Molecular Formula C5H3Br2N Molar Mass 236.89 Density 2.0383 (rough estimate) Melting Point 92-95 °C (lit.) Boling Point 235 °C / 772mmHg Flash Point 62℃ Water So
Cas:624-28-2
Min.Order:1 Metric Ton
Negotiable
Type:Other
inquiryLocated in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and
ProName: 2,5-Dibromopyridine CasNo: 624-28-2 Appearance: Off-white crystals Application: Important fine chemical material DeliveryTime: In stock PackAge: 25kg per drum Port: Shanghai ProductionCapacity: 5000 Kilogram/
Cas:624-28-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:624-28-2
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White powder Storage:Cool dry place Package:1kg/foill bag;25kg/drum Application:pharmaceut
Cas:624-28-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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:W
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:624-28-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for the fine c
Cas:624-28-2
Min.Order:1 Kilogram
FOB Price: $10.0 / 11.0
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
Cas:624-28-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryHebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car
Cas:624-28-2
Min.Order:1 Metric Ton
FOB Price: $1.0 / 2.0
Type:Trading Company
inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/1973.html Product Name 2,5-Dibromopyridine CAS No. 624-28-2
Cas:624-28-2
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiry2,5-Dibromopyridine Basic information Product Name: 2,5-Dibromopyridine Synonyms: PYRIDINE, 2,5-DIBROMO-;2,5-DIBROMOPYRIDINE;Dibromopyridine;2,5-Dibromopyridine, 97+%;2,5-dibromopyri
Cas:624-28-2
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:624-28-2
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Trading Company
inquiryName: 2,5-Dibromopyridine CAS:624-28-2 MF: C5H3Br2N Appearance:White Powder Storage:Store in cool and dry place, away from sun light. Package:25KG Application:APIs Transportation:By sea or by air Port:Qingdao Port
Cas:624-28-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Other
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:624-28-2
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
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:624-28-2
Min.Order:1 Kilogram
FOB Price: $20.0 / 30.0
Type:Trading Company
inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:powder Storage:Store in sealed containers at cool & dry plac
Cas:624-28-2
Min.Order:100 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
Cas:624-28-2
Min.Order:1 Kilogram
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 prese
Cas:624-28-2
Min.Order:1 Kilogram
FOB Price: $41.4 / 48.6
Type:Trading Company
inquiry2,5-Dibromopyridine CAS: 624-28-2 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 interm
Cas:624-28-2
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:624-28-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:624-28-2
Min.Order:10 Gram
Negotiable
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
Henan 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
Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Appearance:white or yellowish white flaky crystal Storage:Keep the sun from direct sunlight ;prevention against high temperature Package:As customer request Application:Used for research and industrial manufacture. Transportatio
Cas:624-28-2
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
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:624-28-2
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
5-bromopyridin-2-ol
2,5-dibromopyridine
Conditions | Yield |
---|---|
With triphenylborane; phosphorus tribromide In 1,2-dichloro-ethane for 10h; Reagent/catalyst; Solvent; Inert atmosphere; Reflux; | 88.7% |
With phosphorus(V) oxybromide In acetonitrile at 80℃; for 21h; Reagent/catalyst; Temperature; | 470 mg |
Conditions | Yield |
---|---|
Stage #1: 5-bromo-2-pyridylamine With hydrogen bromide; bromine In water at 0 - 20℃; for 0.166667h; Stage #2: With sodium nitrite In water at 0 - 5℃; for 0.5h; | 87% |
With tert.-butylnitrite; trimethylbenzylammonium bromide; 1,2-dibromomethane at 20℃; | 83% |
With tert.-butylnitrite; trimethylbenzylammonium bromide In 1,2-dibromomethane at 20℃; | 83% |
Conditions | Yield |
---|---|
With bromine at 300℃; Leiten ueber mit Eisen(II)-bromid impraegnierten Bimsstein; |
Conditions | Yield |
---|---|
With bromine at 500℃; Leiten ueber Bimsstein; |
Conditions | Yield |
---|---|
at 140 - 150℃; |
2,5-dibromopyridine
Conditions | Yield |
---|---|
With hydrogen bromide |
Conditions | Yield |
---|---|
With phosphorus pentabromide; phosphorus(V) oxybromide at 120 - 130℃; | |
With phosphorus pentabromide at 140 - 150℃; |
3-Bromopyridine
bromine
A
2,5-dibromopyridine
B
2,3,6-tribromopyridine
Conditions | Yield |
---|---|
at 500℃; |
2-bromo-pyridine
bromine
A
2,5-dibromopyridine
B
2,3,5-tribromopyridine
Conditions | Yield |
---|---|
at 300℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: ethanol; bromine / <20 2: bromine; aqueous hydrobromic acid / anschliessend Behandeln mit wss. Natriumnitrit-Loesung unterhalb von 0grad View Scheme | |
Multi-step reaction with 2 steps 1: N-Bromosuccinimide; ammonium acetate / acetonitrile / 0.08 h / 20 °C 2: tert.-butylnitrite; trimethylbenzylammonium bromide; 1,2-dibromomethane / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: N-Bromosuccinimide; ammonium acetate / acetonitrile / 0.08 h / 20 °C 2: tert.-butylnitrite; trimethylbenzylammonium bromide / 1,2-dibromomethane / 20 °C View Scheme |
6-hydroxy-4-methoxymethyl-β-carboline-3-carboxylic acid ethyl ester
A
2,5-dibromopyridine
B
6-(5-bromo-2-pyridyloxy)-4-methoxymethyl-β-carboline-3-carboxylic acid ethyl ester
(2-hydroxyethyl)(methyl)amine
2,5-dibromopyridine
2-[(5-bromopyridin-2-yl)methylamino]ethanol
Conditions | Yield |
---|---|
at 150℃; for 18h; | 100% |
potassium fluoride on basic alumina for 0.25h; microwave irradiation; | 86% |
2,5-dibromopyridine
3-bromo-6-(trimethylsilylethynyl)pyridine
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride for 12h; Heating; | 100% |
Conditions | Yield |
---|---|
With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; 1,1'-bis-(diphenylphosphino)ferrocene In 1,2-dimethoxyethane; n-heptane at 85℃; for 1h; | 100% |
2,5-dibromopyridine
dimethyl-pyrrolidin-3-yl-amine
[1-(5-bromo-pyridin-2-yl)-pyrrolidin-3-yl]-dimethyl-amine
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 250℃; for 0.5h; Microwave irradiation; | 100% |
With toluene-4-sulfonic acid In water at 140℃; for 14h; | 96% |
With toluene-4-sulfonic acid at 130℃; |
2,5-dibromopyridine
3,4-dichlorophenol
5-bromo-2-(3,4-dichloro-phenoxy)-pyridine
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 18h; | 100% |
2,5-dibromopyridine
(tert-butyldimethylsilyl)acetylene
2-(tert-butyldimethylsilylethynyl)-5-bromopyridine
Conditions | Yield |
---|---|
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran at -7 - 20℃; for 4h; | 100% |
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; N,N`-dimethylethylenediamine In tetrahydrofuran at -7 - 20℃; for 4h; | 100% |
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran at -7 - 20℃; for 4h; | 100% |
2,5-dibromopyridine
cyclopropylzinc chloride
3-bromo-6-(cyclopropyl)pyridine
Conditions | Yield |
---|---|
tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 70℃; for 3h; | 100% |
tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 70℃; for 1.5h; |
2,5-dibromopyridine
(3,3-dimethylbut-1-yn-1-yl)dimethylsilane
2-(tert-butyldimethylsilylethynyl)-5-bromopyridine
Conditions | Yield |
---|---|
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In tetrahydrofuran at -7 - 20℃; for 4h; | 100% |
2,5-dibromopyridine
N,N-dimethyl acetamide
1-(5-bromopyridin-2-yl)ethanone
Conditions | Yield |
---|---|
With n-butyllithium In hexane; toluene at -40 - 20℃; for 2h; Inert atmosphere; | 100% |
Stage #1: 2,5-dibromopyridine With n-butyllithium In hexane; toluene at -40℃; for 0.666667h; Stage #2: N,N-dimethyl acetamide In hexane; toluene at 20℃; for 1h; Further stages.; | 83% |
Stage #1: 2,5-dibromopyridine With n-butyllithium In toluene Inert atmosphere; Stage #2: N,N-dimethyl acetamide In toluene Inert atmosphere; | 83% |
Conditions | Yield |
---|---|
In ethanol at 80℃; for 24h; | 100% |
In ethanol at 80℃; for 72h; | 1.20 g |
In methanol Autoclave; Large scale; |
2,5-dibromopyridine
1-tert-butoxycarbonyl-4-cyanopiperidine
tert-butyl 4-(5-bromopyridin-2-yl)-4-cyanopiperidine-1-carboxylate
Conditions | Yield |
---|---|
With lithium hexamethyldisilazane In toluene at 20℃; for 16h; Inert atmosphere; | 100% |
2,5-dibromopyridine
3-fluorophenol
5-bromo-2-(3-fluorophenoxy)pyridine
Conditions | Yield |
---|---|
Stage #1: 3-fluorophenol With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.166667h; Stage #2: 2,5-dibromopyridine In N,N-dimethyl-formamide at 0 - 110℃; for 7.75h; | 100% |
With potassium carbonate In N,N-dimethyl-formamide for 12h; Reflux; Large scale; | 85% |
Conditions | Yield |
---|---|
With 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate; tris(dibenzylideneacetone)dipalladium (0) In toluene at 100℃; for 3h; | 99% |
at 120℃; for 1.66667h; microwave; | 99.7% |
With potassium fluoride on basic alumina; dichlorobis(tri-O-tolylphosphine)palladium at 90 - 100℃; for 5h; | 92% |
Conditions | Yield |
---|---|
With dibenzo-18-crown-6 In toluene for 3h; Heating; | 99% |
Stage #1: benzyl alcohol With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 0.5h; Cooling with ice; Stage #2: 2,5-dibromopyridine In N,N-dimethyl-formamide; mineral oil for 5h; Stage #3: With acetic acid In N,N-dimethyl-formamide; mineral oil at 0℃; for 0.5h; | 99% |
With potassium hydroxide; dibenzo-18-crown-6 In toluene for 1.5h; Heating / reflux; | 92% |
1-methyl-piperazine
2,5-dibromopyridine
1-N-(5-bromopyridin-2-yl)-4-methylpiperazine
Conditions | Yield |
---|---|
With 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate; tris(dibenzylideneacetone)dipalladium (0) In toluene at 100℃; for 3h; | 99% |
In butan-1-ol for 96h; Reflux; | 70% |
With sodium hydrogencarbonate | 67.1% |
2,5-dibromopyridine
1-t-Butoxycarbonylpiperazine
5-Bromo-2-(4-tert-butoxycarbonylpiperazin-1-yl)pyridine
Conditions | Yield |
---|---|
With 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate; tris(dibenzylideneacetone)dipalladium (0) In toluene at 100℃; for 3h; | 99% |
With tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; sodium t-butanolate In toluene at 80℃; for 4h; Sealed tube; Inert atmosphere; | 82% |
With pyridine at 125℃; for 12h; | 39.5% |
With potassium carbonate In dimethyl sulfoxide at 150℃; for 21h; |
2,5-dibromopyridine
methanol
carbon monoxide
dimethyl 2,5-pyridine dicarboxylate
Conditions | Yield |
---|---|
With dichloro[2,2'-bis(diphenylphosphino)-1,1'-binaphthyl]palladium(II); triethylamine at 100℃; under 2585.74 Torr; for 1h; | 99% |
Conditions | Yield |
---|---|
Stage #1: bromobenzene With n-butyllithium In tetrahydrofuran; hexane; cyclohexane at -78℃; for 0.5h; Inert atmosphere; Stage #2: With zinc(II) chloride In tetrahydrofuran; hexane; cyclohexane at -78 - 20℃; for 2.6h; Inert atmosphere; Stage #3: 2,5-dibromopyridine With tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran; hexane; cyclohexane for 16h; Negishi coupling reaction; Inert atmosphere; Reflux; | 99% |
2,5-dibromopyridine
trimethylsilylacetylene
3-bromo-6-(trimethylsilylethynyl)pyridine
Conditions | Yield |
---|---|
With triethylamine; copper(l) iodide; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran at 17 - 30℃; for 0.5h; Sonogashira Coupling; | 98% |
With copper(l) iodide; palladium dichloride In triethylamine at 30℃; for 2.17h; Inert atmosphere; | 97% |
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In tetrahydrofuran at 20℃; Sonogashira cross-coupling; Inert atmosphere; | 92% |
2,5-dibromopyridine
ethylenediamine
N1-(5-bromopyridin-2-yl)ethane-1,2-diamine
Conditions | Yield |
---|---|
at 100℃; for 15h; | 98% |
at 100℃; for 15h; | 98% |
With pyridine for 18h; Heating; | 71% |
at 100℃; for 16h; |
Conditions | Yield |
---|---|
With sodium hydroxide for 5h; Reflux; | 98% |
With sodium In N,N-dimethyl-formamide at 80℃; for 1h; Substitution; | 95% |
With potassium tert-butylate In DMF (N,N-dimethyl-formamide) at 20℃; for 18h; | |
With sodium methylate In methanol for 0.5h; Reflux; |
2,5-dibromopyridine
2,5-bis(2-ethylhexyloxy)benzene-1,4-diboronic acid
poly{2,5-pyridilene-co-1,4-[2,5-bis-(2-ethylhexyloxy)]phenylene}, AB copolymer, Mw: 12000, Mn: 7400, polydispersity: 2.46; monomer(s): 2,5-dibromopyridine, 1,4-[2,5-bis(2-ethylhexyloxy)]diboronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In tetrahydrofuran; water at 70℃; for 60h; Heating; | 98% |
Conditions | Yield |
---|---|
Stage #1: 2,5-dibromopyridine With n-butyllithium In diethyl ether at -78℃; Stage #2: Dimethyldisulphide In diethyl ether | 98% |
Stage #1: 2,5-dibromopyridine With n-butyllithium In diethyl ether; hexane at -78℃; for 1h; Stage #2: Dimethyldisulphide In diethyl ether; hexane at -78 - 0℃; for 2h; Further stages.; | 94% |
With hydrogenchloride; n-butyllithium In hexane | 94% |
piperidine
2,5-dibromopyridine
5'-bromo-3,4,5,6-tetrahydro-2H-[1,2']bipyridinyl
Conditions | Yield |
---|---|
With 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; sodium t-butanolate; tris(dibenzylideneacetone)dipalladium (0) In toluene at 100℃; for 3h; | 98% |
at 80℃; for 96h; | 94% |
With copper(l) iodide; potassium carbonate at 80℃; for 2h; | 92% |
With copper(l) iodide; potassium carbonate; L-proline In dimethyl sulfoxide at 80℃; for 40h; Inert atmosphere; | 28% |
With copper(l) iodide; bis(benzonitrile)palladium(II) dichloride Sonogashira coupling; |
Conditions | Yield |
---|---|
With 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; sodium t-butanolate; tris(dibenzylideneacetone)dipalladium (0) In toluene at 100℃; for 3h; | 98% |
Conditions | Yield |
---|---|
In butan-1-ol at 75℃; for 16h; sealed tube; | 98% |
at 110℃; for 1.5h; | 55% |
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide Sonogashira coupling; |
Conditions | Yield |
---|---|
for 3h; Reflux; | 98% |
for 3h; Reflux; | 98% |
at 220 - 250℃; for 0.5h; Microwave irradiation; | 95% |
potassium fluoride on basic alumina for 0.25h; microwave irradiation; | 85% |
2,5-dibromopyridine
tert-butyl 4-(hydroxymethyl)piperidin-1-carboxylate
tert-butyl 4-((5-bromopyridin-2-yloxy)methyl)piperidine-1-carboxylate
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 20℃; for 3h; Temperature; Concentration; | 98% |
With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 80℃; for 5h; | 87% |
Stage #1: tert-butyl 4-(hydroxymethyl)piperidin-1-carboxylate With sodium hydride In dimethyl sulfoxide; mineral oil at 20 - 50℃; for 1.5h; Stage #2: 2,5-dibromopyridine In dimethyl sulfoxide; mineral oil at 20℃; | 84% |
With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 3h; | 78% |
Conditions | Yield |
---|---|
With 1-methyl-1H-imidazole; copper(l) chloride; lithium tert-butoxide In toluene at 130℃; for 5h; Inert atmosphere; | 98% |
With 1-methyl-1H-imidazole; copper(l) chloride; lithium tert-butoxide In toluene at 130℃; for 5h; Ullmann Condensation; chemoselective reaction; | 80% |
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 50℃; for 72h; Sonogashira coupling; | 97% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View