Sichuan Quality Standard Biotechnology Co., Ltd.
Sichuan Zhibiao Biological Technology Co., Ltd. engages in the research and development of impurity standards and traditional Chinese medicine (TCM) chemical standards, being a biotech enterprise integrating research and trade. We provide thousands of types of impurity standards and TCM chemical standards, with ongoing additions. We can custom-make impurity components and single natural products according to customer requirements and offer services including HPLC-MS, NMR detection, and structural analysis.
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4-Chloro-3-nitrobenzoic acid
CAS Number: 96-99-1
![5-Methoxy-2-{[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfanyl}-1H-benzimidazole](https://static.chemtradehub.com/structs/735/73590-85-9-645d.webp)
Baclofen EP Impurity B
CAS Number: 1141-23-7
![Chloromethyl (11beta,17alpha)-17-[(ethoxycarbonyl)oxy]-11-hydroxy-3-oxoandrosta-1,4-diene-17-carboxylate](https://static.chemtradehub.com/structs/820/82034-46-6-9d01.webp)
![(4R,6R)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide](https://static.chemtradehub.com/structs/120/120279-95-0-6084.webp)
![5-{2-[4-(1,2-Benzothiazol-3-yl)-1-piperazinyl]ethyl}-6-chloro-3-isopropylidene-1,3-dihydro-2H-indol-2-one](https://static.chemtradehub.com/structs/684/684269-12-3-ce26.webp)
![1,3-Bis[4-(2-methoxyethyl)phenoxy]propan-2-ol](https://static.chemtradehub.com/structs/230/230975-30-1-26ae.webp)
Dehydrofelodipine
CAS Number: 96382-71-7
![1-[2-(Dimethylamino)ethyl]-1,2-dihydro-5H-tetrazole-5-thione](https://static.chemtradehub.com/structs/616/61607-68-9-8c9e.webp)
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