As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:71939-50-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:71939-50-9
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryHebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ
Cas:71939-50-9
Min.Order:100 Gram
FOB Price: $2.0
Type:Manufacturers
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White needle crystal Storage:2-8°C Package:1kg/foil bag; 25kg
Cas:71939-50-9
Min.Order:1 Kilogram
FOB Price: $500.0 / 700.0
Type:Trading Company
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
Cas:71939-50-9
Min.Order:1
Negotiable
Type:Other
inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:71939-50-9
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryDihydroartemisinin CAS: 81496-81-3;71939-50-9;123930-80-3 Molecular Formula: C15H24O5 Home Product Category other other 71939-50-9 71939-50-9 - Names and Identifiers Name alpha-Dihydroartemisinin Synonyms BDIH d
Cas:71939-50-9
Min.Order:1 Kilogram
FOB Price: $35.0 / 49.0
Type:Lab/Research institutions
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:71939-50-9
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:71939-50-9
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:71939-50-9
Min.Order:1 Kilogram
FOB Price: $10.0 / 16.0
Type:Trading Company
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:71939-50-9
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiry1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd
Cas:71939-50-9
Min.Order:1 Kilogram
FOB Price: $5.0 / 10.0
Type:Trading Company
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s
Cas:71939-50-9
Min.Order:10 Gram
Negotiable
Type:Other
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:71939-50-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:71939-50-9
Min.Order:10 Gram
FOB Price: $1.32
Type:Trading Company
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:71939-50-9
Min.Order:1 Kilogram
FOB Price: $368.0 / 393.0
Type:Trading Company
inquiryDHQHS 2 CAS:71939-50-9 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates, st
Cas:71939-50-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:71939-50-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C
Cas:71939-50-9
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiry1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competi
Cas:71939-50-9
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
PRODUCT DETAILS
Cas:71939-50-9
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryOur Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
Cas:71939-50-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:71939-50-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryDihydroartemisinin factory priceAppearance:white powder Storage:Store in a cool dry place and keep away from strong light Package:according to customers' requirements Application:in research Transportation:By air(EMS or EUB or FedEx or TNT ect...) or
Superior quality, moderate price & quick delivery. Appearance:white crystal powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:Used as Pharmaceutical Intermediates Tr
Cas:71939-50-9
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Cas:71939-50-9
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryProduct Name: Dihydroartemisinin Synonyms: (3r,5as,6r,8as,9r,10r,12r,12ar)-decahydro-3,6,9-trimethyl-3,12-epoxy-12h-pyrano[4,3-j]-1,2-benzodioxepin-10-ol;(3r,5as,6r,8as,9r,10s,12r,12ar)-decahydro-3,6,9-trimethyl-3,12-epoxy-12h-pyrano[4,3-j]-
Cas:71939-50-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:71939-50-9
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryC12H13O2(CH3)3(O)(OO)
dihydroartemisinin
Conditions | Yield |
---|---|
With methanol; sodium tetrahydroborate at 0℃; for 3h; | 98% |
With sodium tetrahydroborate In methanol at 0 - 5℃; for 3.33333h; | 97.15% |
With sodium tetrahydroborate In methanol for 1.25h; | 96% |
Conditions | Yield |
---|---|
With iron(III) chloride In dichloromethane at 25℃; Product distribution; var. temp. and β-arteether/FeCl3 ratios; |
10α-(4-benzylpiperazin-1-yl)-10-deoxoartemisinin
A
dihydroartemisinin
B
(R)-2-[(3S,4R)-4-Methyl-2-oxo-3-(3-oxo-butyl)-cyclohexyl]-propionaldehyde
Conditions | Yield |
---|---|
With hemin; L-Cysteine In water; acetonitrile at 23℃; for 24h; pH=7.4; Product distribution; Further Variations:; Reagents; | A 6 % Spectr. B 4 % Spectr. C 6 % Spectr. |
dihydroartemisinic acid
dihydroartemisinin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: trifluoroacetic acid; oxygen / toluene / -20 - 10 °C / Flow reactor; Photolysis; Irradiation 2: sodium tetrahydroborate; lithium chloride; lithium carbonate; ethanol View Scheme |
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0 - 20℃; | 100% |
With pyridine In dichloromethane at 0℃; for 16h; | 100% |
With pyridine In dichloromethane at 20℃; for 16h; | 97% |
dihydroartemisinin
benzoyl chloride
(5aS,6R,8aS,9R,10S,12R,12aR)-3,6,9-trimethyldecahydro-3,12-epoxy[1,2]dioxepino[4,3-i]isochromen-10-yl benzoate
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0 - 20℃; for 16h; | 100% |
With pyridine In dichloromethane at 0℃; for 16h; Inert atmosphere; | 91% |
Conditions | Yield |
---|---|
With pyridine; dmap at 0 - 20℃; for 3h; | 99% |
Conditions | Yield |
---|---|
With dmap In dichloromethane at 20℃; | 98% |
In pyridine at 20℃; for 8h; | 92% |
With pyridine; dmap In dichloromethane at 25℃; Acetylation; | 87% |
With pyridine; dmap at -78 - 20℃; Inert atmosphere; |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In dichloromethane at -10 - -5℃; for 2h; | 97% |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In diethyl ether for 6h; | 96% |
dihydroartemisinin
9,10-dehydrodihydroartemisinin
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In diethyl ether at 0 - 20℃; Darkness; | 95% |
With phosphorus pentoxide In dichloromethane | 90% |
With boron trifluoride diethyl etherate In diethyl ether at 20℃; for 18h; | 90% |
dihydroartemisinin
4-nitro-benzoyl chloride
Conditions | Yield |
---|---|
With triethylamine In dichloromethane Cooling; | A n/a B 95% |
dihydroartemisinin
4-nitro-benzoyl chloride
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 24h; | 94% |
With triethylamine In dichloromethane at 20℃; | 82% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0℃; for 2h; | 94% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 5℃; for 0.0833333h; | 94% |
Conditions | Yield |
---|---|
With 12-tungstophosphoric acid hydrate In dichloromethane at 20℃; Inert atmosphere; | 94% |
chloro-trimethyl-silane
dihydroartemisinin
10β-(trimethylsilyloxy)dihydroartemisinin
Conditions | Yield |
---|---|
With pyridine for 24h; Ambient temperature; | 93% |
With pyridine at 0℃; for 1.25h; | 81% |
In pyridine at 0℃; for 1.25h; | 76% |
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 93% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 25h; | 40.46% |
succinic acid anhydride
dihydroartemisinin
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 18℃; for 4h; Concentration; | 91% |
With piperidine In dichloromethane at 0 - 25℃; for 2h; | 85% |
With pyridine for 168h; Ambient temperature; | 20 mg |
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 20℃; for 2h; | 91% |
With dmap In dichloromethane at 20℃; |
chloro-trimethyl-silane
dihydroartemisinin
10α-(trimethylsilyloxy)dihydroartemisinin
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; Cooling with ice; | 90% |
With triethylamine In dichloromethane at 0℃; for 1.5h; | 83% |
With triethylamine In dichloromethane |
dihydroartemisinin
2-bromoethanol
1-bromo-2-(10β-dihydroartemisinoxy)ethane
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In dichloromethane at 0 - 20℃; | 90% |
With boron trifluoride diethyl etherate In dichloromethane at 0℃; | 87% |
With boron trifluoride diethyl etherate In dichloromethane at 0 - 20℃; for 6h; | 71% |
Conditions | Yield |
---|---|
With acidic catalyst In dichloromethane at 0 - 10℃; | A 90% B n/a |
dihydroartemisinin
m-nitrobenzoic acid chloride
Conditions | Yield |
---|---|
With triethylamine In dichloromethane Cooling; | A 90% B n/a |
n-dodecanoyl chloride
dihydroartemisinin
Conditions | Yield |
---|---|
With triethylamine In dichloromethane Cooling; | A 90% B n/a |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane Cooling; | A 90% B n/a |
dihydroartemisinin
n-hexadecanoyl chloride
Conditions | Yield |
---|---|
With triethylamine In dichloromethane Cooling; | A n/a B 90% |
Conditions | Yield |
---|---|
With dmap; triethylamine; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 4.5h; | 90% |
Conditions | Yield |
---|---|
With dmap; triethylamine; dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 4.5h; | 90% |
4-(methoxycarbonyl)benzyl alcohol
dihydroartemisinin
methyl p-<(10-dihydroartemisininoxy)methyl>benzoate
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In diethyl ether for 24h; Ambient temperature; | 89% |
With chloro-trimethyl-silane Ambient temperature; | 85% |
dihydroartemisinin
1-bromo-3-propanol
1-bromo-3-(10β-dihydroartemisinoxy)propane
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In dichloromethane at 0℃; | 89% |
With boron trifluoride diethyl etherate In dichloromethane at 20℃; Etherification; | 60% |
With boron trifluoride diethyl etherate In diethyl ether for 6h; | 52% |
(E)-3-phenylacrylic acid
dihydroartemisinin
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 89% |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In diethyl ether for 14h; Concentration; Cooling with ice; | 87.5% |
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