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Basic Information
CAS No.: 56239-24-8
Name: 1-(2-chloroethyl)-3-(4-hydroxycyclohexyl)-1-nitroso-urea
Molecular Structure:
Molecular Structure of 56239-24-8 (1-(2-chloroethyl)-3-(4-hydroxycyclohexyl)-1-nitroso-urea)
Formula: C9H16 Cl N3 O3
Molecular Weight: 249.697
Synonyms: Urea,N-(2-chloroethyl)-N'-(4-hydroxycyclohexyl)-N-nitroso-, trans-;1-(2-Chloroethyl)-3-(trans-4-hydroxycyclohexyl)-1-nitrosourea;N-(2-Chloroethyl)-N'-(trans-4-hydroxycyclohexyl)-N-nitrosourea; NSC 239717;trans-4-Hydroxy CCNU
Density: 1.46g/cm3
Boiling Point: °Cat760mmHg
Flash Point: °C
Safety: Poison by implant, intravenous and intraperitoneal routes. Human mutation data reported. Many N-nitroso compounds are carcinogens. When heated to decomposition it emits very toxic fumes of NOx and Cl−. See also N-NITROSO COMPOUNDS.
PSA: 82.00000
LogP: 1.61260
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Chemistry

IUPAC Name :1-(2-Chloroethyl)-3-(4-hydroxycyclohexyl)-1-nitrosourea
Synonyms: 1-(2-Chloroethyl)-3-(4-hydroxycyclohexyl)-1-nitrosourea ; 1-(2-Chloroethyl)-3-(cis-4-hydroxycyclohexyl)-1-nitrosourea ; 1-(2-Chloroethyl)-3-(trans-4-hydroxycyclohexyl)-1-nitrosourea ; 4-Hydroxylomustine
CAS NO:56239-24-8
Molecular Formula of 1-(2-Chloroethyl)-3-(trans-4-hydro-xycyclohexyl)-1-nitrosourea (CAS NO:56239-24-8) : C9H16ClN3O3
Molecular Weight of 1-(2-Chloroethyl)-3-(trans-4-hydro-xycyclohexyl)-1-nitrosourea (CAS NO:56239-24-8) :249.6946
Molecular Structure of 1-(2-Chloroethyl)-3-(trans-4-hydro-xycyclohexyl)-1-nitrosourea (CAS NO:56239-24-8) :
                               
Index of Refraction:1.605
Surface Tension: 56.1 dyne/cm
Density: 1.46 g/cm3

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD10 intravenous 12mg/kg (12mg/kg)   Antibiotics and Chemotherapy Vol. 23, Pg. 64, 1978.
mouse LD50 intraperitoneal 52420ug/kg (52.42mg/kg)   National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program. Vol. JAN1986,
mouse LDLo intrapleural 35mg/kg (35mg/kg)   Journal of Medicinal Chemistry. Vol. 18, Pg. 634, 1975.

Safety Profile

Poison by implant, intravenous and intraperitoneal routes. Human mutation data reported. Many N-nitroso compounds are carcinogens. When heated to decomposition it emits very toxic fumes of NOx and Cl−. See also N-NITROSO COMPOUNDS.