-
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
Polygalaic acid
Polygalacic acid
【Structural formula】
[Molecular formula and molecular weight] C 29 H 44 O 6 ; 488.
[Source] Polygalaceae (Polygalaceae) Polygala (Polygala) plant Polygala tenui folia Willd.
【Properties】White needle-like crystals
This product is easily soluble in methanol
Melting point: 309~311℃
【Purity Check】
TLC
1.
Developing solvent of chloroform - acetone - hexane - acetic acid (9:3:0.
Inspection of 5% vanillin sulfuric acid ethanol solution, heated at 105°C for color development, inspected under sunlight
2.
Developing agent cyclohexane- ethyl acetate -lactone (5:5:2)
Inspection of 5% vanillin sulfuric acid ethanol solution, heated at 105°C for color development, inspected under sunlight
High performance liquid chromatography
Chromatographic column Agilent SB C 18 , 10um (4.
Mobile phase methanol-0.
Detection wavelength 210nm
[Structural identification] 202
3562 (-OH), 3472 (-OH), 2943, 1697 (C=O), 1469, 1267, 1180, 1073, 980, 857
EI-MS m/z: 488 [M+H] + , 473 [M+H-CH 3 ] +
1 H-NMR (C 5 D 5 N) δ: 0.
13 C-NMR (C 5 D 5 N) δ: 44.
【Storage】Dry and airtight
.