CAS No. 2068-78-2

Batch: Purity:99.82
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Vincristine (Leurocristine) Sulfate Chemical Structure
Chemical Structure
Check the Vincristine (Leurocristine) Sulfate product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name methyl (1R,9R,10S,11R,12R,19R)-11-acetyloxy-12-ethyl-4-[(13S,15S,17S)-17-ethyl-17-hydroxy-13-methoxycarbonyl-1,11-diazatetracyclo[13.3.1.04,12.05,10]nonadeca-4(12),5,7,9-tetraen-13-yl]-8-formyl-10-hydroxy-5-methoxy-8,16-diazapentacyclo[10.6.1.01,9.02,7.016,19]nonadeca-2,4,6,13-tetraene-10-carboxylate;sulfuric acid
CAS Number 2068-78-2
Molecular Formula

C46H58N4O14S
Molecular Weight (MW) 923.04
SMILES CCC1(CC2CC(C3=C(CCN(C2)C1)C4=CC=CC=C4N3)(C5=C(C=C6C(=C5)C78CCN9C7C(C=CC9)(C(C(C8N6C=O)(C(=O)OC)O)OC(=O)C)CC)OC)C(=O)OC)O.OS(=O)(=O)O
InChIKey AQTQHPDCURKLKT-JKDPCDLQSA-N

Biological Activity

Vincristine sulfate is a vinca alkaloid microtubule inhibitor that binds to tubulin and inhibits microtubule polymerization. By disrupting mitotic spindle formation during the cell cycle, vincristine blocks spindle assembly and induces metaphase arrest. This inhibition of microtubule dynamics disrupts cellular transport processes and leads to the activation of apoptotic signaling pathways in cancer cells. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 100 mg/mL (108.33 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 50 mg/mL
Ethanol Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).
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Reference

[1] Lobert S, et al. Biochemistry. 1996;35(21):6806-14.

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Note: Technical data last updated: Sep 1, 2026.