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supply high quality Levonorgestrel ,CAS 797-63-7 , active pharmaceutical ingredient
Levonorgestrel is a manufactured hormone used in a number of birth control methods. In pill form, sold under the brand name Plan B among others, it is useful within 120 hours as emergency birth control. It becomes less effective the longer after sex and only works before pregnancy has occurred. It is also combined with an estrogen to make combined oral birth control pill. Within an IUD, sold as Mirena among others, it is effective for long term prevention of pregnancy. An implantable form of levonorgestrel is also available in some countries. |
Levo- NorgestrelCAS号:797-63-7
Levo- Norgestrel分子式: C21H28O2
Levo- Norgestrel英文名称: D(minus)-norgestrel
Levo- Norgestrel英文同义词: Levonorgestrel; Norgestrel (L-); 13-ethyl-17-alpha-ethynyl-17-beta-hydroxy-4-gonen-3-one; 13-ethyl-17-alpha-ethynylgon-4-en-17-beta-ol-3-one; 13-ethyl-17-hydroxy-19-dinor-17-alpha-pregn-4-en-20-yn-3-on(+)-1; 17-alpha-ethinyl-13-beta-ethyl-17-beta-hydroxy-4-estren-3-one; 17-beta-hydroxy-18-methyl-19-nor-17-alpha-pregn-4-en-20-yn-3-one; 17-ethynyl-18-methyl-19-nortestosteron; 17-ethynyl-18-methyl-19-nortestosterone; 18-methyl-17-alpha-ethynyl-19-nortestosterone; (14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name)
Levo- NorgestrelEINECS号: 212-349-8
Levo- Norgestrel分子量: 312.45
Levo- Norgestrel熔点: 206℃
Levo- Norgestrel沸点: 459.1°C at 760 mmHg
Levo- Norgestrel密度: 2.32E-10mmHg at 25°C
Levo- Norgestrel闪点: 195.4°C