OBACUNON

Synonym(s):Obacunoic acid 3,4-lactone;Tricoccin S3

CAS NO.：751-03-1
Empirical Formula: C26H30O7
Molecular Weight: 454.51
MDL number: MFCD00075888
SAFETY DATA SHEET (SDS)
Update Date: 2026-07-27 17:00:41

What is OBACUNON?

Chemical properties

OBACUNON is a colorless columnar crystal. It is insoluble in water, easily soluble in chloroform, acetone, glacial acetic acid, insoluble in ether, and slightly soluble in ethanol.

The Uses of OBACUNON

OBACUNON can be used for content determination, identification and pharmacological experiments. It has the functions of antipyretic and dysentery, and at the same time can enhance the cytotoxic effect of antitumor drugs.

Definition

ChEBI: Obacunone is a limonoid.

Synthesis

OBACUNON was extracted from Densefruit Pittany Root-bark with 8 times the amount of 95% ethanol for 2 times, 1 h each time. According to the optimized extraction process, the extraction rate of OBACUNON was 4.192 mg/g.

Properties of OBACUNON

Melting point:	229～230℃
Boiling point:	626.2±55.0 °C(Predicted)
Density	1.32±0.1 g/cm3(Predicted)
storage temp.	2-8°C
solubility	DMSO : 250 mg/mL (550.04 mM; Need ultrasonic)
form	neat
form	Solid
color	White

Safety information for OBACUNON

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.