16-beta-Hydroxy-3,11-dioxopregna-4,17(20)-dien-21-oic acid, gamma-lactone

Modify Date: 2025-09-13 06:22:40

16-beta-Hydroxy-3,11-dioxopregna-4,17(20)-dien-21-oic acid, gamma-lactone Structure
16-beta-Hydroxy-3,11-dioxopregna-4,17(20)-dien-21-oic acid, gamma-lactone structure
Common Name 16-beta-Hydroxy-3,11-dioxopregna-4,17(20)-dien-21-oic acid, gamma-lactone
CAS Number 337-68-8 Molecular Weight 340.41300
Density 1.27g/cm3 Boiling Point 574.6ºC at 760 mmHg
Molecular Formula C21H24O4 Melting Point N/A
MSDS N/A Flash Point 253.6ºC

 Names

Name Pregna-4,17(20)-dien-21-oic acid, 16.β.-hydroxy-3,11-dioxo-, .γ.-lactone
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.27g/cm3
Boiling Point 574.6ºC at 760 mmHg
Molecular Formula C21H24O4
Molecular Weight 340.41300
Flash Point 253.6ºC
Exact Mass 340.16700
PSA 60.44000
LogP 3.15900
Index of Refraction 1.594
InChIKey RBULKOMEEZXUGR-BIOQOPCMSA-N
SMILES CC12CC(=O)C3C(CCC4=CC(=O)CCC43C)C1CC1OC(=O)C=C12

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TU4156000
CHEMICAL NAME :
Pregna-4,17(20)-dien-21-oic acid, 16-beta-hydroxy-3,11-dioxo-, gamma-lactone
CAS REGISTRY NUMBER :
337-68-8
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C21-H24-O4
MOLECULAR WEIGHT :
340.45
WISWESSER LINE NOTATION :
T F5 E5 B666 CV HVO RV PU JH&TTTTJ A1 E1

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 :
79 mg/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: 7,348,1964

 Synonyms

[3-[5-[5-(4,5-dihydroxy-6-methyloxan-2-yl)oxy-4-hydroxy-6-methyloxan-2-yl]oxy-4-hydroxy-6-methyloxan-2-yl]oxy-14-hydroxy-10,13-dimethyl-17-(5-oxo-2H-furan-3-yl)-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthren-16-yl] formate
[3-[5-[5-(4,5-dihydroxy-6-methyl-oxan-2-yl)oxy-4-hydroxy-6-methyl-oxan-2-yl]oxy-4-hydroxy-6-methyl-oxan-2-yl]oxy-14-hydroxy-10,13-dimethyl-17-(5-oxo-2H-furan-3-yl)-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthren-16-yl] methanoate
O16-Formyl-gitoxin
16-Formylgitoxin
formic acid [3-[5-[5-(4,5-dihydroxy-6-methyl-tetrahydropyran-2-yl)oxy-4-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-4-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-14-hydroxy-17-(5-keto-2H-furan-3-yl)-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthren-16-yl] ester
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