A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Factory direct sales, accept customization. Kind Pharma has its own laboratory, we can do analytical testing for API (Active Pharmaceutical Ingredient), pharmaceutical intermediate, pesticide intermediate, additive and other chemical products, so it
Superiority pioneerbiotech is a leading manufacturer and supplier of chemicals in China. We develop ,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Bes
Cas:68-26-8
Min.Order:1 Kilogram
FOB Price: $460.0 / 500.0
Type:Other
inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:oil or powder Storage:Refer to COA / MSDS Packa
Cas:68-26-8
Min.Order:1 Kilogram
Negotiable
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:68-26-8
Min.Order:1 Kilogram
FOB Price: $472.0 / 475.0
Type:Trading Company
inquiryLuhan Pharmachem Co., Ltd. owns strong elite professional quality sales force, has the customer base from the US, Europe, Japan, Southeast Asia, Korea, Hong Kong, Taiwan and other countries and regions, the company operates in accordance with the mod
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:68-26-8
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
Cas:68-26-8
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Trading Company
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:68-26-8
Min.Order:100 Gram
FOB Price: $2.0
Type:Manufacturers
inquiryWe are: Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medicine, Health care product, Cosmetics, Food,Feed, Biopesticide. Hot selling market: Europe,
Cas:68-26-8
Min.Order:2 Kilogram
FOB Price: $15.2 / 18.8
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inquiryT he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:White
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
1. 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:68-26-8
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryADVANTAGE: 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 day 2. The products are provided with COA, HPLC, NMR, quality assurance,
Shanghai 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:68-26-8
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryZorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ
Cas:68-26-8
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryOur company was built in 2009 with an ISO certificate.In the past 11 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.
Cas:68-26-8
Min.Order:1 Gram
FOB Price: $350.0
Type:Lab/Research institutions
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:68-26-8
Min.Order:1 Gram
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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
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Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur 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
Product name Vitamin A/Retinol powder CAS 68-26-8 Specification 98% EINECS 200-683-7 MF
Appearance:yellow to orange crystalline solid Storage:Room temperature Package:25kg/drum Application:Fat-soluble vitamins Transportation:Express/Sea/Air Port:Any port in china
Cas:68-26-8
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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 service is our
Cas:68-26-8
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
Hanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d
We 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:68-26-8
Min.Order:10 Gram
FOB Price: $1.32
Type:Trading Company
inquiryProduct Name: all-trans-Retinol CAS: 68-26-8 MF: C20H30O MW: 286.45 EINECS: 200-683-7 Mol File: 68-26-8.mol all-trans-Retinol Structure all-trans-Retinol Chemical Properties Melting point 61-63 °C(lit.) Boiling point 3
all-trans-RetinolCAS: 68-26-8 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 intermedia
Cas:68-26-8
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
Advantage : 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:68-26-8
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryethenol
(+/-)-7-hydroxy-3.7-dimethyl-1-(2.2.6-trimethyl-cyclohexen-(6)-yl)-nonatetraene-(1.3.5.8)
RETINOL
Conditions | Yield |
---|---|
With hydrogenchloride In toluene at 50℃; for 1h; Temperature; | 95% |
9-(2,6,6-Trimethyl-cyclohex-1-enyl)-5-phenyl-sulphonyl-3,7-dimethyl-1-acetoxy-nona-2,6,8-triene
RETINOL
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol Heating; | 94% |
(2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal
(E)-4-chloro-3-methyl-2-buten-1-ol
RETINOL
Conditions | Yield |
---|---|
Stage #1: (E)-4-chloro-3-methyl-2-buten-1-ol With triphenylphosphine In methanol at 45℃; for 1h; Stage #2: (2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal With sodium hydroxide In methanol; water at 45℃; for 1h; Reagent/catalyst; | 90% |
tert-Butyl-[(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenyloxy]-diphenyl-silane
RETINOL
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In tetrahydrofuran | 84% |
Conditions | Yield |
---|---|
With methyllithium In tetrahydrofuran at -15℃; for 0.75h; Inert atmosphere; | 83% |
With water | |
With methyllithium In diethyl ether at -15℃; for 2h; | 600 mg |
(E,E)-(5-hydroxy-3-methylpenta-1,3-dienyl)boronic acid
2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene
RETINOL
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); TlOH In tetrahydrofuran for 0.5h; Ambient temperature; | 83% |
(2E,4E)-5-(benzyldimethylsilyl)-3-methylpenta-2,4-dien-1-ol
2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene
RETINOL
Conditions | Yield |
---|---|
Stage #1: (2E,4E)-5-(benzyldimethylsilyl)-3-methylpenta-2,4-dien-1-ol With tetrabutyl ammonium fluoride In tetrahydrofuran at 0℃; for 0.5h; Hiyama Coupling; Inert atmosphere; Stage #2: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran at 0 - 25℃; for 3.5h; Hiyama Coupling; Inert atmosphere; | 82% |
Stage #1: (2E,4E)-5-(benzyldimethylsilyl)-3-methylpenta-2,4-dien-1-ol With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 0.5h; Hiyama Coupling; Inert atmosphere; Darkness; Stage #2: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran for 1h; Hiyama Coupling; Inert atmosphere; Darkness; | 77% |
tBDMS-retinol
RETINOL
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride | 80% |
With tetrabutyl ammonium fluoride In tetrahydrofuran for 2h; Ambient temperature; | 80% |
Retinol acetate
1-hexadecylcarboxylic acid
A
retinyl palmitate
B
RETINOL
Conditions | Yield |
---|---|
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 15h; Product distribution / selectivity; Enzymatic reaction; | A 78% B n/a |
1-acetoxy-3,7-dimethyl-8-(tetrahydropyran-2-yl)oxy-9-phenylsulfonyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2(E),6(E)-nonadiene
A
2-cis-Vitamin-A
C
11-cis-retinol
D
RETINOL
Conditions | Yield |
---|---|
With potassium methanolate In cyclohexane at 38℃; for 2h; | A n/a B n/a C n/a D 77% |
With potassium methanolate In cyclohexane at 38℃; for 2h; Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
With diisobutylaluminium hydride | 76% |
trans-tetrahydropyran-2-yl retinyl ether
RETINOL
Conditions | Yield |
---|---|
With methanol; chloro-trimethyl-silane; water In tetrahydrofuran for 0.0833333h; | 74% |
With chloro-trimethyl-silane; water In methanol for 0.166667h; Inert atmosphere; | 74% |
With chloro-trimethyl-silane; water In methanol for 0.166667h; | 74% |
Conditions | Yield |
---|---|
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 21h; Product distribution / selectivity; Enzymatic reaction; Sonication; | A 71% B n/a |
Conditions | Yield |
---|---|
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 2 - 50h; Product distribution / selectivity; Enzymatic reaction; | A 71% B n/a |
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin) In toluene at 20 - 50℃; for 1 - 2h; Product distribution / selectivity; Enzymatic reaction; | |
With Lipozyme TI IM; Amberlyst A-21 In toluene at 20℃; for 45h; Product distribution / selectivity; Enzymatic reaction; |
cis-Octadecenoic acid
Retinol acetate
A
retinyl stearate
B
RETINOL
Conditions | Yield |
---|---|
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 15h; Product distribution / selectivity; Enzymatic reaction; | A 69% B n/a |
formaldehyd
trimethylaluminum
1-((E,E,E)-3-methyl-1,3,5-octatrien-7-ynyl)-2,6,6-trimethyl-1-cyclohexene
RETINOL
Conditions | Yield |
---|---|
Multistep reaction.; | 67% |
2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene
(2E,4E)-3-methyl-5-(tri-n-butylstannyl)penta-2,4-dien-1-ol
RETINOL
Conditions | Yield |
---|---|
Stage #1: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With 1-methyl-pyrrolidin-2-one; tris-(dibenzylideneacetone)dipalladium(0); triphenyl-arsane at 25℃; for 0.166667h; Stille Cross-Coupling (Migita-Kosugi-Stille Coupling); Inert atmosphere; Stage #2: (2E,4E)-5-(tri-n-butylstannyl)-3-methylpenta-2,4-dien-1-ol at 25℃; Stille Cross-Coupling (Migita-Kosugi-Stille Coupling); Inert atmosphere; | 60% |
Conditions | Yield |
---|---|
With diisobutylaluminium hydride | |
With triethylaluminum | |
With sodium tetrahydroborate In ethanol Ambient temperature; 2-3 h; |
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride; diethyl ether |
RETINOL
(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol
benzoyl chloride
RETINOL
Conditions | Yield |
---|---|
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen; | |
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen; | |
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen; |
(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol
acetyl chloride
RETINOL
Conditions | Yield |
---|---|
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen; | |
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen; | |
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen; |
(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol
butyryl chloride
RETINOL
Conditions | Yield |
---|---|
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen; | |
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen; | |
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen; |
(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol
n-hexadecanoyl chloride
RETINOL
Conditions | Yield |
---|---|
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen; | |
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen; | |
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen; |
retinoyl fluoride
RETINOL
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride Yield given; |
Acetic acid (2Z,6E)-9-benzenesulfonyl-3,7-dimethyl-8-(tetrahydro-pyran-2-yloxy)-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6-dienyl ester
A
2-cis-Vitamin-A
B
11,13-Di-cis-vitamin A
C
(9Z,13Z)-retinol
D
RETINOL
Conditions | Yield |
---|---|
With potassium methanolate In cyclohexane at 38℃; for 2h; Yield given. Title compound not separated from byproducts; | |
With potassium methanolate In cyclohexane at 38℃; for 2h; Title compound not separated from byproducts; |
1-acetoxy-3,7-dimethyl-8-(tetrahydropyran-2-yl)oxy-9-phenylsulfonyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2(E),6(E)-nonadiene
B
11-cis-retinol
C
RETINOL
Conditions | Yield |
---|---|
With potassium methanolate In cyclohexane at 38℃; for 2h; |
Conditions | Yield |
---|---|
In hexane at 35℃; for 1h; Solvent; Temperature; | 99.5% |
In hexane at 35℃; for 1h; | 99.5% |
With triethylamine In hexane at 25℃; for 24h; Inert atmosphere; Darkness; | 76% |
Conditions | Yield |
---|---|
In toluene at 35℃; for 1h; | 99% |
With pyridine In 1,2-dichloro-ethane |
Conditions | Yield |
---|---|
With aluminum oxide In Petroleum ether at 40℃; for 2h; | 98.73% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In cyclohexane at 70℃; for 2h; | 98% |
Conditions | Yield |
---|---|
With aluminum oxide In Petroleum ether at 40℃; for 2h; Solvent; | 97.62% |
Conditions | Yield |
---|---|
With aluminum oxide In Petroleum ether at 40℃; for 2h; | 97.48% |
Conditions | Yield |
---|---|
With aluminum oxide In Petroleum ether at 40℃; for 2h; | 97.09% |
Conditions | Yield |
---|---|
With aluminum oxide In Petroleum ether at 40℃; for 2h; | 97.01% |
Conditions | Yield |
---|---|
Novozym 435 In toluene at 20℃; for 26h; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
With aluminum oxide In Petroleum ether at 40℃; for 2h; | 96.85% |
Conditions | Yield |
---|---|
With aluminum oxide In Petroleum ether at 40℃; for 2h; | 96.73% |
Conditions | Yield |
---|---|
at 60℃; under 0.750075 Torr; for 3h; Temperature; Large scale; | 94% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane | 92% |
Conditions | Yield |
---|---|
With tris(triphenylphosphine)ruthenium(II) chloride; oxygen; bis-(3-methyl-1-imidazolyl)ethylene tetrafluoroborate In hexane at 50℃; under 760.051 Torr; for 3h; Reagent/catalyst; Darkness; | 90.2% |
Multi-step reaction with 2 steps 1: MnO2 / CH2Cl2 / 2 h / Ambient temperature 2: 80 percent / AgO, NaCN / methanol / 18 h / Ambient temperature View Scheme | |
Multi-step reaction with 2 steps 1: 90 percent / MnO2 / CH2Cl2 / Ambient temperature 2: AgO / CNNa / methanol View Scheme |
Conditions | Yield |
---|---|
With manganese(IV) oxide In dichloromethane Ambient temperature; | 90% |
With manganese(IV) oxide; sodium carbonate In dichloromethane for 4h; Inert atmosphere; | 90% |
With manganese(IV) oxide | 90% |
4-Phenyl-1,2,4-triazolidine-3,5-dione
RETINOL
5-Hydroxymethyl-6-methyl-8-[(1E,3E)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-2-phenyl-5,8-dihydro-[1,2,4]triazolo[1,2-a]pyridazine-1,3-dione
Conditions | Yield |
---|---|
In dichloromethane at -78℃; | 90% |
RETINOL
4-<2-(6,7-dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalyl)ethyl>-1,2,4-triazoline-3,5-dione
2-[2-(6,7-Dimethoxy-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-ethyl]-5-hydroxymethyl-6-methyl-8-[(1E,3E)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-5,8-dihydro-[1,2,4]triazolo[1,2-a]pyridazine-1,3-dione
Conditions | Yield |
---|---|
In dichloromethane at -78℃; | 90% |
In dichloromethane at 0℃; for 1h; |
Conditions | Yield |
---|---|
With manganese(IV) oxide In dichloromethane for 12h; Inert atmosphere; Fluorescence light; | A 8% B 90% |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In Petroleum ether at 50℃; | 89% |
With dicyclohexyl-carbodiimide In Petroleum ether at 50℃; | 89% |
With dicyclohexyl-carbodiimide In Petroleum ether at 50℃; | 89% |
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane for 12h; Ambient temperature; | 88% |
With dmap In dichloromethane at 20℃; | 85% |
With dmap; triethylamine In dichloromethane at 20℃; for 12h; | 3.4 g |
With 1-pentyl-3-methylimidazolium nitrate at 50℃; for 3h; Darkness; Inert atmosphere; Green chemistry; |
RETINOL
pivalaldehyde
A
2,2-dimethyl-propanol-1
B
all-trans-Retinal
Conditions | Yield |
---|---|
With aluminum isopropoxide In water | A n/a B 87% |
With aluminum isopropoxide In water |
2,2-dimethyl-4-pentenal
RETINOL
A
2,2-dimethylpent-4-en-1-ol
B
all-trans-Retinal
Conditions | Yield |
---|---|
With aluminum isopropoxide In water | A n/a B 87% |
Conditions | Yield |
---|---|
In methanol at 20℃; for 1h; | 86% |
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