Molecular Formula | C20H30O4 |
Molar Mass | 334.45 |
Density | 1.123±0.06 g/cm3(Predicted) |
Boling Point | 511.7±50.0 °C(Predicted) |
Specific Rotation(α) | -40 (c=1,Anhydrous ethanol) |
Solubility | Soluble in methanol, ethanol, acetone, pyridine and chloroform, soluble in benzene and ether. |
Appearance | Crystalline powder |
pKa | 14.89±0.70(Predicted) |
Storage Condition | 2-8℃ |
Physical and Chemical Properties | White crystalline powder, soluble in methanol, ethanol, DMSO and other organic solvents, comes from Andrographis paniculata Andrographis paniculata (Burm. f.) Nees. |
Reference Show more | 1. Cui Dandan, Zeng Lingjie, Huang Jialing, etc. Quality Grade Evaluation of Andrographis paniculata based on principal component clustering and PLS regression analysis [J]. Chinese herbal medicine, 2019. 2. Zeng Wu Jing, Xu Ling, He Qiu Ling, etc. Agronomic traits of Andrographis paniculata and their correlation with diterpene lactones [J]. Chinese Journal of Traditional Chinese Medicine, 2019, 26 (15). 3. Huang Jialing, Zeng Lingjie, Cui Dandan, Chen yuanxia, Zhang Xiaoyuan, Zhang Junyan. Correlation between Andrographis paniculata grade and leaf-stem ratio, extract and lactones [J]. Chinese traditional medicines, 2020,42(10):2675-2679. 4. [IF = 2.329] Xiudi Lai et al."Rapid Simultaneous Determination of Andrographolides in Andrographis paniculata by Near-isolated spectrum." Anal Lett. 2018;51(17):2747-2762 |