Shenzhen Hefeng Wandatai Medicine Technology Co., Ltd
HD impurity.com specializes in providing a wide range of drug impurity standards with over 10,000 stock items. Offering comprehensive analytical data including COA, NMR, MS, HPLC, the company serves various needs for drug synthesis and purification. Products include drug standards, impurity standards, and special intermediates, meeting drug registration requirements. Based in Shenzhen, the company supports over 1,000 clients, ensuring quality and providing unconditional returns for unsatisfactory products.
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![1-{[(Cyclohexyloxy)carbonyl]oxy}ethyl 3-{[2'-(1-ethyl-1H-tetrazol-5-yl)-4-biphenylyl]methyl}-2-oxo-2,3-dihydro-1H-benzimidazole-4-carboxylate](https://static.chemtradehub.com/structs/118/1185255-99-5-d7bc.webp)
![2-(4b-Fluoro-5-hydroxy-4a,6a,8,8-tetramethyl-2-oxo-2,4a,4b,5,6,6a,9a,10,10a,10b,11,12-dodecahydro-6bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-6b-yl)-2-oxoethyl acetate](https://static.chemtradehub.com/structs/387/3870-07-3-3889.webp)
![N-(2-{2-Methoxy-4-[(methylsulfonyl)amino]-5-phenoxyphenyl}-2-oxoethyl)acetamide](https://static.chemtradehub.com/structs/149/149456-97-3-4dd6.webp)
![(1S,5R)-3-ethyl-Bicyclo[3.2.0]hept-3-en-6-one](https://static.chemtradehub.com/structs/123/1235479-60-3-c139.webp)
![(2S,5R,6R)-3,3-Dimethyl-6-{[(5-methyl-3-phenyl-1,2-oxazol-4-yl)carbonyl]amino}-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid](https://static.chemtradehub.com/structs/66-/66-79-5-03d0.webp)
![9-{[(2E)-4-{(2R,3aS,6S,7S)-2-[(2S,3S)-1,3-Dihydroxy-2-methylbutyl]-7-hydroxyhexahydro-4H-furo[3,2-c]pyran-6-yl}-3-methyl-2-butenoyl]oxy}nonanoic acid](https://static.chemtradehub.com/structs/710/71087-97-3-f6e0.webp)
![N-(2-Pyrazinylcarbonyl)-L-phenylalanyl-N-[(1R)-1-borono-3-methylbutyl]-L-phenylalaninamide](https://static.chemtradehub.com/structs/119/1194235-41-0-3114.webp)
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Yan Juan
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