CAS No.81-81-2,Warfarin Suppliers,MSDS download

Xi'an Xszo Chem Co., Ltd.

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

Factory Price API 99% Warfarin 81-81-2 GMP Manufacturer

Cas:81-81-2

Min.Order:1 Gram

FOB Price: $0.1

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Hubei DiBo chemical co., LTD

Name:warfarin CAS：81-81-2 Grade:For chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability Product

Chinese Warfarin supplier/suppliers manufacturer factory

Cas:81-81-2

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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Zhuozhou Wenxi import and Export Co., Ltd

WITH 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

New production CAS 81-81-2 with best quality

Cas:81-81-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

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Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Warfarin

Cas:81-81-2

Min.Order:1 Milligram

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Siwei Development Group Ltd.

Product name: Warfarin CAS No.: 81-81-2 Molecule Formula：C19H16O4 Molecule Weight：308.33 Purity: 98.0% Package: 25kg/drum Description：White crystals or white crystalline powder Manufacture Standards：Enterprise Standard

Lower Price Warfarin

Cas:81-81-2

Min.Order:1 Kilogram

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Enke Pharma-tech Co.,Ltd. （Cangzhou, China ）

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, intermediat

Warfarin

Cas:81-81-2

Min.Order:1 Kilogram

FOB Price: $777.0 / 888.0

Type:Lab/Research institutions

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Hunan Russell Chemicals Technology Co.,Ltd

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

Warfarin 81-81-2

Cas:81-81-2

Min.Order:0

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Antimex Chemical Limied

Our own factory produces direct sales with absolute price advantage Application:Pharmaceutical industry Transportation:By sea Port:Shanghai/tianjin

2H-1-Benzopyran-2-one,4-hydroxy-3-(3-oxo-1-phenylbutyl)-

Cas:81-81-2

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Guangdong Juda Chemical Industrial Co.,Limited

Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

warfarin CAS No.81-81-2

Cas:81-81-2

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Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

81-81-2

Cas:81-81-2

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Shenzhen Foris Technology Co. LTD

Warfarin 81-81-2

Cas:81-81-2

Min.Order:0

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LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

Warfarin

Cas:81-81-2

Min.Order:0

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Hangzhou KieRay Chem Co.,Ltd.

Hangzhou KieRaychem Co.,Ltd.is located in Yuhang District of Hangzhou City and specialized in the chemical product customization, development, sales, import and export. Current business is focused on fine chemicals, pharmaceutical materials and inter

Warfarin

Cas:81-81-2

Min.Order:1 Gram

FOB Price: $2.0

Type:Lab/Research institutions

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Pure Chemistry Scientific Inc.

Warfarin Application:80010283

Warfarin

Cas:81-81-2

Min.Order:1 Gram

FOB Price: $500.0

Type:Trading Company

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Shenzhen Sumshine Biotech Co., Ltd.

1. Our staff are all biomedical related majors with rich experience in the pharmaceutical industry, and can provide you with more professional services.2. Our supplier has a good quality management system, and the quality of products is reliable and

Warfarin

Cas:81-81-2

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Synthetic route

: 1076-38-6
4-hydroxy[1]benzopyran-2-one

: 122-57-6
1-Phenylbut-1-en-3-one

Conditions

Conditions	Yield
With C23H24N2O6S*Li(1+) In tetrahydrofuran; dimethyl sulfoxide at 0℃; for 48h; Reagent/catalyst; Michael Addition;	99%
With lipase In water at 50℃; for 168h; Temperature; Michael Addition; Enzymatic reaction;	99.1%
With N-ethyl-N,N-diisopropylamine In water for 20h; Michael Addition; Reflux;	93%

: 81-81-2
warfarin

Conditions

Conditions	Yield
With polystyrene-divinylbenzene support prepared cyclohexanol as porogen with immobilized 1,5,7-triazabicyclo[4.4.0]dec-5-ene at 100℃; for 96h; Reagent/catalyst; Solvent; Temperature; Time; Michael Addition; Green chemistry;	96%
With L-proline In dimethyl sulfoxide at 20℃; for 15h; Michael addition;	85%
With rac-Pro-OH In dimethyl sulfoxide at 20℃; for 24h;	80%
With cetyltrimethylammonim bromide; 1,4-dihydropyridine-enolate In water at 20℃; for 10h; Michael addition;	50%

: 1076-38-6
4-hydroxy[1]benzopyran-2-one

: 60-12-8
2-phenylethanol

: 516-06-3
D,L-valine

: 81-81-2
warfarin

Conditions

Conditions	Yield
In dimethyl sulfoxide at 20℃; for 16h;	84%

...Expand

: 1076-38-6
4-hydroxy[1]benzopyran-2-one

: 5381-93-1, 86734-67-0, 86734-69-2, 127707-68-0
1-hydroxy-1-phenyl-3-butanone

: 81-81-2
warfarin

Conditions

Conditions	Yield
With cyclopentene In chlorobenzene; toluene at 100℃; for 8h; Inert atmosphere; regioselective reaction;	83%

: 86795-49-5
3-(phenyl-λ3-iodanylidene)chromane-2,4-dione

: 1896-62-4
(E)-benzalacetone

: 81-81-2
warfarin

Conditions

Conditions	Yield
In acetonitrile at 80℃; for 12h;	76%

: 38063-51-3
(+/-)-Warfarin 4-methyl ether

: 81-81-2
warfarin

Conditions

Conditions	Yield
With boron tribromide In dichloromethane -78 up to 0 deg C;

: 102077-97-4
2-methoxywarfarin

: 81-81-2
warfarin

Conditions

Conditions	Yield
With boron tribromide In dichloromethane -78 up to 0 deg C;

: 1076-38-6
4-hydroxy[1]benzopyran-2-one

: 7732-18-5
water

: 1896-62-4
(E)-benzalacetone

: 81-81-2
warfarin

...Expand

: 1076-38-6
4-hydroxy[1]benzopyran-2-one

: 116-11-0
2-Methoxypropene

: 100-52-7
benzaldehyde

: 81-81-2
warfarin

Conditions

Conditions	Yield
Stage #1: 4-hydroxy[1]benzopyran-2-one; 2-Methoxypropene; benzaldehyde With ethylenediamine diacetic acid In 1,4-dioxane at 90℃; for 4h; tandem Knoevenagel-hetero-Diels-Alder reaction; Stage #2: With hydrogenchloride; silica gel In water; trifluoroacetic acid at 20℃;

...Expand

quat-ammonium salt: quat-ammonium salt

: 1896-62-4
(E)-benzalacetone

: 81-81-2
warfarin

Conditions

Conditions	Yield
In water

: 100-52-7
benzaldehyde

: 81-81-2
warfarin

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 1-n-butyl-3-methylimidazolim bromide; bovine serum albumin; tetrabutylammomium bromide / 4 h / 60 °C / Inert atmosphere; Enzymatic reaction 2: 48 h View Scheme
Multi-step reaction with 2 steps 1: sodium hydroxide / water / Microwave irradiation 2: N-ethyl-N,N-diisopropylamine / water / 20 h / Reflux View Scheme
Multi-step reaction with 2 steps 1: Fe3O4(at)L-proline/Pd2 NCs / 24 h / 70 °C / Sealed tube 2: water / 12 h / 100 °C View Scheme

: 81-81-2
warfarin

: 14602-86-9
(1R,2S,5R)-menthyl chloroformate

: Carbonic acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester 2-oxo-3-(3-oxo-1-phenyl-butyl)-2H-chromen-4-yl ester

Conditions

Conditions	Yield
With TEA In 1,2-dichloro-ethane for 0.5h; Ambient temperature;	100%

: 81-81-2
warfarin

: 593-56-6
N-methoxylamine hydrochloride

: 1103877-12-8
4-hydroxy-3-(3-(methoxyimino)-1-phenylbutyl)-2H-1-benzopyran-2-one

Conditions

Conditions	Yield
With pyridine In methanol at 20℃; for 18h;	99%

: 81-81-2
warfarin

A: 67588-18-5
dehydrowarfarin

B: C18H12O3

Conditions

Conditions	Yield
With copper(l) iodide In pyridine at 55 - 60℃; for 5h; air;	A 98% B n/a

: 81-81-2
warfarin

: 19493-09-5
Methylenetriphenylphosphorane

: 92824-18-5
4-hydroxy-3-(3-methyl-1-phenyl-3-butenyl)-2H-1-benzopyran-2-one

Conditions

Conditions	Yield
In tetrahydrofuran; dimethyl sulfoxide	95%
In tetrahydrofuran; dimethyl sulfoxide	65%

: 81-81-2
warfarin

: 99-61-6
3-nitro-benzaldehyde

: 1189759-41-8
4-hydroxy-3-[5-(3-nitro-phenyl)-3-oxo-1-phenyl-pent-4-enyl]-chromen-2-one

Conditions

Conditions	Yield
With sodium hydroxide In water at 20℃;	95%

: 81-81-2
warfarin

: 104-88-1
4-chlorobenzaldehyde

: 1189759-36-1
4-hydroxy-3-[5-(4-chloro-phenyl)-3-oxo-1-phenyl-pent-4-enyl]-chromen-2-one

Conditions

Conditions	Yield
With sodium hydroxide In water at 20℃;	93%

: 81-81-2
warfarin

: 89-98-5
2-chloro-benzaldehyde

: 1189759-37-2
4-hydroxy-3-[5-(2-chloro-phenyl)-3-oxo-1-phenyl-pent-4-enyl]-chromen-2-one

Conditions

Conditions	Yield
With sodium hydroxide In water at 20℃;	93%

: 81-81-2
warfarin

: 555-16-8
4-nitrobenzaldehdye

: 1189759-40-7
4-hydroxy-3-[5-(4-nitro-phenyl)-3-oxo-1-phenyl-pent-4-enyl]-chromen-2-one

Conditions

Conditions	Yield
With sodium hydroxide In water at 20℃;	93%

: 81-81-2
warfarin

: 910618-41-6
3-fluoro-3-(1-phenyl-3-oxobutyl)-2H-benzopyran-2,4-dione

Conditions

Conditions	Yield
With N-fluorobis<(trifluoromethyl)sulfonyl>imide In chloroform; water at 35℃; for 0.25h;	92%

poly(ethylene glycol), MW=2000, activated to carboxylic groups by succinic anhydride: poly(ethylene glycol), MW=2000, activated to carboxylic groups by succinic anhydride

: 81-81-2
warfarin

A warfarin conjugated with poly(ethylene glycol), MW=2000: warfarin conjugated with poly(ethylene glycol), MW=2000

B: 2387-23-7
1,3-Dicyclohexylurea

Conditions

Conditions	Yield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 5h;	A 85% B n/a

...Expand

: 98-01-1
furfural

: 81-81-2
warfarin

: 1253372-65-4
4-hydroxy-3-(5-furan-2-yl-3-oxo-1-phenyl-pent-4-enyl)-chromen-2-one

Conditions

Conditions	Yield
With sodium hydroxide In water at 20℃;	85%

: 81-81-2
warfarin

: 100-52-7
benzaldehyde

: 1189759-35-0
4-hydroxy-3-(3-oxo-1,5-diphenyl-pent-4-enyl)-chromen-2-one

Conditions

Conditions	Yield
With sodium hydroxide In water at 20℃;	85%

: 81-81-2
warfarin

: 123-11-5
4-methoxy-benzaldehyde

: 1189759-38-3
4-hydroxy-3-[5-(4-methoxy-phenyl)-3-oxo-1-phenyl-pent-4-enyl]-chromen-2-one

Conditions

Conditions	Yield
With sodium hydroxide In water at 20℃;	85%

: 81-81-2
warfarin

: 2610-86-8
potassium warfarin

Conditions

Conditions	Yield
With pyrographite; potassium hydroxide In water; isopropyl alcohol at 75℃; for 8h; pH=7.8 - 8; Product distribution / selectivity; Inert atmosphere;	81%

: 81-81-2
warfarin

: Warfarin-oxim

Conditions

Conditions	Yield
With pyridine; sodium hydroxide; hydroxylamine hydrochloride In ethanol 1) 12 h, 2) reflux, 6 h;	77%

: 81-81-2
warfarin

: 10049-16-8
vanadium(IV) fluoride

: difluorovanadium(IV)di(4-oxo-3-(oxo-1-phenylbutyl)2H-1-benzopyran-2-one)

Conditions

Conditions	Yield
In methanol methanolic soln. of VF4 added to methanolic soln. of C19H16O4 dropwise with stirring, mixt. had pH 3, refluxed for 2 h, kept overnight with stirring at room temp.; solvent removed on a rotary apparatus under reduced pressure; recrystn. (MeOH/n-hexane, 1/1); elem. anal., detd. by thermal anal.;	77%

: 81-81-2
warfarin

: 37149-18-1
1-oxyl-4-carboxyl-2,2,6,6-tetramethylpiperidine

: 2-oxo-3-[(RS)-3-oxo-1-phenylbutyl]-2H-chromen-4-yl 2,2,6,6-tetramethylpiperidine-1-oxyl-4-carboxylate

Conditions

Conditions	Yield
With dmap; dicyclohexyl-carbodiimide In dichloromethane; N,N-dimethyl-formamide at 0 - 20℃; for 26h; Inert atmosphere;	75%

: 81-81-2
warfarin

: 108-24-7
acetic anhydride

: 5979-00-0
4-acetoxy-3-(3-oxo-1-phenylbutyl)-2H-1-benzopyran-2-one

Conditions

Conditions	Yield
for 1h; Heating;	71.4%

: 81-81-2
warfarin

: 100-52-7
benzaldehyde

: 74-89-5
methylamine

: [3',4':5,6]pyrano[3,2-c]pyridine-6(7H)-one

Conditions

Conditions	Yield
In ethanol; water Heating; stereoselective reaction;	68%

...Expand

: 81-81-2
warfarin

: 5437-45-6
Benzyl bromoacetate

: C28H24O6

Conditions

Conditions	Yield
In acetone at 45℃; for 48h;	65%

: 81-81-2
warfarin

: 358-23-6
trifluoromethylsulfonic anhydride

: 929551-51-9
trifluoro-methanesulfonic acid 2-oxo-3-(3-oxo-1-phenyl-butyl)-2H-chromen-4-yl ester

Conditions

Conditions	Yield
With triethylamine In chloroform at -5 - 25℃;	62%

: 81-81-2
warfarin

: 823-96-1
Trimethylboroxine

: C20H18O4

Conditions

Conditions	Yield
With pentamethylcyclopentadienyl(benzene)cobalt(III) hexafluorophosphate; potassium carbonate; silver carbonate In 2-methyltetrahydrofuran at 60℃; for 16h; Inert atmosphere; Sealed tube;	56%

: 67-56-1
methanol

: 81-81-2
warfarin

: 518-20-7, 54288-87-8, 54288-88-9, 64753-99-7, 64754-00-3, 64754-01-4, 65207-43-4, 94902-10-0
2-methoxy-2-methyl-4-phenyl-3,4-dihydropyrano[3,2-c]chromen-5(2H)-one

: 2-methoxy-2-methyl-4-phenyl-3,4-dihydro-2H-pyrano[3,2-c]chromen-5-one

Conditions

Conditions	Yield
With hydrogenchloride for 23h; Reflux;	A 53% B 9%

...Expand

: 81-81-2
warfarin

: 100-39-0
benzyl bromide

: C26H22O4

Conditions

Conditions	Yield
With potassium carbonate In acetone at 25℃; for 24h;	38%

: 81-81-2
warfarin

: 24579-14-4
4'-Hydroxywarfarin

Conditions

Conditions	Yield
With culture of Cunninghamella bainieri In water for 144h; Product distribution; Ph7 phosphate buffer; metabolism of warfarin to 4'-hydroxywarfarin using the fungus Cunninghamella bainiery, possible mechanism of aromatic hydroxylation, primary isotope effect; inhibition of hydroxylation by CO;	2 mg

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Xi'an Xszo Chem Co., Ltd.

Hubei DiBo chemical co., LTD

Zhuozhou Wenxi import and Export Co., Ltd

Xiamen Jenny Chemical Technology Co., Ltd.

Siwei Development Group Ltd.

Enke Pharma-tech Co.,Ltd. （Cangzhou, China ）

Hunan Russell Chemicals Technology Co.,Ltd

Antimex Chemical Limied

Guangdong Juda Chemical Industrial Co.,Limited

Shanghai Chinqesen Biotechnology Co., Ltd.

Shenzhen Foris Technology Co. LTD

LEAP CHEM Co., Ltd.

Hangzhou KieRay Chem Co.,Ltd.

Pure Chemistry Scientific Inc.

Shenzhen Sumshine Biotech Co., Ltd.

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