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:629-94-7
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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 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
Cas:629-94-7
Min.Order:1 Metric Ton
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:629-94-7
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:629-94-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryN-HENEICOSANE CAS:629-94-7 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
Cas:629-94-7
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
1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:629-94-7
Min.Order:1 Kilogram
FOB Price: $3.0 / 5.0
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
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
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
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
Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Acmec 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:629-94-7
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
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
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
Heneicosane cas 629-94-7Appearance: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
good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:10mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any por
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Cas:629-94-7
Min.Order:0
Negotiable
Type:Trading Company
inquiryAt Share Chemical Company, we scrupulously abide by our policy of “Excellent Quality at a Reasonable Price”. We strive to satisfy all of our customers by providing the finest quality products supported by the finest in customer servi
heneicosane
Conditions | Yield |
---|---|
With ammonia; lithium In diethyl ether; ethanol at -33 - 20℃; for 2h; Reduction; | 90% |
heneicosane
Conditions | Yield |
---|---|
Stage #1: C28H50N2O2S With diisobutylaluminium hydride In hexane; dichloromethane at 0℃; for 0.5h; Stage #2: With sodium hydroxide In water Further stages.; | 87% |
Conditions | Yield |
---|---|
With hydrogen In cyclohexane at 170℃; for 20h; Reagent/catalyst; | A 7.5% B 84% |
Bisdecylmalonitril
heneicosane
Conditions | Yield |
---|---|
With potassium; toluene; perhydrodibenzo-18-crown-6 Ambient temperature; | 72.3% |
henicosan-4-one
heneicosane
Conditions | Yield |
---|---|
With amalgamated zinc in wss.-aethanol. HCl; | |
Multi-step reaction with 2 steps 1.1: ethanol / 24 h / 20 °C 2.1: DIBAL-H / CH2Cl2; hexane / 0.5 h / 0 °C 2.2: 87 percent / 3N NaOH / H2O View Scheme |
heneicosan-11-one
heneicosane
Conditions | Yield |
---|---|
With hydrogenchloride; amalgamated zinc | |
With phosphorus pentachloride und erhitzen des Reaktionsprodukts mit Jodwasserstoffsaeure und Phosphor auf 240grad; |
11-methylselanyl-heneicosane
heneicosane
Conditions | Yield |
---|---|
(i) Li, EtNH2, (ii) NH4Cl; Multistep reaction; |
11-bromo-heneicos-10-ene
heneicosane
Conditions | Yield |
---|---|
With hydrogen; nickel In ethanol |
11-phenylselanyl-heneicosane
heneicosane
Conditions | Yield |
---|---|
(i) Li, EtNH2, (ii) NH4Cl; Multistep reaction; |
heneicosane
Conditions | Yield |
---|---|
(i) Li, EtNH2, (ii) NH4Cl; Multistep reaction; | |
Multi-step reaction with 2 steps 1: (i) nBuLi, hexane, THF, (ii) H2O 2: (i) Li, EtNH2, (ii) NH4Cl View Scheme |
heneicosane
Conditions | Yield |
---|---|
(i) Li, EtNH2, (ii) NH4Cl; Multistep reaction; | |
Multi-step reaction with 2 steps 1: (i) nBuLi, hexane, THF, (ii) H2O 2: (i) Li, EtNH2, (ii) NH4Cl View Scheme |
heneicosane
Conditions | Yield |
---|---|
With phosphorus; hydrogen iodide |
(Z)-9-docosene-1,22-diol
A
icosane
B
n-docosane
C
heneicosane
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride; Pt/Al2O3 at 300℃; Product distribution; Hydrogenation; hydrogenolysis; |
Conditions | Yield |
---|---|
With air at 1130℃; under 18001.4 Torr; Formation of xenobiotics; high pressure combustion; Further byproducts given. Title compound not separated from byproducts; |
heneicosane
Conditions | Yield |
---|---|
at 500℃; for 0.0277778h; Formation of xenobiotics; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: CeCl3*7H2O / tetrahydrofuran / 2 h / -78 °C 1.2: 90 percent / tetrahydrofuran / 1.5 h / -78 °C 2.1: ethanol / 24 h / 20 °C 3.1: DIBAL-H / CH2Cl2; hexane / 0.5 h / 0 °C 3.2: 87 percent / 3N NaOH / H2O View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: thionyl chloride / benzene / 24 h / 50 °C 2.1: pyridine / CHCl3 / 20 h / 20 °C 3.1: CeCl3*7H2O / tetrahydrofuran / 2 h / -78 °C 3.2: 90 percent / tetrahydrofuran / 1.5 h / -78 °C 4.1: ethanol / 24 h / 20 °C 5.1: DIBAL-H / CH2Cl2; hexane / 0.5 h / 0 °C 5.2: 87 percent / 3N NaOH / H2O View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: pyridine / CHCl3 / 20 h / 20 °C 2.1: CeCl3*7H2O / tetrahydrofuran / 2 h / -78 °C 2.2: 90 percent / tetrahydrofuran / 1.5 h / -78 °C 3.1: ethanol / 24 h / 20 °C 4.1: DIBAL-H / CH2Cl2; hexane / 0.5 h / 0 °C 4.2: 87 percent / 3N NaOH / H2O View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / NaH / dimethylsulfoxide; diethyl ether / 3 h / 20 °C 2: 90 percent / NH3; lithium / ethanol; diethyl ether / 2 h / -33 - 20 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: sulfuric acid 2: sodium ethylate / 115 - 120 °C / 15 - 20 Torr / und Zersetzen des 11-Oxo-heneicosan-carbonsaeure-(10)-aethylesters mit alkoh.KOH 3: amalgamated zinc; concentrated HCl View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: platinum black; glacial acetic acid / Hydrogenation 2: sulfuric acid 3: sodium ethylate / 115 - 120 °C / 15 - 20 Torr / und Zersetzen des 11-Oxo-heneicosan-carbonsaeure-(10)-aethylesters mit alkoh.KOH 4: amalgamated zinc; concentrated HCl View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium ethylate / 115 - 120 °C / 15 - 20 Torr / und Zersetzen des 11-Oxo-heneicosan-carbonsaeure-(10)-aethylesters mit alkoh.KOH 2: amalgamated zinc; concentrated HCl View Scheme |
2,2-didecyl-1,3-benzodioxole
heneicosane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: BBr3 / benzene / Heating 2: H2 / Raney-Ni / ethanol View Scheme |
2-heneicosanone
heneicosane
Conditions | Yield |
---|---|
With potassium hydroxide; hydrazine In diethylene glycol at 110 - 220℃; for 17 - 20h; Product distribution / selectivity; |
benzopyrene
A
phthalic anhydride
B
pentadecane
C
2-(1-methylethyl)-1-pentene
D
Hexadecane
F
octadecane
G
n-nonadecane
H
heneicosane
R
butanoic vinyl anhydride
U
propyl benzoate
V
Di(2-ethylhexyl)phthalate
W
benzoic acid ethyl ester
X
2-isobutyl-3-methyl-pent-1-ene
Y
diisonoyl phthalate
Z
3-methylchrysene
Conditions | Yield |
---|---|
With oxygen; ozone In water |
pyrene
A
phthalic anhydride
B
xanth-9-one
C
pentadecane
D
n-docosane
E
n-hexacosane
F
tetradecane
G
Hexadecane
H
Diethylene glycol monobutyl ether
I
n-butyl isobutyrate
J
heneicosane
K
n-tricosane
L
tetracosane
M
n-pentacosane
N
cyclopenta[def]phenanthrene
P
2,6-di-tert-butyl-4-methyl-phenol
Q
Diethyl phthalate
R
Phthalic acid dibutyl ester
S
4H-Cyclopenta[def]phenanthrene
T
benzyl n-butyl phthalate
U
1,1'-Biphenyl-2,2',6,6'-tetracarboxaldehyde
V
4,5-phenanthrene-8,9-dicarbaldehyde
W
1-hexadecylcarboxylic acid
Conditions | Yield |
---|---|
With oxygen; ozone In water for 0.25 - 2h; |
decane
A
pentadecane
B
icosane
C
n-docosane
D
Tridecane
E
tetradecane
F
Hexadecane
G
hepatdecane
H
octadecane
I
n-nonadecane
J
heneicosane
Conditions | Yield |
---|---|
With C22H41IrN2O2P2; Re2O7/Al2O3; 1,3,5-trimethyl-benzene at 175℃; for 168h; Inert atmosphere; |
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