Chengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medic
Eucommia Extract Latin name: Eucommia ulmoides Other Name: Chlorogenic acid, tannic acid coffee Sorce: Honeysuckle ; Eucmmia Leaf ; Eucommia Ulmoides ; Sambucus javanica Reinw Part used: Leaf, bark Active ingredient: Chlorog
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:479-98-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:479-98-1
Min.Order:1 Gram
FOB Price: $0.1
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
Our company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:479-98-1
Min.Order:1 Metric Ton
FOB Price: $500.0
Type:Lab/Research institutions
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:479-98-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:479-98-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:479-98-1
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:479-98-1
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
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
Aucubin CAS: 479-98-1 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, ste
Cas:479-98-1
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
PRODUCT DETAILS
Cas:479-98-1
Min.Order:500 Kilogram
FOB Price: $1.0 / 2.0
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
Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:479-98-1
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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
Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be
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
Product 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,
GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:479-98-1
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong Mopai Biotechnology 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 chemicals. W
1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:479-98-1
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquirySAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe
Cas:479-98-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryTriumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis:
The quality is guaranteed. If you find the product is wrong compared with COA, we promise 100% refund or change product. COA and HPLC will be shipped out with goods. You can also inform your analysis method and we will follow your analysis me
We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:479-98-1
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Cas:479-98-1
Min.Order:0
Negotiable
Type:Trading Company
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:479-98-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryaucubin
Conditions | Yield |
---|---|
With potassium cyanide In methanol; dichloromethane at 20℃; for 7h; | A 45% B 519 mg |
Conditions | Yield |
---|---|
With sodium tetrahydroborate In ethanol at 95℃; for 0.166667h; Yield given. Yields of byproduct given; |
aucubin
Conditions | Yield |
---|---|
With sodium hydroxide Ambient temperature; | 0.2 g |
hexa-O-acetyl-aucubin
aucubin
Conditions | Yield |
---|---|
With sodium methylate In methanol | |
Multi-step reaction with 3 steps 1: aq H2SO4 / dioxane / 24 h / 40 °C 2: Jones-reagent / acetone / 0.17 h / 0 - 5 °C 3: NaBH4 / ethanol / 0.17 h / 95 °C View Scheme |
Conditions | Yield |
---|---|
With sodium methylate In methanol at 22℃; for 1h; |
aucubin
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol | 100% |
Conditions | Yield |
---|---|
Stage #1: aucubin; 2,2-dimethoxy-propane With pyridinium p-toluenesulfonate; copper(II) sulfate In acetone at 0 - 5℃; for 96h; Substitution; Stage #2: With hydrogen; triethylamine; palladium on activated charcoal In methanol for 24h; Hydrogenation; Stage #3: With acetic acid In tetrahydrofuran for 48h; Hydrolysis; | 90% |
pivaloyl chloride
aucubin
(1S,4aR,5S,7aS)-5-(2,2-dimethyl-1-oxopropoxy)-7-[(2,2-dimethyl-1-oxopropoxy)methyl]-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-1-yl 2,3,4,6-tetrakis-O-(2,2-dimethyl-1-oxopropyl)-β-D-glucopyranoside
Conditions | Yield |
---|---|
With pyridine; dmap at 20℃; for 168000h; Acylation; | 90% |
With pyr | 76% |
With pyridine; dmap In dichloromethane at 20℃; for 96h; Inert atmosphere; |
aucubin
Conditions | Yield |
---|---|
With 4-methyl-morpholine; 6C6H15P*4CF3O3S(1-)*2Ru(2+); acetone at 65℃; for 1h; Inert atmosphere; Sealed tube; | 87% |
Conditions | Yield |
---|---|
With lithium In ammonia at -70℃; for 0.166667h; | A 10% B 80% |
Conditions | Yield |
---|---|
Stage #1: aucubin; tert-butyldimethylsilyl chloride With pyridine In dichloromethane at 0 - 20℃; for 1h; Stage #2: acetic anhydride With pyridine In dichloromethane at 20℃; for 24h; Further stages.; | A 1% B 16% C 63% D 1% |
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate; copper(II) sulfate In acetone at 0 - 5℃; for 96h; Substitution; | A 40% B n/a C n/a |
Conditions | Yield |
---|---|
With pyridine at 20℃; for 1.5h; | 30% |
aucubin
Conditions | Yield |
---|---|
With manganese(IV) oxide In water; acetone for 48h; Ambient temperature; | 8% |
aucubin
A
(4aR)-1ξ-Hydroxy-7ξ-methyl-(4ar,7ac)-octahydro-cyclopenta[c]pyran
B
(4aR)-1ξ-ethoxy-7ξ-methyl-(4ar,7ac)-octahydro-cyclopenta[c]pyran
Conditions | Yield |
---|---|
With sulfuric acid; platinum Hydrogenation; |
methanol
aucubin
(1S,4S,5S)-3,4-Bis-hydroxymethyl-5-((E)-2-methoxy-vinyl)-cyclopent-2-enol
Conditions | Yield |
---|---|
With sodium hydroxide; sodium tetrahydroborate; mercury(II) diacetate 1) MeOH, 20 min, 2) 0 - 5 deg C, 20 min; Yield given. Multistep reaction; |
methanol
aucubin
A
(1S,4S,5S)-3,4-Bis-hydroxymethyl-5-((E)-2-methoxy-vinyl)-cyclopent-2-enol
B
(1R,2R)-3,4-Bis-hydroxymethyl-2-((E)-2-methoxy-vinyl)-cyclopent-3-enol
Conditions | Yield |
---|---|
With sodium tetrahydroborate; methanolate; mercury(II) diacetate 1) MeOH, 20 min, 2) 20 min; Yield given. Multistep reaction. Yields of byproduct given; |
methanol
aucubin
A
(1S,4S,5S)-3,4-Bis-hydroxymethyl-5-((E)-2-methoxy-vinyl)-cyclopent-2-enol
B
3,4-dihydro-3α-methoxyaucubin
Conditions | Yield |
---|---|
With sodium tetrahydroborate; KH2PO4 buffer; mercury(II) diacetate 1) MeOH, 20 min, 2) 20 min; Yield given. Multistep reaction. Yields of byproduct given; |
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