeable.
Classification: Skin irritation (Category 2), H315
Eye irritation (Category 2A), H319
Specific target organ toxicity - single exposure (Category 3), Respiratory system, H335
Safety Phrases:
- S22 - Do not breathe dust.
- S24/25 - Avoid contact with skin and eyes.
- S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
Hazard statements:
- H315 Causes skin irritation.
- H319 Causes serious eye irritation.
- H335 May cause respiratory irritation.
Precautionary statements:
- P261 Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
- P264 Wash skin thoroughly after handling.
- P271 Use only outdoors or in a well - ventilated area.
- P280 Wear protective gloves/ eye protection/ face protection.
- P302 + P352 IF ON SKIN: Wash with plenty of soap and water.
- P304 + P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
- P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P312 Call a POISON CENTER or doctor/ physician if you feel unwell.
- P321 Specific treatment (see supplemental first aid instructions on this label).
- P332 + P313 If skin irritation occurs: Get medical advice/ attention.
- P337 + P313 If eye irritation persists: Get medical advice/ attention.
- P362 Take off contaminated clothing and wash before reuse.
- P403 + P233 Store in a well - ventilated place. Keep container tightly closed.
- P405 Store locked up.
- P501 Dispose of contents/ container to an approved waste disposal plant.
Alsterpaullone (StressMarq Biosciences Inc., Victoria BC CANADA, Catalog # SIH-431)
Need this compound in a format that drops straight into your assay? We can tailor formulation, chemistry, and documentation so your results stay consistent across runs and re-orders.
- Format options: solid or pre-dissolved solution (choose solvent), target concentration, aliquots, light/moisture-protected packaging
- Chemistry options: free base/acid vs salt forms, hydrate/solvate preference, stereoisomer control (single enantiomer or racemate), close analogs
- Add-on labels & handles: D/¹³C/¹⁵N isotopes (LC-MS/internal standards), azide/alkyne or other functional handles for conjugation
- QC & documentation: standard COA or enhanced analytical pack (HPLC/LC-MS/NMR), chiral purity, residual solvents, water content (KF), method-specific specs
- Scale & continuity: mg to gram scale, bulk pricing, lot reservation, repeat-order continuity
To quote quickly, tell us: compound name + CAS/structure (SMILES or mol file), intended assay context, solvent preference, salt/stereochemistry requirements, purity/QC level, and the amount (mg–g).
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2. Lahusen T., De Siervi A., Kunick C., & Senderowicz A.M. (2003) Mol. Carcinogenesis. 36(4): 183–194.
3. Schultz C., et al. (1999) J. Med. Chem. 42(15): 2909–2919.
