Dayangchem's 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. DayangChem can provide different quantities
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:480-23-9
Min.Order:10 Kilogram
Negotiable
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:480-23-9
Min.Order:1 Kilogram
FOB Price: $50.0 / 100.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:480-23-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry3',4',5,7-TETRAHYDROXYISOFLAVONE CAS:480-23-9 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 qu
Cas:480-23-9
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:480-23-9
Min.Order:1 Kilogram
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
Cas:480-23-9
Min.Order:0
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
Cas:480-23-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZibo 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:480-23-9
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:480-23-9
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryfactory?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:480-23-9
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
Cas:480-23-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.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:480-23-9
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryWe 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:480-23-9
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:480-23-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
Cas:480-23-9
Min.Order:1 bottle
Negotiable
Type:Lab/Research institutions
inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
ADVANTAGE:1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day2. The products are provided with COA, HPLC, NMR, quality assurance, pac
1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
Cas:480-23-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:480-23-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGMP factory Packing with pallet as buyer's special request Best service after shipment with e-mail Cargos together with container sales service available Api, inhibitor, and fine chemicals for more than 6 years. Application:natural com
Orobol CAS NO.480-23-9 Application:Orobol CAS NO.480-23-9
3',4',5,7-TETRAHYDROXYISOFLAVONEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:480-23-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri
Orobol CAS NO.480-23-9Appearance:powder Storage:Dry and ventilated Package:Standard or as customer's require Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or by
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:5mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
3-(3,4-dimethoxyphenyl)-5,7-dihydroxy-4H-chromen-4-one
orobol
Conditions | Yield |
---|---|
With pyridine hydrochloride at 150℃; Inert atmosphere; | 70% |
orobol
Conditions | Yield |
---|---|
With boron tribromide In dichloromethane at 60℃; for 18h; | 10% |
3-(3,4-dimethoxyphenyl)-5,7-dimethoxychromen-4-one
orobol
Conditions | Yield |
---|---|
With hydrogen iodide; acetic anhydride at 150℃; |
8-(β-D-glucopyranosyl)orobol
orobol
Conditions | Yield |
---|---|
With hydrogen iodide; phenol Heating; | 20 mg |
6,8-di-C-β-D-glucopyranosyl-3',4',5,7-tetrahydroxyisoflavone
orobol
Conditions | Yield |
---|---|
With hydrogen iodide; phenol Heating; | 25 mg |
orobol
Conditions | Yield |
---|---|
With hydrogenchloride In methanol for 2h; Heating; Yield given; |
3',4',5,7-tetrahydroxyisoflavone β-D-glucopyranoside
orobol
Conditions | Yield |
---|---|
With trifluoroacetic acid for 2h; Heating; |
orobol
Conditions | Yield |
---|---|
With emulsin | |
With sulfuric acid |
orobol
Conditions | Yield |
---|---|
With hydrogen iodide |
2,2'-azobis-(2,4-dimethylvaleronitrile)
5,7-Dihydroxy-3-(4-hydroxy-phenyl)-chromen-4-on
A
orobol
Conditions | Yield |
---|---|
In acetonitrile at 50℃; for 3h; Product distribution; Further Variations:; various reaction time; |
Conditions | Yield |
---|---|
With NADPH; cytochrome P450 In water at 37℃; pH=7.4; Enzyme kinetics; Further Variations:; Reagents; | |
With ascorbic acid In dimethyl sulfoxide at 50℃; for 1.5h; pH=9; Enzymatic reaction; |
orobol
Conditions | Yield |
---|---|
With hydrogenchloride for 2h; Heating; | 3 mg |
orobol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: thallium nitrate / CHCl3 / Ambient temperature 2: H2, triethylamine / 10percent Pd/C / ethyl acetate / 760 Torr / Ambient temperature 3: 5percent HCl / methanol / 2 h / Heating View Scheme |
orobol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: H2, triethylamine / 10percent Pd/C / ethyl acetate / 760 Torr / Ambient temperature 2: 5percent HCl / methanol / 2 h / Heating View Scheme |
Conditions | Yield |
---|---|
With NADPH disodium salt; D-Galactose In dimethyl sulfoxide at 30℃; for 72h; Microbiological reaction; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: boron trifluoride diethyl etherate / 4 h / 75 °C 2: boron trifluoride diethyl etherate; methanesulfonyl chloride / 2 h / 100 °C 3: boron tribromide / dichloromethane / 18 h / 60 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: boron trifluoride diethyl etherate / 4 h / 75 °C 2: boron trifluoride diethyl etherate; methanesulfonyl chloride / 2 h / 100 °C 3: boron tribromide / dichloromethane / 18 h / 60 °C View Scheme |
orobol
Conditions | Yield |
---|---|
With hydrogenchloride In water at 90℃; for 2h; Reflux; |
5,7-dihydroxy-chromen-4-one
orobol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: dmap; triethylamine / dichloromethane / 20 °C / Inert atmosphere 2: N-Bromosuccinimide; potassium acetate; acetic acid / 20 °C / Inert atmosphere 3: palladium diacetate; dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium carbonate / N,N-dimethyl-formamide; water / 90 °C / Inert atmosphere 4: pyridine hydrochloride / 150 °C / Inert atmosphere View Scheme |
orobol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: N-Bromosuccinimide; potassium acetate; acetic acid / 20 °C / Inert atmosphere 2: palladium diacetate; dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium carbonate / N,N-dimethyl-formamide; water / 90 °C / Inert atmosphere 3: pyridine hydrochloride / 150 °C / Inert atmosphere View Scheme |
orobol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: palladium diacetate; dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium carbonate / N,N-dimethyl-formamide; water / 90 °C / Inert atmosphere 2: pyridine hydrochloride / 150 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
With (R,S)-S-adenosyl-L-methionine In dimethyl sulfoxide at 40℃; for 24h; Enzymatic reaction; | A 33.3 mg B 27.9 mg |
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