Levonorgestrel - Levonorgestrel
Levonorgestrel For Sale, Most Competitive Price, Fast Delivery, Custom Service, Wholesale Levonorgestrel, Made in China, High Quality Products!, China Levonorgestrel, 797-63-7 Supplier, Manufacturer.Levonorgestrel
18,19-Dinorpregn-4-en-20-yn-3-one,13-ethyl-17-hydroxy-,(17α)-(-)-(-)-13-
Ethyl-17-hydroxy-18,19-dinoxr-17α-pregn-4-en-20-yn-3-one [797-63-7]
Quality standard:
USP25
Identification:
A: Infrared Absorption
Melting range: 232℃~ 239℃
Specific rotation: between -30°and -35°
Loss on drying:≤0.5 %
Residue on ignition:≤0.3%
Limit of ethynyl group: 7.81%~8.18%
Chromatographic purity:
Single impurity≤0.5%
Sum of impurities≤2.0%
Assay: 98%~102%
Hubei Yuancheng Gongchuang technology Co., Ltd.
Address: 496#Zhongshan Road,Wuchang District, Wuhan, Hubei, China, 430064
Tel: 86-027-88083301
Hubei Yuancheng Gongchuang technology Co., Ltd. is a comprehensive and high-tech enterprise special in chemical synthetic drug, pharmaceutical intermediates, Chemical raw materials, chemical antisepsis, flavor & essence, and food additive, integrating R&D, manufacturing, operating and marketing into an organic whole. The company is located in Xiaogan city, nearby national highways of No.107, marched with Wuhan city.
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