Name | Hyoscyamine |
Synonyms | L-(P) Hyoscyamine L-Hyoscyamine (-)-hyoscyamin HYOSCYAMINE,USP L-Hyoscyamine free base L-Hyoscyamine (Daturine) L-HYOSCYAMINE FREE BASE CRYSTALLINE 8-methyl-8-azabicyclo[3.2.1]oct-3-yl 3-hydroxy-2-phenylpropanoate 8-methyl-8-azabicyclo[3.2.1]oct-3-yl (2S)-3-hydroxy-2-phenylpropanoate (1R,5S)-8-methyl-8-azabicyclo[3.2.1]oct-3-yl (2S)-3-hydroxy-2-phenylpropanoate (3-endo)-8-methyl-8-azabicyclo[3.2.1]oct-3-yl (2S)-3-hydroxy-2-phenylpropanoate [3(S)-ENDO]-8-METHYL-8-AZABICYCLO[3.2.1]OCT-3-YL ESTER, ALPHA-(HYDROXYMETHYL)-BENZENEACETIC ACID Benzeneacetic acid, .alpha.-(hydroxymethyl)-, (3-endo)-8-methyl-8-azabicyclo3.2.1oct-3-yl ester, (.alpha.S)- |
CAS | 101-31-5 |
EINECS | 202-933-0 |
InChI | InChI=1/C17H23NO3/c1-18-13-7-8-14(18)10-15(9-13)21-17(20)16(11-19)12-5-3-2-4-6-12/h2-6,13-16,19H,7-11H2,1H3/t13-,14+,15+,16-/m1/s1 |
InChIKey | RKUNBYITZUJHSG-FXUDXRNXSA-N |
Molecular Formula | C17 H23 N O3 |
Molar Mass | 289.37 |
Density | 1.0470 (rough estimate) |
Melting Point | 108,5°C |
Boling Point | 431.53°C (rough estimate) |
Specific Rotation(α) | D20 -21.0° (alc) |
Flash Point | 213.738°C |
Water Solubility | 3.6g/L(20 ºC) |
Vapor Presure | 0mmHg at 25°C |
Appearance | powder |
Color | white |
Merck | 14,4858 |
pKa | pKa (21°) 9.7 |
Storage Condition | 2-8°C |
Refractive Index | 1.5200 (estimate) |
Physical and Chemical Properties | White crystalline powder, odorless, bitter and hot taste. Easily racemic, alkaline aqueous solution. MP 108.5 ° C., specific optical rotation [α]20D-21 ° (ethanol). This product is very soluble in ethanol and dilute acid, soluble in chloroform (1:1), soluble in water (1:280), ether (1:69) and benzene (1:159). |
In vitro study | In steady-state kinetic measurements, L-hyoscyamine increased the conversion number of TPase activity from 0.19 min-1 to 2.11 min-1. R-(+)-hyoscyamine causes [in CHO cells, Hyoscyamine prevents stimulant-induced cAMP production with an EC50 of 7.8 nM. S-(-)-hyoscyamine enhanced forskolin-stimulated ring AMP synthesis in mouse heart (atrial and ventricular) membranes by 24%. |
In vivo study | In conscious rats, L-hyoscyamine (20 mg/kg) prolonged the cycle period of the transitional electromyographic complex (MMC) from 17.6 min to 29.0 min. |
Hazard Symbols | T+ - Very toxic |
Risk Codes | 26/28 - Very toxic by inhalation and if swallowed. |
Safety Description | S24 - Avoid contact with skin. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
UN IDs | UN 1544 6.1/PG 2 |
WGK Germany | 3 |
RTECS | NH0875000 |
HS Code | 29339900 |
Hazard Class | 6.1 |
Packing Group | I |
distributed in Solanaceae plants such as Belladonna, scoparia stram,oni-folia> Datura stram, onite, Datura, etel. As well as in plants such as scopolamine Scopolamine (Sco Pol IA Angata). Refined from natural plant extracts.
The Botanical insecticide has the effects of killing, gastric poison and repelling to many kinds of crop pests, and is mainly applied to the control of cabbage and cabbage.