-
Categories
-
Pharmaceutical Intermediates
-
Active Pharmaceutical Ingredients
-
Food Additives
- Industrial Coatings
- Agrochemicals
- Dyes and Pigments
- Surfactant
- Flavors and Fragrances
- Chemical Reagents
- Catalyst and Auxiliary
- Natural Products
- Inorganic Chemistry
-
Organic Chemistry
-
Biochemical Engineering
- Analytical Chemistry
- Cosmetic Ingredient
-
Pharmaceutical Intermediates
Promotion
ECHEMI Mall
Wholesale
Weekly Price
Exhibition
News
-
Trade Service
Melon seed gold saponins
Polygalasaponin F
【Structural formula】
[Molecular formula and molecular weight] C 53 H 86 O 23 ; 1091.
[Source] The dry whole plant of Polygala japonica Houtt
【Properties】White powder
This product is soluble in methanol and water
Melting point: 232~233℃
【Purity Check】
TLC
1.
Developing solvent n-butanol - acetic acid - water (4: 1: 5) upper solution
Check the color development of 10% sulfuric acid ethanol solution, check under sunlight
2.
Developing solvent chloroform - methanol - water (75:35:4)
Check the color development of 10% sulfuric acid ethanol solution, check under sunlight
High performance liquid chromatography
Chromatographic column Agilent C 18 , 5um (4.
Mobile phase acetonitrile - water (28:72), 1.
Evaporative light scattering detection, drift tube temperature 105℃, carrier gas flow rate 2.
【Structural identification】203
3387, 2942, 1751, 1637, 1460, 1386, 1257, 1159, 1077, 1046, 893, 817
ESI-MS m/z: 1089 [MH] -
1 H-NMR (C 5 D 5 N) δ: 0.
13 C-NMR (C 5 D 5 N) δ: 44.
【Storage】Keep tightly closed
.