As 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 services. DayangChem can provide different quantities of custom synthesis ch
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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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
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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
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inquiry5-Hydroxy-2-nitrobenzaldehyde CAS:42454-06-8 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 org
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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
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inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
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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
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
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inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
Zibo 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
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
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inquiry2-NITRO-5-HYDROXYBENZALDEHYDE;6-NITRO-3-HYDROXYBENZALDEHYDE;6-NITRO-3-HYDROXY BENZALDHYDE;5-HYDROXY-2-NITROBENZALDEHYDE;3-HYDROXY-6-NITROBENZALDEHYDE;3-Formyl-4-nitrophenol;5 -hydroxy-2-nitro-benzaldehyd CAS No.: 42454-06-8 Molecular formula: C
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inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
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inquiryShandong Mopai Biotechnology 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 chemicals. W
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inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
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inquiryHigh 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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inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
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inquiryOur company is engaged in customizing the benzene ring and pyridine derivative organic intermediates, and the quantity is flexible according to customer's needs. It mainly provides high-quality intermediates for domestic and foreign pharmaceutical an
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inquiryThe process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai
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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
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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
Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
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Min.Order:100 Gram
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inquiryAcmec 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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inquiryethyl (3-formyl-4-nitrophenyl) carbonate
2-nitro-5-hydroxybenzaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; for 2h; Inert atmosphere; | 95% |
With sodium hydroxide In water at 20℃; for 2h; | 80% |
With sodium hydroxide |
3-formyl-4-nitrophenyl methyl carbonate
2-nitro-5-hydroxybenzaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide In water | 92% |
With sodium hydroxide In water at 20℃; for 1h; | 70% |
meta-hydroxybenzaldehyde
A
2-nitro-5-hydroxybenzaldehyde
B
3-hydroxy-2-nitrobenzaldehyde
Conditions | Yield |
---|---|
With perchloric acid; montmorillonite K10 supported ammonium nitrate at 60℃; for 1.66667h; | A 69% B 8% |
bis(3-formylphenyl) oxalate
2-nitro-5-hydroxybenzaldehyde
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid In methanol; (2S)-N-methyl-1-phenylpropan-2-amine hydrate; water | 66.5% |
Stage #1: bis(3-formylphenyl) oxalate With sulfuric acid; nitric acid at -20 - -10℃; for 0.5h; Inert atmosphere; Stage #2: In water at -10 - 5℃; for 0.5h; Inert atmosphere; Stage #3: In methanol; water for 48h; Inert atmosphere; | 63% |
meta-hydroxybenzaldehyde
2-nitro-5-hydroxybenzaldehyde
Conditions | Yield |
---|---|
With nitric acid | 25% |
With nitric acid In benzene | 25% |
With nitric acid Inert atmosphere; regioselective reaction; | 25% |
carbonic acid bis-(3-formyl-4-nitro-phenyl ester)
2-nitro-5-hydroxybenzaldehyde
meta-hydroxybenzaldehyde
A
2-nitro-5-hydroxybenzaldehyde
B
5-formyl-2-nitrophenol
Conditions | Yield |
---|---|
With nitric acid | |
With nitric acid |
Conditions | Yield |
---|---|
at 35 - 60℃; |
2-nitro-5-hydroxybenzaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide |
2-nitro-5-hydroxybenzaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide |
meta-hydroxybenzaldehyde
A
2-nitro-5-hydroxybenzaldehyde
Conditions | Yield |
---|---|
With nitric acid | |
With nitric acid |
ethyl (3-formyl-4-nitrophenyl) carbonate
2-nitro-5-hydroxybenzaldehyde
isopropyl alcohol
A
2-nitro-5-hydroxybenzaldehyde
B
3-(hydroxymethyl)-5-methoxy-1,2-dimethyl-1H-indole-4,7-dione
Conditions | Yield |
---|---|
With dinitrogen monoxide In water Kinetics; γ-Irradiation; |
3-formylphenyl methyl carbonate
2-nitro-5-hydroxybenzaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 95 percent / fuming HNO3; conc. H2SO4 2: 92 percent / NaOH / H2O View Scheme | |
Multi-step reaction with 2 steps 1: sulfuric acid; nitric acid / 0 °C 2: sodium hydroxide / water / 1 h / 20 °C View Scheme |
ethyl (3-formylphenyl) carbonate
2-nitro-5-hydroxybenzaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: H2SO4, HNO3 2: aq. NaOH View Scheme | |
Multi-step reaction with 2 steps 1: nitric acid; sulfuric acid / 4.5 h / 0 °C / Inert atmosphere 2: sodium hydroxide / water / 2 h / 20 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: sulfuric acid; nitric acid / 4 h / 0 °C 2: sodium hydroxide / water / 2 h / 20 °C View Scheme |
2-nitro-5-hydroxybenzaldehyde
benzyl chloride
5-benzyloxy-2-nitrobenzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 110℃; for 4h; | 100% |
Stage #1: 2-nitro-5-hydroxybenzaldehyde; benzyl chloride With potassium carbonate In DMF (N,N-dimethyl-formamide) at 20℃; Stage #2: at 60℃; for 20h; | 95% |
Stage #1: 2-nitro-5-hydroxybenzaldehyde; benzyl chloride With potassium carbonate In DMF (N,N-dimethyl-formamide) at 20℃; Stage #2: at 60℃; for 1 - 20h; | 94% |
2-nitro-5-hydroxybenzaldehyde
methyl iodide
5-methoxy-2-nitro-benzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 20℃; for 16h; | 100% |
With potassium carbonate In N,N-dimethyl-formamide at 23℃; for 10h; Inert atmosphere; | 100% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; | 100% |
3,4-dihydro-2H-pyran
2-nitro-5-hydroxybenzaldehyde
2-nitro-5-((tetrahydro-2H-pyran-2-yl)oxy)benzaldehyde
Conditions | Yield |
---|---|
With pyridine; toluene-4-sulfonic acid In hexane; dichloromethane for 12h; | 100% |
With pyridine; toluene-4-sulfonic acid In hexane; dichloromethane for 12h; | 100% |
With toluene-4-sulfonic acid In diethyl ether; dichloromethane at 20℃; for 4h; Etherification; | 90% |
With pyridinium p-toluenesulfonate In dichloromethane at 20℃; for 12h; | 84% |
With pyridinium p-toluenesulfonate In dichloromethane at 20℃; for 16h; Etherification; | 60% |
2-nitro-5-hydroxybenzaldehyde
propargyl bromide
2-nitro-5-(prop-2-yn-1-yloxy)benzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; | 100% |
Stage #1: 2-nitro-5-hydroxybenzaldehyde With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h; Stage #2: propargyl bromide In N,N-dimethyl-formamide at 20℃; for 12h; | 97% |
Stage #1: 2-nitro-5-hydroxybenzaldehyde With potassium carbonate In N,N-dimethyl-formamide Stage #2: propargyl bromide In N,N-dimethyl-formamide for 16h; | 86% |
2-nitro-5-hydroxybenzaldehyde
allyl bromide
5-(allyloxy)-2-nitrobenzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; | 100% |
With N-ethyl-N,N-diisopropylamine; sodium iodide In acetone at 20℃; for 18h; | |
With N-ethyl-N,N-diisopropylamine at 80℃; |
2-nitro-5-hydroxybenzaldehyde
pivaloyl chloride
2,2-dimethyl-propionic acid 3-formyl-4-nitro-phenyl ester
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 0.5h; | 99.5% |
With N-ethyl-N,N-diisopropylamine In acetonitrile at 20 - 25℃; for 1h; | 75% |
2-nitro-5-hydroxybenzaldehyde
dimethyl sulfate
5-methoxy-2-nitro-benzaldehyde
Conditions | Yield |
---|---|
With sodium hydroxide In water at 40℃; for 5h; pH=9 - 10; | 99% |
With potassium hydroxide | 98% |
With alkaline solution at 40℃; | |
With alkaline solution at 60℃; |
2-nitro-5-hydroxybenzaldehyde
acetyl chloride
5-acetoxy-2-nitro-benzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 0 - 20℃; | 99% |
With triethylamine In acetonitrile for 1h; Ambient temperature; |
2-nitro-5-hydroxybenzaldehyde
benzyl bromide
5-benzyloxy-2-nitrobenzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate | 99% |
With potassium carbonate In N,N-dimethyl-formamide at 20 - 80℃; for 2h; | 99% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; | 99% |
5-bromovaleric acid methyl ester
2-nitro-5-hydroxybenzaldehyde
5-(3-Formyl-4-nitro-phenoxy)-pentanoic acid methyl ester
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide | 98% |
2-nitro-5-hydroxybenzaldehyde
chloromethyl methyl ether
2-formyl-4-(methoxymethoxy)-1-nitrobenzene
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; dmap In dichloromethane at 20℃; | 98% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 1h; | 93% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; for 1.5h; Inert atmosphere; | 85% |
With triethylamine In dichloromethane; N,N-dimethyl acetamide; toluene at 20℃; | 73% |
With sodium hydride In tetrahydrofuran at 20℃; for 1.33333h; |
2-nitro-5-hydroxybenzaldehyde
2-iodo-1-methoxyethane
5-(2-methoxyethoxy)-2-nitrobenzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 75℃; for 12h; | 98% |
2-nitro-5-hydroxybenzaldehyde
1-bromo-2-(2-methoxyethoxy)ethane
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 90℃; Inert atmosphere; | 98% |
2-nitro-5-hydroxybenzaldehyde
3-hydroxymethyl-4-nitrophenol
Conditions | Yield |
---|---|
With sodium tetrahydroborate In methanol at 0 - 20℃; | 97% |
With sodium tetrahydroborate In methanol at 0 - 20℃; for 1h; | 97% |
With methanol; sodium tetrahydroborate at 0 - 20℃; for 3h; Inert atmosphere; | 94% |
2-Methoxyethoxymethyl chloride
2-nitro-5-hydroxybenzaldehyde
5-((2-methoxy)ethoxymethoxy)-2-nitrobenzaldehyde
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 4h; | 97% |
2-nitro-5-hydroxybenzaldehyde
diethyl malonate
Conditions | Yield |
---|---|
With iron(III) chloride; N-fluorobis(benzenesulfon)imide In neat (no solvent) at 60℃; for 24h; Knoevenagel Condensation; Inert atmosphere; Green chemistry; | 97% |
4-bromoethylbutanoate
2-nitro-5-hydroxybenzaldehyde
ethyl 4-((3-formyl-4-nitrophenyl)oxy)butyrate
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 1h; | 95% |
With potassium carbonate In N,N-dimethyl-formamide at 90 - 105℃; for 1.5h; | 86% |
With potassium carbonate In N,N-dimethyl-formamide for 12h; Inert atmosphere; | 83% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide for 8h; Etherification; Heating; | 95% |
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 12h; Inert atmosphere; |
2-nitro-5-hydroxybenzaldehyde
N-chloroethylpiperidine hydrochloride
2-nitro-5-(2-piperidin-1-ylethoxy)benzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 4h; | 95% |
With potassium carbonate In N,N-dimethyl-formamide at 45℃; for 16h; | 85% |
2-nitro-5-hydroxybenzaldehyde
4-(2-chloroethyl)morpholine hydrochride
5-(2-morpholinoethoxy)-2-nitrobenzaldehyde hydrochloride
Conditions | Yield |
---|---|
Stage #1: 2-nitro-5-hydroxybenzaldehyde; 4-(2-chloroethyl)morpholine hydrochride With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 0.666667h; Stage #2: With hydrogenchloride In methanol; ethyl acetate at 0℃; | 95% |
2-nitro-5-hydroxybenzaldehyde
p-toluic hydrazide
Conditions | Yield |
---|---|
In methanol at 20℃; for 1h; | 95% |
6-bromo-hexanoic acid ethyl ester
2-nitro-5-hydroxybenzaldehyde
6-(3-Formyl-4-nitro-phenoxy)-hexanoic acid ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide | 94% |
ethyl 7-bromoheptanoate
2-nitro-5-hydroxybenzaldehyde
7-(3-Formyl-4-nitro-phenoxy)-heptanoic acid ethyl ester
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide | 94% |
allyl iodid
2-nitro-5-hydroxybenzaldehyde
Conditions | Yield |
---|---|
With stannous fluoride In N,N-dimethyl-formamide | 94% |
{2-[(pyridin-2-ylmethyl)amino]ethyl}carbamic acid tert-butyl ester
2-nitro-5-hydroxybenzaldehyde
(2-[(5-hydroxy-2-nitro-benzyl)-pyridin-2-ylmethyl-amino]-ethyl)-carbamic acid tert-butyl ester
Conditions | Yield |
---|---|
With sodium tris(acetoxy)borohydride In 1,2-dichloro-ethane at 40℃; Inert atmosphere; Molecular sieve; | 94% |
2-nitro-5-hydroxybenzaldehyde
formamide
N-[formamido-(5-hydroxy-2-nitrophenyl)methyl]formamide
Conditions | Yield |
---|---|
With hydrogenchloride In 1,4-dioxane at 25℃; for 16h; | 93.4% |
With hydrogenchloride for 12h; Ambient temperature; | 84% |
With hydrogenchloride at 20 - 90℃; Inert atmosphere; | 73% |
With hydrogenchloride |
2-nitro-5-hydroxybenzaldehyde
2-chloroethyl tosylate
5-(2-chloroethoxy)-2-nitrobenzaldehyde
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; | 93% |
2-nitro-5-hydroxybenzaldehyde
4-<(3-chloropropyl)sulfonyl>piperazine-1-carboxaldehyde
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 105℃; for 1.25h; | 93% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 20℃; | 93% |
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