供应左炔诺孕酮杂质对照品（提供COA结构纯度确认图谱）Levonorgestrel Impurity
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左炔诺孕酮硫酸钠 Levonorgestrel Sulfate Sodium Salt C21H27O5S. Na M.W. 391.51 22.99
左炔诺孕酮EP杂质M Levonorgestrel EP Impurity M CAS : 51087-61-7
左炔诺孕酮极压杂质 Levonorgestrel EP Impurity S CAS : 176254-10-7
左炔诺孕酮EP杂质B Levonorgestrel EP Impurity B CAS : 19914-67-1
左炔诺孕酮EP杂质V（芳香族左炔诺孕酮） Levonorgestrel EP Impurity V (Aromatic Levonorgestrel) CAS : 14009-70-2
左炔诺孕酮EP杂质Q Levonorgestrel EP Impurity Q CAS : 1038-28-4
左炔诺孕酮EP杂质J（6-酮基左炔诺孕酮） Levonorgestrel EP Impurity J (6-Keto Levonorgestrel) CAS : 1175109-63-3
D-（-）-炔诺孕酮 D-(-)-Norgestrel (Levonorgestrel) CAS : 797-63-7
左炔诺孕酮杂质4（乙二烯酮） Levonorgestrel Impurity 4 (Ethylmetrienone) CAS : 848-04-4
左炔诺孕酮杂质7 Levonorgestrel Impurity 7 C21H28O3 M.W. 328.45
左炔诺孕酮杂质C Levonorgestrel Impurity C CAS : 1337972-89-0
左炔诺孕酮EP杂质A Levonorgestrel EP Impurity A CAS : 1260525-53-8/ 左炔诺孕酮杂质对照品
左炔诺孕酮EP杂质L（18-甲基酯-4-烯-3,17-二酮） Levonorgestrel EP Impurity L (18-Methylester-4-ene-3,17-dione) CAS : 21800-83-9
10α-羟基左炔诺孕酮 10-alpha-Hydroxy Levonorgestrel C21H28O3 M.W. 328.46
左炔诺孕酮EP杂质R Levonorgestrel EP Impurity R CAS : 2322-77-2
δ-5（10）-8-α-左炔诺孕酮 Delta-5(10)-8-alfa-Levonorgestrel CAS : 5772-36-1
左炔诺孕酮杂质1 Levonorgestrel Impurity 1 CAS : 7443-72-3
左炔诺孕酮杂质3（非对映体混合物） Levonorgestrel Impurity 3 (Mixture of Diastereomers) C20H26O3 M.W. 314.43
左炔诺孕酮杂质6 Levonorgestrel Impurity 6 C21H28O3 M.W. 328.45
左炔诺孕酮杂质9 Levonorgestrel Impurity 9 CAS : 61921-57-1
左炔诺孕酮EP杂质H（6-β-羟基左炔诺孕酮） Levonorgestrel EP Impurity H (6-beta-Hydroxy Levonorgestrel) CAS : 55555-97-0
左炔诺孕酮杂质I（10β-羟基左炔诺孕酮） Levonorgestrel Impurity I (10-beta-Hydroxy Levonorgestrel) CAS : 21508-50-9
左炔诺孕酮EP杂质N Levonorgestrel EP Impurity N CAS : 4222-96-2
左炔诺孕酮杂质P Levonorgestrel Impurity P CAS : 100021-05-4
代尔塔1（10）-4，5-二氢左炔诺孕酮 Delta1 (10)-4, 5-dihydro-levonorgestrel C21H28O2 M.W. 312.46
左炔诺孕酮杂质O Levonorgestrel Impurity O C22H32O3 M.W. 344.50
左炔诺孕酮-D6（（-）-norgestrel-D6） Levonorgestrel-d6 ((-)-Norgestrel-d6) CAS : 797-63-7 (non-labelled)
左炔诺孕酮杂质w Levonorgestrel Impurity W C21H24O2 M.W. 308.42
左炔诺孕酮EP杂质T Levonorgestrel EP Impurity T CAS : 14507-51-8
左炔诺孕酮杂质D Levonorgestrel Impurity D CAS : 32419-58-2
左炔诺孕酮杂质2 Levonorgestrel Impurity 2 CAS : 850-92-0
左炔诺孕酮杂质5 Levonorgestrel Impurity 5 C20H26O2 M.W. 298.43
左炔诺孕酮杂质8 Levonorgestrel Impurity 8 C21H30O3 M.W. 330.47
左炔诺孕酮EP杂质G Levonorgestrel EP Impurity G CAS : 87585-03-3
3-α，5-β-四氢左炔诺孕酮 3-alfa,5-beta-Tetrahydro Levonorgestrel C21H32O2 M.W. 316.49
6β-羟基左炔诺孕酮17醋酸酯 6β-Hydroxy Levonorgestrel 17-Acetate
6α-羟基左炔诺孕酮17醋酸酯 6α-Hydroxy Levonorgestrel 17-Acetate
“13-乙基-17-羟基-18,19-二诺-17α-孕酮-5（10）-EN-20-YN-3-酮（左旋炔诺酮杂质）” “13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity)” CAS:19914-67-1
“13-乙基-18,19-二诺-17α-pregn-4-en-20-yn-17-ol（左旋炔诺孕酮杂质）” “13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol(Levo Norgestrel Impurity)” CAS:32419-58-2
D-（-）-降孕素 D-(-)-Norgestrel CAS:NA
13-乙基-3,17α-三甲基硅基-18,19-二诺-孕-3,5-二烯-17-醇 13-Ethyl-3,17α-trimethylsilylethynyl-18,19-dinor-pregna-3,5-dien-17-ol CAS:NA
“13-乙基-3-乙炔基-18,19-二诺-17α-孕-3,5-二烯-20-炔-17-醇（左旋炔诺酮杂质）” “13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol(Levo Norgestrel Impurity)” CAS:1337972-89-0
D-（-）-降孕素 D-(-)-Norgestrel CAS:NA
（17α）-（？）-13-乙基-3-甲氧基-18,19-二诺普利-2,5（10）-二烯-20-炔-17-醇（左炔诺孕酮杂质T） (17α)-(±)-13-Ethyl-3-methoxy-18,19-dinorpregna-2,5(10)-dien-20-yn-17-ol (Levonorgestrel Impurity T) CAS:799-43-9
5α-二氢左炔诺孕酮 5α-Dihydrolevonorgestrel CAS:78088-19-4
6β-羟基左炔诺孕酮 6β-Hydroxylevonorgestrel CAS:55555-97-0
13-乙基-5（10）en-3,17-二酮 13-Ethylgon-5(10)en-3,17-dione CAS:4222-96-2
（17β）-13-乙基-3-甲氧基-1,3,5（10），8-四烯-17-醇 (17β)-13-Ethyl-3-methoxygona-1,3,5(10),8-tetraen-17-ol CAS:7443-72-3
D-（-）-降孕素 D-(-)-Norgestrel CAS:797-63-7
13-乙基-17α-三甲基硅基-3-三氟-18,19-二诺-pregna-3,5-二烯-17-醇 13-Ethyl-17α-trimethylsilylethynyl-3-triflate-18,19-dinor-pregna-3,5-dien-17-ol CAS:NA
13-乙基-17α-三甲基硅基-3-三氟-18,19-二诺-pregna-3,5-二烯-17-醇三甲基硅基醚 13-Ethyl-17α-trimethylsilylethynyl-3-triflate-18,19-dinor-pregna-3,5-dien-17-ol Trimethylsilyl Ether CAS:NA
10β-羟基d-（-）-炔诺孕酮 10β-Hydroxy D-(-)-Norgestrel CAS:21508-50-9