ProName: catechol 120-80-9 CasNo: 120-80-9 Molecular Formula: C6H6O2 Appearance: Light gray or light brown crystal Application: Pharmaceutical Intermediates DeliveryTime: prompt PackAge: 25kg/drum, 200kg/drum Port: Sh
Cas:120-80-9
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Cas:120-80-9
Min.Order:1 Metric Ton
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inquiryDayangchem’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 quantiti
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inquiryItems Standard Result Appearance White granules White granules Assay
Cas:120-80-9
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inquiryProduct description: Product name Pyrocatechol CAS number 120-80-9 Assay ≥99% Appearance Off-white to light gray crystal Capacity 500mt/year Application Rubber hardener, elec
Cas:120-80-9
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inquiry1,ISO Certificate 2,Factory price 3,Free sample and Fast delivery Appearance:White flakes Storage:Storage: All products should be stored at a dry and ventilated location away from fire and other dangerous goods, and should avoid direct sunlight. Pa
Cas:120-80-9
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inquiryThe company has a professional R & D team, mature technology, very competitive prices and stable high quality products for customers to order high quality and low price product efforts! Appearance:White or off-white Solid Storage:Sealed, dr
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
17-year experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2008 quality management system Leader Supplier of Botanical Reference Materials in 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 ap
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Hebei 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
Product Name: Pyrocatechol Synonyms: 1,2-Benzenediol (pyrocatechol);1,2-benzenediol[qr];1,2-dihydroxybenzene[qr];2-Hydroxyphenol;2-hydroxyphenol[qr];ai3-03995[qr];Benzene, o-dihydroxy-;benzene,1,2-dihydroxy- CAS: 120-80-9 M
Cas:120-80-9
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inquiryAppearance: Light gray to light brown crystal . Molecular Formula : C6H6O2 . Molecular weight :110.11. Solubility: Soluble in water, soluble in ethanol, ethyl ether. Application: 1,anti-microbial raw material. 2, Used
1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:off-white to similar to white powder Storage:Store in sealed
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Min.Order:100 Gram
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inquirySuperior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediates Tr
Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
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Min.Order:1 Kilogram
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inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
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Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryHangzhou 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
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high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Conditions | Yield |
---|---|
With dihydrogen peroxide; MgAlZr0.1-HT In Petroleum ether at 79.9℃; for 8h; | 100% |
With 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione In methanol; chloroform at -25℃; for 0.333333h; | 97% |
With tert.-butylhydroperoxide In water; acetonitrile at 70℃; for 6h; Catalytic behavior; Temperature; Solvent; | 89% |
1,3-benzodioxol-2-one
isopropyl alcohol
A
bis-2-propyl carbonate
B
benzene-1,2-diol
Conditions | Yield |
---|---|
With sodium methylate In neat (no solvent) at 100℃; under 1500.15 Torr; for 5h; Inert atmosphere; Autoclave; | A 67% B 100% |
With sodium methylate at 100℃; for 5h; Temperature; Autoclave; Inert atmosphere; | A 90 %Chromat. B n/a |
Conditions | Yield |
---|---|
With 1,3-dimethyl-2-imidazolidinone; sodium hexamethyldisilazane In tetrahydrofuran at 185℃; for 12h; further reagent: LDA; | 99% |
With sodium di(ethyl)amine In N,N,N,N,N,N-hexamethylphosphoric triamide; benzene for 12h; Heating; | 85% |
With aluminium(III) iodide In carbon disulfide for 7h; Heating; Var. solvent, time and substrate reagent ratio; | 80% |
Conditions | Yield |
---|---|
Stage #1: 2-methoxy-phenol With pyridine; iodine; aluminium In acetonitrile for 18h; Reflux; Stage #2: With hydrogenchloride In water; acetonitrile at 20℃; | 99% |
With hydrogenchloride In water at 250℃; under 37503.8 Torr; for 3h; Reagent/catalyst; Autoclave; Inert atmosphere; Green chemistry; | 97% |
With aluminium(III) iodide; calcium oxide In acetonitrile at 80℃; for 18h; Reagent/catalyst; | 94% |
2,2-dimethyl-1,3-benzodioxole
benzene-1,2-diol
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 18h; Catalytic behavior; Reagent/catalyst; Solvent; | 99% |
With indium(III) triflate In water; acetonitrile at 120℃; for 0.5h; Microwave irradiation; | 91% |
With sodium di(ethyl)amine In N,N,N,N,N,N-hexamethylphosphoric triamide; benzene for 12h; Heating; | 88% |
6H,11H-dibenzo<14>dioxocin
benzene-1,2-diol
Conditions | Yield |
---|---|
With hydrogen; palladium hydroxide - carbon In ethanol under 760 Torr; | 99% |
Conditions | Yield |
---|---|
With glycolic Acid; copper hydroxide; sodium hydroxide In water; dimethyl sulfoxide at 120℃; for 6h; Inert atmosphere; Schlenk technique; | 99% |
With β-D-glucose; copper(II) acetate monohydrate; potassium hydroxide In water; dimethyl sulfoxide at 20 - 120℃; for 16h; | 83% |
Conditions | Yield |
---|---|
With dihydrogen peroxide at 20℃; for 0.666667h; Time; Dakin Phenol Oxidation; Green chemistry; | 98% |
With dihydrogen peroxide In water at 20℃; for 2h; Dakin Phenol Oxidation; Green chemistry; | 98% |
With 7,8-difluoro-1,3-dimethyl-5-ethyl-4a-hydroperoxyalloxazine; dihydrogen peroxide; sodium hydrogencarbonate In methanol; water at 20℃; for 1h; Dakin oxidation; | 92% |
Conditions | Yield |
---|---|
With methanol; 1,3-disulfonic acid imidazolium hydrogen sulfate at 20℃; for 0.0666667h; Green chemistry; | 98% |
2-ethoxyanisole
benzene-1,2-diol
Conditions | Yield |
---|---|
With hydrogenchloride In water at 250℃; under 37503.8 Torr; for 3h; Autoclave; Inert atmosphere; Green chemistry; | 98% |
With water; hydrogen bromide; Aliquat 336 at 105℃; for 9h; Catalytic behavior; | 72% |
Conditions | Yield |
---|---|
With 1,3-dimethyl-2-imidazolidinone; lithium diisopropyl amide In tetrahydrofuran; n-heptane; ethylbenzene at 185℃; for 12h; | 97% |
With hydrogen iodide at 25℃; for 24h; Inert atmosphere; | 96% |
With aluminium(III) iodide In acetonitrile for 0.5h; Heating; Var. solvent, time and substrate reagent ratio; | 93% |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 250℃; under 37503.8 Torr; for 3h; Sealed tube; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
With copper(l) iodide; 8-quinolinol; potassium hydroxide In water; dimethyl sulfoxide; tert-butyl alcohol at 100℃; for 48h; Inert atmosphere; | 95% |
Stage #1: 2-Iodophenol With copper(l) iodide; 1,10-Phenanthroline; potassium hydroxide In water; dimethyl sulfoxide at 20 - 100℃; Inert atmosphere; Stage #2: With hydrogenchloride In water; dimethyl sulfoxide at 20℃; Inert atmosphere; | 86% |
With basolite C300; potassium hydroxide In water; dimethyl sulfoxide at 125℃; for 12h; | 84% |
Conditions | Yield |
---|---|
With aluminium(III) iodide In dimethyl sulfoxide; acetonitrile at 80℃; for 18h; | 95% |
With aluminium(III) iodide; dimethyl sulfoxide In acetonitrile at 80℃; for 18h; | 95% |
With aluminium(III) iodide; N,N-dimethyl-formamide dimethyl acetal In acetonitrile at 80℃; for 18h; | 72% |
With aluminium(III) iodide; N,N-dimethyl-formamide dimethyl acetal In acetonitrile at 80℃; for 18h; | 72% |
With oxygen; copper(II) perchlorate; ascorbic acid In water; acetone at 60℃; for 20h; | 25% |
Conditions | Yield |
---|---|
With boron dimethyl-trifluoro sulphide In dichloromethane at 0℃; for 0.0833333h; | 95% |
Conditions | Yield |
---|---|
With ammonium bicarbonate In water at 20℃; for 2h; Schlenk technique; | 95% |
2-(2-phenylethoxy)phenol
benzene-1,2-diol
Conditions | Yield |
---|---|
With aluminium(III) iodide In dimethyl sulfoxide; acetonitrile at 80℃; for 18h; | 95% |
With aluminium(III) iodide; dimethyl sulfoxide In acetonitrile at 80℃; for 18h; | 95% |
With aluminium(III) iodide In dimethyl sulfoxide; acetonitrile at 80℃; for 18h; | 93% |
Conditions | Yield |
---|---|
With bis[dichloro(pentamethylcyclopentadienyl)iridium(III)]; malonic acid In methanol at 25℃; for 12h; Catalytic behavior; Reagent/catalyst; Temperature; Solvent; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
With aluminium(III) iodide; diisopropyl-carbodiimide In acetonitrile at 80℃; for 18h; | 94% |
With aluminium(III) iodide; diisopropyl-carbodiimide In acetonitrile at 80℃; for 18h; | 94% |
With aluminium(III) iodide; calcium oxide In acetonitrile at 80℃; for 18h; | 94% |
benzene-1,2-diol
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In toluene | 93% |
Conditions | Yield |
---|---|
With aluminium(III) iodide; dimethyl sulfoxide In acetonitrile at 80℃; for 18h; | 93% |
With aluminium(III) iodide; N,N-dimethyl-formamide dimethyl acetal In acetonitrile at 80℃; for 18h; | 63% |
With aluminium(III) iodide; N,N-dimethyl-formamide dimethyl acetal In acetonitrile at 80℃; for 18h; | 63% |
Conditions | Yield |
---|---|
With Na-X zeolite In water at 200℃; for 1h; Autoclave; | 91% |
With Cocos nucifera juice at 20℃; for 48h; Inert atmosphere; | 88% |
With cucumber juice at 30 - 35℃; for 48h; Inert atmosphere; Green chemistry; | 85% |
Conditions | Yield |
---|---|
With Nafion-H; toluene for 2h; Heating; | A 97 % Chromat. B 91% |
4-tert-Butylcatechol
toluene
A
4-tert-butyltoluene
B
benzene-1,2-diol
Conditions | Yield |
---|---|
With Nafion-H for 2h; Heating; | A 97 % Chromat. B 91% |
4-oxo-cyclohexyl 2,2-dimethylpropanoate
benzene-1,2-diol
Conditions | Yield |
---|---|
With iodine; oxygen; dimethyl sulfoxide at 80℃; for 12h; | 91% |
Conditions | Yield |
---|---|
With aluminium(III) iodide In acetonitrile for 1h; Heating; | 90% |
With sulphurous acid | |
Rate constant; pH 7.00; reaction with substrate reduced glucose oxidase; |
Conditions | Yield |
---|---|
With sodium percarbonate In tetrahydrofuran; water; N,N-dimethyl-formamide for 8h; ultrasonication; | 90% |
With sulfuric acid; dihydrogen peroxide; boric acid In tetrahydrofuran; water at 20℃; for 36h; Oxidation; | 90% |
1-acetoxy-6-oxocyclohexa-2,4-dienyl propanoate
benzene-1,2-diol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether for 1h; Heating; | 90% |
Conditions | Yield |
---|---|
With aluminum (III) chloride In benzene for 4h; Solvent; Time; Temperature; Reflux; | 90% |
Conditions | Yield |
---|---|
In water at 210℃; for 0.25h; Microwave irradiation; | 100% |
at 200℃; | |
at 200 - 210℃; in geschlossenen Rohr; | |
With potassium dichromate; acetic acid for 24h; Reflux; |
Conditions | Yield |
---|---|
at 80℃; for 1h; | 100% |
for 0.166667h; Schlenk technique; | 96% |
In dichloromethane; ethyl acetate at 20℃; | 81% |
benzene-1,2-diol
1-bromo-3,4-dihydroxybenzene
Conditions | Yield |
---|---|
With benzyltriphenylphosphonium peroxodisulfate; potassium bromide In acetonitrile for 3.5h; Heating; | 100% |
With tetrafluoroboric acid diethyl ether; N-Bromosuccinimide In acetonitrile at -30 - 20℃; | 100% |
With N-Bromosuccinimide; tetrafluoroboric acid In diethyl ether; acetonitrile regioselective reaction; | 100% |
Conditions | Yield |
---|---|
With 2,2'-bipyridylchromium peroxide In benzene for 0.5h; Product distribution; Heating; effect of various chromium(VI) based oxidants; | 100% |
With barium ferrate(VI) In benzene for 0.7h; Product distribution; Heating; | 100% |
With 2,2'-bipyridylchromium peroxide In benzene for 0.5h; Heating; | 100% |
dichloromethylenedimethyliminium chloride
benzene-1,2-diol
Benzo[1,3]dioxol-2-ylidene-dimethyl-ammonium; chloride
Conditions | Yield |
---|---|
at -20℃; for 1h; ball mill; | 100% |
In dichloromethane for 1h; Heating; |
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 48h; Williamson ether synthesis; Reflux; | 100% |
With potassium carbonate In acetone for 48h; Heating; | 95% |
With potassium carbonate; potassium iodide In acetone for 48h; Reflux; | 95% |
benzene-1,2-diol
ethyl bromoacetate
ethyl 2-<2-<(ethoxycarbonyl)methoxy>phenoxy>acetate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 120h; | 100% |
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In acetonitrile for 8h; Heating; | 95% |
With potassium carbonate In N,N-dimethyl-formamide at 75 - 80℃; for 1.5h; | 90% |
benzene-1,2-diol
1-(benzenesulfonyl)-3-methylimidazolium triflate
1,2-bis<(benzenesulfonyl)oxy>benzene
Conditions | Yield |
---|---|
With 1-methyl-1H-imidazole In tetrahydrofuran 1) 0 deg C, 30 min, 2) RT, 6 h; | 100% |
(3-methyl-2-butenyl)trimethoxysilane
benzene-1,2-diol
triethylamine
triethylammonium bis(catecholato)(3-methyl-2-butenyl)siliconate
Conditions | Yield |
---|---|
at 45℃; for 5h; | 100% |
allyltrimethoxysilane
benzene-1,2-diol
triethylamine
triethylammonium bis(pyrocatecholato)allylsilicate
Conditions | Yield |
---|---|
for 5h; room temperature to 40 deg C; | 100% |
at 40℃; for 4h; Inert atmosphere; Sealed tube; | 55% |
(2-methyl-2-propenyl)trimethoxysilane
benzene-1,2-diol
triethylamine
triethylammonium bis(catecholato)(2-methyl-2-propenyl)siliconate
Conditions | Yield |
---|---|
at 45℃; for 5h; | 100% |
Conditions | Yield |
---|---|
at 45℃; for 5h; | 100% |
benzene-1,2-diol
1,1-dichloro-5-aza-2,8-dioxa-1-phosphaV-dibenzo<9,9',11,11'-tetra-tert-butyl>-bicyclo<3.3.0>octadiene
Conditions | Yield |
---|---|
In benzene for 24h; Ambient temperature; | 100% |
3,4-Difluorobenzonitrile
benzene-1,2-diol
2-cyanodibenzo[1,4]dioxine
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide; toluene at 125 - 130℃; | 100% |
With potassium carbonate In N,N-dimethyl-formamide; toluene at 130 - 135℃; Etherification; cyclization; | 98% |
benzene-1,2-diol
Conditions | Yield |
---|---|
With ozone In water at 20℃; for 0.1h; pH=2; Oxidation; Formation of xenobiotics; | 100% |
benzene-1,2-diol
Triphenylphosphine oxide
triphenyl(1,2-phenylenedioxy)phosphorane
Conditions | Yield |
---|---|
at 70 - 80℃; for 2h; | 100% |
(E)-(2-(phenyldiazenyl)phenyl)boronic acid
benzene-1,2-diol
Conditions | Yield |
---|---|
In toluene for 4h; Heating; | 100% |
benzene-1,2-diol
tetraethylene glycol monoacrylate
Conditions | Yield |
---|---|
Stage #1: benzene-1,2-diol With Trimethyl borate In acetonitrile at 60℃; for 1h; Stage #2: tetraethylene glycol monoacrylate In acetonitrile for 2h; Further stages.; | 100% |
Conditions | Yield |
---|---|
react. of the educts in a molar ratio of 1:1; | A 100% B n/a |
boric acid
benzene-1,2-diol
triphenylhydroxysilane
2-triphenylsiloxy-1,3,2-benzodioxaborole
Conditions | Yield |
---|---|
In benzene byproducts: H2O; azeotropic removal of water; elem. anal.; | 100% |
Conditions | Yield |
---|---|
In acetonitrile stirring of catechol and B(OMe)3 at 60 °C for 1h, addn of tetraethylene glycol monoacrylate, 2 h stirring; cooling, vac. evapn. at 40 °C for 24 h; | 100% |
(E)-dihydroxy(2-{[4-(trifluoromethyl)phenyl]azo}phenyl)borane
benzene-1,2-diol
Conditions | Yield |
---|---|
In toluene for 16h; Heating; | 100% |
benzene-1,2-diol
N-cyclohexyl-cyclohexanamine
N-(trimethoxysilylmethyl)hexahydroazepin-2-one
Conditions | Yield |
---|---|
In o-xylene at 130 - 140℃; | 100% |
triethylene glucol monomethyl ether
lithium tetramethanolatoborate
benzene-1,2-diol
Conditions | Yield |
---|---|
Stage #1: triethylene glucol monomethyl ether; lithium tetramethanolatoborate for 24h; Reflux; Inert atmosphere; Stage #2: benzene-1,2-diol for 24h; Reflux; Inert atmosphere; | 100% |
9,9-didodecylfluorene-2,7-diboronic acid
benzene-1,2-diol
C49H64B2O4
Conditions | Yield |
---|---|
In toluene Reflux; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
In toluene Dean-Stark; Reflux; | 100% |
Conditions | Yield |
---|---|
With sodium sulfate In toluene at 50℃; Reflux; | 100% |
Conditions | Yield |
---|---|
With trifluoroacetic acid In dimethylsulfoxide-d6 at 20℃; for 1h; | 100% |
Triisopropyl borate
(S)-diphenylprolinol
benzene-1,2-diol
Conditions | Yield |
---|---|
In toluene at 80℃; for 1h; Inert atmosphere; | 100% |
Stage #1: Triisopropyl borate; benzene-1,2-diol In toluene Inert atmosphere; Reflux; Stage #2: (S)-diphenylprolinol In toluene at 80℃; for 1h; Inert atmosphere; Reflux; | 100% |
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