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
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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
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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
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
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inquiryour strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery
J&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
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inquirySuperior quality, moderate price & quick delivery. Appearance:colourless or light yellow liquid Storage:stored in a cool, dry and ventilated place to provent sun and rain Package:25kg/drum, or as per your request. Application:Used as Pharmaceu
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inquiryOur company was built in 2009 with an ISO certificate.In the past 6 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
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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,
(S)-2,6-Bis-tert-butoxycarbonylaminohexanoic acid Basic information Product Name: (S)-2,6-Bis-tert-butoxycarbonylaminohexanoic acid Synonyms: N-ALPHA,EPSILON-BIS-BOC-L-LYSINE;N-ALPHA,N-EPSILON-DI-T-BUTOXYCARBONYL-L-LYSINE;BOC-L-LYSINE(BOC);BOC
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
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inquiryHigh purity, high success rate, short cycle and moderate priceAppearance:White powder solid Storage:Negative 20 degrees Celsius Package:5mg, 10mg 100mg, 1gram Application:Applied to various scientific research
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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
high 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
Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
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inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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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? We can also provide MT1 peptide powder2.
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inquiryAnsciep 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
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inquiryAppearance: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
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inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
di-tert-butyl dicarbonate
L-Lysine hydrochloride
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water at 20℃; | 100% |
With sodium hydroxide In 1,4-dioxane; water at 10 - 20℃; for 20h; pH=7.05 - 10; | 92% |
Stage #1: di-tert-butyl dicarbonate; L-Lysine hydrochloride With sodium hydrogencarbonate In tetrahydrofuran; water at 0 - 20℃; for 12h; Stage #2: di-tert-butyl dicarbonate In tetrahydrofuran; water at 0 - 20℃; for 12h; | 90% |
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
With potassium hydrogensulfate In diethyl ether; water for 0.333333h; Product distribution / selectivity; | 100% |
With citric acid In water; ethyl acetate at 0℃; for 0.5h; | 97% |
With water In ethyl acetate | |
With hydrogenchloride In water; ethyl acetate |
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane | 97% |
With sodium hydrogencarbonate In tetrahydrofuran; water at 30℃; for 24h; Inert atmosphere; | 92% |
With sodium hydroxide In 1,4-dioxane; water at 20℃; for 12h; | 92% |
Conditions | Yield |
---|---|
With triethylamine In 1,4-dioxane; water for 18h; Cooling with ice; | 93% |
di-tert-butyl dicarbonate
(S)-2-amino-6-(tert-butoxycarbonylamino)hexanoic acid
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
With sodium hydroxide In water; tert-butyl alcohol at 20 - 40℃; for 16h; | 82% |
Stage #1: di-tert-butyl dicarbonate; (S)-2-amino-6-(tert-butoxycarbonylamino)hexanoic acid With sodium hydroxide In tetrahydrofuran; water at 20℃; for 6h; pH=9 - 11; Stage #2: With citric acid In water pH=4 - 5; |
N-(tert-butyloxycarbonyl) azide
L-Lysine hydrochloride
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
With sodium carbonate |
Conditions | Yield |
---|---|
With sodium hydroxide In N,N-dimethyl-formamide |
Conditions | Yield |
---|---|
With sodium hydroxide In tert-butyl alcohol | |
With triethylamine |
1,1-dimethylethyl 2,4,5-trichlorophenyl carbonate
L-Lysine hydrochloride
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
With triethylamine In water; butan-1-ol |
Nα,Nε-Di-tert.-butyloxycarbonyl-L-lysin-ethylester
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
With sodium hydroxide |
tert-Butyl 4-nitrophenyl carbonate
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Py 2: aq. NaOH View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Py 2: aq. NaOH View Scheme |
di-tert-butyl dicarbonate
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
Stage #1: L-Lysine hydrochloride With water at 35℃; Stage #2: di-tert-butyl dicarbonate With sodium hydroxide In water at 30 - 50℃; for 2h; pH=> 8; |
Conditions | Yield |
---|---|
With Cu(II)(2,6-bis(6-monoamino-β-cyclodextrinmethyl)pyridine) In acetonitrile at 25℃; pH=8.2; Kinetics; Reagent/catalyst; |
di(succinimido) carbonate
Boc-Lys(Boc)-OH
N,N'-di-t-butyloxycarbonyl-(S)-lysine N-hydroxysuccinimide ester
Conditions | Yield |
---|---|
With pyridine | 100% |
2,3,4,5,6-pentafluorophenol
Boc-Lys(Boc)-OH
pentafluorophenyl N-α-N-ε-di-Boc-L-lysinate
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In ethyl acetate at 20℃; for 1h; | 100% |
With dicyclohexyl-carbodiimide In dichloromethane at 25℃; | 92% |
With dicyclohexyl-carbodiimide In 1,4-dioxane for 2h; | 86.5% |
With dicyclohexyl-carbodiimide In dichloromethane at 0 - 20℃; for 1.75h; |
Boc-Lys(Boc)-OH
N-hydroxysuccinimido diphenyl phosphate
N,N'-di-t-butyloxycarbonyl-(S)-lysine N-hydroxysuccinimide ester
Conditions | Yield |
---|---|
With pyridine | 100% |
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; benzotriazol-1-ol at 20℃; for 1h; Acylation; | 100% |
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; benzotriazol-1-ol at 20℃; for 1h; Acylation; | 100% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 2.5h; | 100% |
Conditions | Yield |
---|---|
With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane at 0 - 20℃; | 100% |
With triethylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In dichloromethane at 0 - 20℃; | 0.270 g |
Conditions | Yield |
---|---|
With hydrogenchloride In 1,4-dioxane; methanol at 20℃; for 24h; | 100% |
Boc-Lys(Boc)-OH
2,6-Dichlor-N-phenylbenzimidchlorid
Nα,Nε-Bis(tert-butoxycarbonyl)-N-(2,6-dichlorbenzoyl)-N-phenyl-L-lysinamid
Conditions | Yield |
---|---|
With triethylamine In acetone for 4h; Ambient temperature; | 99% |
1-hydroxy-pyrrolidine-2,5-dione
Boc-Lys(Boc)-OH
N,N'-di-t-butyloxycarbonyl-(S)-lysine N-hydroxysuccinimide ester
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; Inert atmosphere; | 99% |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0 - 20℃; | 88% |
With dicyclohexyl-carbodiimide In tetrahydrofuran | 86% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In N,N-dimethyl-formamide at 0 - 20℃; for 14.5h; Inert atmosphere; | 99% |
Boc-Lys(Boc)-OH
N-decyl-1-aminomethylnaphthalene hydrochloride
1-(N-(Nα,Nε-di-Boc-Lys)-N-decylamino)methylnaphthalene
Conditions | Yield |
---|---|
Stage #1: Boc-Lys(Boc)-OH With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In chloroform; N,N-dimethyl-formamide at 0℃; for 0.0833333h; Stage #2: N-decyl-1-aminomethylnaphthalene hydrochloride In chloroform; N,N-dimethyl-formamide at 0 - 20℃; for 24.5h; | 98% |
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In N,N-dimethyl-formamide at 20℃; for 1.5h; Inert atmosphere; | 98% |
Boc-Lys(Boc)-OH
methyl iodide
(+)-(S)-N2,N6-bis[(1,1-dimethylethoxy)carbonyl]-lysine methyl ester
Conditions | Yield |
---|---|
With potassium carbonate In ethyl acetate; N,N-dimethyl-formamide at 10 - 20℃; for 5h; Inert atmosphere; | 97% |
Stage #1: Boc-Lys(Boc)-OH With caesium carbonate In tetrahydrofuran; water Stage #2: methyl iodide In N,N-dimethyl-formamide for 2h; | 65% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 2h; | 3 g |
Boc-Lys(Boc)-OH
N-hexyl-1-aminomethylbenzene hydrochloride
1-(N-(Nα,Nε-di-Boc-Lys)-N-hexylamino)methylbenzene
Conditions | Yield |
---|---|
Stage #1: Boc-Lys(Boc)-OH With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In chloroform; N,N-dimethyl-formamide at 0℃; for 0.0833333h; Stage #2: N-hexyl-1-aminomethylbenzene hydrochloride In chloroform; N,N-dimethyl-formamide at 0 - 20℃; for 24.5h; | 97% |
Stage #1: Boc-Lys(Boc)-OH With N-ethyl-N,N-diisopropylamine In chloroform; N,N-dimethyl-formamide Stage #2: With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate In chloroform; N,N-dimethyl-formamide Stage #3: N-hexyl-1-aminomethylbenzene hydrochloride In chloroform; N,N-dimethyl-formamide at 0 - 20℃; for 24.5h; |
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide | 97% |
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In N,N-dimethyl-formamide | 97% |
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
Stage #1: (S)-3-(3-fluoro-4-morpholinophenyl)-5-((octylamino)methyl)oxazolidin-2-one With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In chloroform; N,N-dimethyl-formamide at 0℃; for 0.0833333h; Stage #2: Boc-Lys(Boc)-OH In chloroform; N,N-dimethyl-formamide at 0 - 20℃; for 24.5h; | 96.9% |
Boc-Lys(Boc)-OH
Conditions | Yield |
---|---|
Stage #1: (S)-5-((decylamino)methyl)-3-(3-fluoro-4-morpholinophenyl)oxazolidin-2-one With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In chloroform; N,N-dimethyl-formamide at 0℃; for 0.0833333h; Stage #2: Boc-Lys(Boc)-OH In chloroform; N,N-dimethyl-formamide at 0 - 20℃; for 24.5h; | 96.7% |
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0 - 20℃; for 24h; Inert atmosphere; | 96% |
With 1-hydroxy-pyrrolidine-2,5-dione; dicyclohexyl-carbodiimide In chloroform at 0℃; |
Boc-Lys(Boc)-OH
N,O-dimethylhydroxylamine*hydrochloride
[5-tert-butoxycarbonylamino-5-(methoxy-methyl-carbamoyl)-pentyl]-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: Boc-Lys(Boc)-OH With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 0℃; for 0.25h; Inert atmosphere; Stage #2: N,O-dimethylhydroxylamine*hydrochloride With 4-methyl-morpholine In dichloromethane at 0 - 25℃; for 14h; Inert atmosphere; | 96% |
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In dichloromethane at 20℃; for 1h; | 94% |
Boc-Lys(Boc)-OH
methyl 6-O-trityl-α-D-glucopyranoside
Conditions | Yield |
---|---|
With dmap; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane 1) 0 deg C, 2 h, 2) r.t., overnight; | 95% |
Conditions | Yield |
---|---|
With O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
Stage #1: Boc-Lys(Boc)-OH With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0℃; for 0.25h; Stage #2: C94H167ClN6O19Si4 In N,N-dimethyl-formamide at 0 - 20℃; | 95% |
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide |
Conditions | Yield |
---|---|
Stage #1: Boc-Lys(Boc)-OH; C17H41N9O2 With diisopropyl-carbodiimide In methanol at 20℃; for 0.25h; Stage #2: With trifluoroacetic acid In methanol; dichloromethane for 2h; | 95% |
Boc-Lys(Boc)-OH
(1S,2S,5R,6S)-2-[(2'S)-(2',6'-bis(tert-butoxycarbonyl)amino)hexanoyl]aminobicyclo[3.1.0]hexane-2,6-dicarboxylic acid dimethyl ester
Conditions | Yield |
---|---|
With dmap; benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide; triethylamine In dichloromethane at 20℃; | 94% |
Boc-Lys(Boc)-OH
Propargylamine
(S)-di-(tert-butyl) 6-oxo-6-(prop-2-ynylamino)hexane-1,5-diyldicarbamate
Conditions | Yield |
---|---|
Stage #1: Boc-Lys(Boc)-OH With 1-hydroxy-pyrrolidine-2,5-dione; dicyclohexyl-carbodiimide In dichloromethane for 0.166667h; Cooling with ice; Stage #2: Propargylamine With triethylamine In dichloromethane | 94% |
Stage #1: Boc-Lys(Boc)-OH With 1-hydroxy-pyrrolidine-2,5-dione; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 0.5h; Stage #2: Propargylamine With triethylamine In dichloromethane at 0℃; | 94% |
With benzotriazol-1-ol; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 24.5h; Inert atmosphere; Cooling with ice; | 64% |
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