Desmethylcolchicine

Suppliers

Names

[ CAS No. ]:
7336-33-6

[ Name ]:
Desmethylcolchicine

[Synonym ]:
O3-Demethylcolchicine
Colchicine,2-demethyl
Colchiciine,3-desmethyl
Desmethylcolchicine
3-Desmethylcolchicine
3-O-Demethylcolchicine

Chemical & Physical Properties

[ Density]:
1.31g/cm3

[ Boiling Point ]:
768.3ºC at 760 mmHg

[ Melting Point ]:
163-166ºC

[ Molecular Formula ]:
C20H23NO5

[ Molecular Weight ]:
357.40000

[ Flash Point ]:
418.5ºC

[ Exact Mass ]:
357.15800

[ PSA ]:
84.86000

[ LogP ]:
3.15700

[ Index of Refraction ]:
1.61

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GH0880500
CHEMICAL NAME :
Colchicine, 3-O-demethyl-
CAS REGISTRY NUMBER :
7336-33-6
LAST UPDATED :
199112
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C21-H23-N-O6
MOLECULAR WEIGHT :
385.45
WISWESSER LINE NOTATION :
L B677 MV&T&J CO1 DO1 EQ JMV1 NO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
570 ug/kg
TOXIC EFFECTS :
Tumorigenic - active as anti-cancer agent
REFERENCE :
JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 24,636,1981

Safety Information

[ Hazard Codes ]:
Xi

Synthetic Route

Precursor & DownStream

Precursor

  • Colchicoside
  • Colchicine

DownStream

  • 3-demethylthiocolchicine
  • Cornigerine
  • Acetamide,N-[(7S)-5,6,7,9-tetrahydro-2,3-dihydroxy-1,10-dimethoxy-9-oxobenzo[a]heptalen-7-yl]-

Related Compounds

  • 3-Desmethylcolchicine-d3