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
Cas:3590-84-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
The 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
Our 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 5 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:3590-84-9
Min.Order:1 Gram
Negotiable
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:3590-84-9
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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 ♦ W
Cas:3590-84-9
Min.Order:1 Kilogram
FOB Price: $289.0 / 499.0
Type:Trading Company
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Cas:3590-84-9
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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Cas:3590-84-9
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
superior quality moderate price & quick delivery Appearance:powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:used to make other chemic
J&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
Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:3590-84-9
Min.Order:1 Kilogram
FOB Price: $2.0
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:3590-84-9
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
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Lower 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
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Ansciep 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
We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as pri
Tetraoctyltin cas 3590-84-9Appearance: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
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high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
Cas:3590-84-9
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With magnesium In diethyl ether; toluene at 50 - 65℃; Solvent; Inert atmosphere; Flow reactor; | 98.5% |
With sodium In Petroleum ether 13 h; | 65-80 |
With Na In petroleum ether 13 h; | 65-80 |
Conditions | Yield |
---|---|
With Na | 98% |
With sodium | 98% |
Conditions | Yield |
---|---|
In dibutyl ether 70°C; | 98% |
In dibutyl ether 70°C; | 98% |
In dibutyl ether 70°C; | 98% |
Conditions | Yield |
---|---|
In tetrahydrofuran; n-heptane a soln. of SnCl4 (18 mmol) in heptane was added dropwise within 10 min to a soln. of (C8H17)2Mg (44 mmol) in THF with stirring (pptn.); the mixt. was refluxed for 3 1/3 h, then treated with H2O and 10% HCl;; the org. layer was separated and dried with CaCl2, the solvents were distilled off in vac., the residue was istilled in high vac.; 99.1% purity (asdetermined by gas chromy.); identified by mass spectrometry; elem. anal.;; | 95% |
Conditions | Yield |
---|---|
In toluene | 90% |
In n-heptane | 87.93% |
In n-heptane | 87.93% |
In diethyl ether 130-140°C, 10 h; | 59% |
Conditions | Yield |
---|---|
With magnesium In tetrahydrofuran a soln. of ditin oxide in dry THF was added dropwise to a suspn. of a magnesium powder, activated by BrCH2CH2Br or I2, in dry THF, mixt. was heated at reflux for 15 h; petroleum ether was added, filtered, solvents evapd., residue was distilled; | A 0% B 82% |
With sodium In neat (no solvent) stoich. amt. of sodium (2 mol for 1 mol of ditin oxide), 120°C, 48 h; unreacted n-Oct6Sn2O was removed by filtration in pentane through a short SiO2 column, n-Oct4Sn was removed by distn.; | A 1-5 B 68% |
Conditions | Yield |
---|---|
64.9% | |
64.9% |
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