D7385 SIGMA Demecolcine ≥98% (HPLC) Synonym: N-Deacetyl-N-methylcolchicine CAS: 477-30-5 Empirical Formula (Hill Notation) C21H25NO5 Molecular Weight 371.43 assay ≥98% (HPLC) form powder solubility chloroform: soluble10 mg/mL ethanol: soluble storage temp. 2-8°C