DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:621-76-1
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryhe 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 se T rvice Appeara
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
Cas:621-76-1
Min.Order:1
Negotiable
Type:Other
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
Cas:621-76-1
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:621-76-1
Min.Order:1 Kilogram
FOB Price: $15.0 / 50.0
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
Cas:621-76-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
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:621-76-1
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryTripropyl orthoformate CAS:621-76-1 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 int
Cas:621-76-1
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
Cas:621-76-1
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:621-76-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
superior quality moderate price & quick delivery Appearance:clear colorless liquid 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 m
Cas:621-76-1
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:621-76-1
Min.Order:0 Metric Ton
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:621-76-1
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:621-76-1
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
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:621-76-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh 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
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
1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
Cas:621-76-1
Min.Order:0
Negotiable
Type:Other
inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
Boiling point 106-108 °C40 mm Hg(lit.) density 0.883 g/mL at 25 °C(lit.) refractive index n20/D 1.407(lit.) Fp 162 °F form
Appearance:Powder Storage:1MT Package:Aluminium Foil Bag and Paper Drum Transportation:By Sea/Air/DHL
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
Cas:621-76-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:clear liquid Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as primary a
Tripropyl orthoformate cas 621-76-1Appearance: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 Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:621-76-1
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
Stage #1: hydrogen cyanide With hydrogenchloride In propan-1-ol; mineral oil at -5 - 25℃; for 2.75h; Large scale; Stage #2: propan-1-ol In mineral oil at 30 - 55℃; for 5h; Large scale; | 85.2% |
Conditions | Yield |
---|---|
With sodium hydroxide; 1,8-bis(pyperidin-1-yl)-1,6-dioxaoctane In dichloromethane | 53% |
With sodium |
propan-1-ol
4-(Methoxymethylene)-morpholinium methyl sulfate
tripropyl orthoformate
Conditions | Yield |
---|---|
With propyl methanoate 1) 16h, 2) 4h, 40 deg C; | 11.2% |
Conditions | Yield |
---|---|
With sulfuric acid unter Entfernen des entstehenden Aethanols; |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid Heating; |
Conditions | Yield |
---|---|
Stage #1: 1-Butylimidazole With tetrafluoroboric acid In water at 0℃; Stage #2: tripropyl orthoformate at 130℃; for 28h; Inert atmosphere; | 93% |
Conditions | Yield |
---|---|
With sulfuric acid In isopropyl alcohol at 50℃; | 92% |
tripropyl orthoformate
N-(5-aminothiophene-2-carbonyl)-L-glutamic acid diethyl ester
Conditions | Yield |
---|---|
at 80℃; for 2h; | 92% |
4,5-dicyano-1H-imidazole
tripropyl orthoformate
1-Propyl-1H-imidazole-4,5-dicarbonitrile
Conditions | Yield |
---|---|
1) 1 h, 105 deg C ) 3 h, 135 deg C; | 86% |
tripropyl orthoformate
(2E)-3-phenyl-2-propen-1-ol
3-phenyl-(E)-2-propenyl n-propyl ether
Conditions | Yield |
---|---|
With iodine at 20℃; for 0.5h; | 85% |
tripropyl orthoformate
Methyl 4-chloroacetoacetate
Conditions | Yield |
---|---|
Stage #1: tripropyl orthoformate; Methyl 4-chloroacetoacetate With sulfuric acid at 20℃; for 72h; Stage #2: With phosphorus pentoxide In chloroform for 2h; Reflux; | 79% |
tripropyl orthoformate
isobutyl 4-chloroacetoacetate
Conditions | Yield |
---|---|
Stage #1: tripropyl orthoformate; isobutyl 4-chloroacetoacetate With sulfuric acid at 20℃; for 42h; Stage #2: With phosphorus pentoxide In chloroform for 2h; Reflux; | 79% |
tripropyl orthoformate
toluene-4-sulfonic acid
triphenylphosphine
triphenyl(propyl)phosphonium 4-methylbenzenesulfonate
Conditions | Yield |
---|---|
at 130℃; for 68h; Sealed tube; | 77% |
at 130℃; for 68h; | 76% |
Methylenediphosphonic acid
tripropyl orthoformate
Methandiphosphonsaeuretetrapropylester
Conditions | Yield |
---|---|
76% |
Conditions | Yield |
---|---|
Stage #1: tripropyl orthoformate; ethyl (2-chloroaceto)acetate With sulfuric acid at 20℃; for 72h; Stage #2: With phosphorus pentoxide In chloroform for 2h; Reflux; | 74% |
Conditions | Yield |
---|---|
Stage #1: Tetrahydro-4H-pyran-4-one; tripropyl orthoformate; amberlyst-15 In chlorobenzene at 5 - 20℃; for 16h; Stage #2: In chlorobenzene at 85 - 125℃; for 16h; | 73% |
Conditions | Yield |
---|---|
With Amberlyst 15 In toluene for 4h; Inert atmosphere; Molecular sieve; Reflux; | 73% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid at 120℃; for 16h; | 70% |
With sulfuric acid |
tripropyl orthoformate
Conditions | Yield |
---|---|
at 100℃; for 2h; | 68.6% |
Conditions | Yield |
---|---|
With tetrafluoroboric acid diethyl ether complex at 150℃; for 24h; Schlenk technique; | 64% |
Conditions | Yield |
---|---|
With Amberlyst 15 In toluene for 4h; Inert atmosphere; Molecular sieve; Reflux; | 63% |
tripropyl orthoformate
Conditions | Yield |
---|---|
Stage #1: tripropyl orthoformate; methallyl 4-chloroacetoacetate With sulfuric acid at 20℃; for 42h; Stage #2: With phosphorus pentoxide In chloroform for 2h; Reflux; | 63% |
4-aminopyridine
tripropyl orthoformate
phosphonic acid diethyl ester
C8H14N2O6P2
Conditions | Yield |
---|---|
Stage #1: 4-aminopyridine; tripropyl orthoformate; phosphonic acid diethyl ester for 12h; Reflux; Stage #2: With hydrogenchloride; water for 8h; Reflux; | 61% |
Conditions | Yield |
---|---|
Stage #1: di-n-butylphosphine With n-butyllithium In tetrahydrofuran; pentane at -30℃; Stage #2: tripropyl orthoformate With boron trifluoride diethyl etherate In diethyl ether at -30℃; | 61% |
tripropyl orthoformate
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate; hypophosphorous acid for 3h; Ambient temperature; | 60% |
tripropyl orthoformate
1,1,1,3,3,3-hexamethyl-disilazane
O-propyl-O-trimethylsilyl-(dipropoxymethyl) phosphonite
Conditions | Yield |
---|---|
Stage #1: tripropyl orthoformate With hypophosphorous acid; toluene-4-sulfonic acid at 20 - 35℃; under 1 Torr; Stage #2: 1,1,1,3,3,3-hexamethyl-disilazane Reflux; | 60% |
With hypophosphorous acid; toluene-4-sulfonic acid 1) r.t., 3 h, 2) 80-100 deg C; Yield given. Multistep reaction; |
tripropyl orthoformate
di-n-propylphosphine
Conditions | Yield |
---|---|
Stage #1: di-n-propylphosphine With n-butyllithium In tetrahydrofuran; pentane at -30℃; Stage #2: tripropyl orthoformate With boron trifluoride diethyl etherate In diethyl ether at -30℃; | 59% |
Conditions | Yield |
---|---|
With Amberlyst 15 In toluene for 4h; Inert atmosphere; Molecular sieve; Reflux; | 53% |
tripropyl orthoformate
(Z)-2-Amino-3-{[5-oxo-2-phenyl-oxazol-(4Z)-ylidenemethyl]-amino}-but-2-enedinitrile
Conditions | Yield |
---|---|
for 8h; Heating; | 52% |
tripropyl orthoformate
3-Phenylpropenol
3-phenyl-(E)-2-propenyl n-propyl ether
Conditions | Yield |
---|---|
With Montmorillonite KSF for 12h; Ambient temperature; | 51% |
tripropyl orthoformate
(2E)-3-phenyl-2-propen-1-ol
A
3-phenyl-(E)-2-propenyl n-propyl ether
B
((1E,1'E)-oxybis(prop-1-ene-3,1-diyl))dibenzene
Conditions | Yield |
---|---|
Montmorillonite KSF at 20℃; for 12h; | A 51% B 10% |
Conditions | Yield |
---|---|
With iron(III) chloride; sodium hydrogencarbonate 1) 2 h, reflux; 2) 20 deg C, 2 h; | 50% |
tripropyl orthoformate
N,N'-Di(4-methylphenyl)oxalamidine
Conditions | Yield |
---|---|
at 120℃; for 10h; | 41% |
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