Leonurine hydrochloride

Synonym(s):4-Guanidino-1-butanol syringate;4-Guanidinobutyl 4-hydroxy-3,5-dimethoxybenzoate;SCM-198

CAS NO.：24697-74-3
Empirical Formula: C14H21N3O5
Molecular Weight: 311.33
MDL number: MFCD09839432
EINECS: 683-174-6
SAFETY DATA SHEET (SDS)
Update Date: 2025-12-07 19:09:50

What is Leonurine hydrochloride?

Description

An amorphous alkaloid, leonurine has been obtained from the leaves of Leonurus sibiricus L. and is characterized as the crystalline hydrochloride hydra te, m.p. 19l-4°C. Hydrolysis yields syringic acid and Q-hydroxybutylguanidine. The total synthesis of the alkaloid has been achieved, confirming the above structure.

The Uses of Leonurine hydrochloride

Leonurine Hydrochloride is an alkaloid plant extract used in the treatment of uterine disorders. Used in the modification of uterine contractions in rats.

The Uses of Leonurine hydrochloride

Leonurine is a pseudoalkaloid that has been isolated from Leonotis leonurus. A natural product with antioxidant, anti-inflammatory and cardioprotective properties for the treatment of wild variety of conditions including stroke, cerebral thrombosis and cardiovascular diseases.

Definition

ChEBI: Leonurine is a trihydroxybenzoic acid.

References

Kubota, Nakajima., Nippon Yakubusugaku Zasshi., 163 (1930)
Goto et al., Tetrahedron Lett., 545 (1962)
Total synthesis:
Kishi et al., Tetrahedron Lett., 637 (1968)

Properties of Leonurine hydrochloride

Melting point:	238 °C
Boiling point:	496.7±55.0 °C(Predicted)
Density	1.29±0.1 g/cm3(Predicted)
storage temp.	Keep in dark place,Inert atmosphere,2-8°C
solubility	DMSO: soluble2mg/mL, clear (warmed)
pka	8.26±0.25(Predicted)
form	powder
color	white to beige
Stability:	Stable for 1 year from date of purchase as supplied. Solutions in DMSO may be stored at -20°C for up to 1 month.

Safety information for Leonurine hydrochloride

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.