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 quantiti
Cas:141-82-2
Min.Order:100 Gram
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inquiryAppearance:White crystal Storage:keep in cool and dry place Package:25kg/drum Application:Pharmaceutical, metal surface treatment etc Transportation:by sea Port:Shanghai, China
Appearance:white crystal powder Package:25kg/drum or 25kg/bag Application:?used in pharmaceutical intermediate, including?Diclazuril, durabolin, p-coumaric acid, vitaminB1 , B2 , B6 , flavor, adhesive and resin additive, or used as plating polishi
Cas:141-82-2
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inquiryItems Standard Result Appearance White crystal White crystal Assay
Cas:141-82-2
Min.Order:1 Kilogram
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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
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inquiryProduct Description CAS 141-82-2 Malonic acid Product Description Product Name Malonic acid CAS No.
Cas:141-82-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:141-82-2
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inquiryMalonic acid Product attributes Product name: Malonic acid Other Names: Propanedioic acid; Methane dicardonic acid; Methanadicarboxylic acid; Carboxyacetic acid; propanedioate; Malonic acid EINECS NO
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
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Cas:141-82-2
Min.Order:1 Gram
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Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
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Cas:141-82-2
Min.Order:1 Kilogram
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Type:Other
inquiryChemwill Asia co.,Ltd is one of the leading manufacturer in CHINA. Product quality, process, price and service Malonic acid CAS 141-82-2 1,3-Propanedioic acid IN Stock Propanedioic acid CAS 141-82-2 141-82-2 CAS 141-82-2 highly quality and
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Min.Order:5 Kiloliter
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Type:Manufacturers
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 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 on.O
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Min.Order:1 Kilogram
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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
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Min.Order:1 Kilogram
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Min.Order:10 Kilogram
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inquiryItem malonic acid Appearance White crystal powder Model 141-82-2 Use Mainly used i
Cas:141-82-2
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
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inquiryAppearance:White crystalline powder Storage:R.T Package:25kg/drum Application:Used in intermediates Transportation:Air/Sea/Express Port:Any port in China
Cas:141-82-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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Hangzhou Ocean chemical Co.,Ltd is a chemical supplier that provides stable product quality, unique technical support and high quality service for global customers, Headquarters is located at Hangzhou with superior entrepreneurial environment a
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inquiryProduct Name: Malonic acid CAS: 141-82-2 MF: C3H4O4 MW: 104.06 EINECS: 205-503-0 Mol File: 141-82-2.mol Malonic acid Structure Malonic acid Chemical Properties Melting point 132-135 °C (dec.) (lit.) Boiling point 140℃(
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Min.Order:1 Gram
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Type:Lab/Research institutions
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Cas:141-82-2
Min.Order:10 Gram
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Type:Trading Company
inquiryHebei Mojin Biotechnology Co., Ltd, Our company is a professional in lead acetate, diphenyl ethylamine and other chemical raw materials and chemical reagents research and development production enterprises. Our business covers more than 30 countrie
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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
Conditions | Yield |
---|---|
With C4H11FeMo6NO24(3-)*3C16H36N(1+); water; oxygen; sodium carbonate at 50℃; under 760.051 Torr; for 8h; Green chemistry; | 99% |
With 4H3N*4H(1+)*CuMo6O18(OH)6(4-); water; oxygen; sodium carbonate at 50℃; under 760.051 Torr; for 12h; | 93% |
Conditions | Yield |
---|---|
With sodium hydroxide In water | 97% |
With sodium hydroxide elektrochemische Oxydation, am besten an einer Nickelanode; |
Conditions | Yield |
---|---|
With water at 70 - 80℃; | 97% |
With water; sodium hydroxide In methanol at 80℃; for 1h; |
Conditions | Yield |
---|---|
With acetic acid In water at 70 - 80℃; Reagent/catalyst; | 95% |
With hydrogen ethyl malonate; sulfuric acid at 70℃; under 175 Torr; Abdestillieren des entstehenden Aethanols; | |
With malonic acid; sulfuric acid at 70℃; under 175 Torr; Abdestillieren des entstehenden Aethanols; |
malonic acid dihydrazide
carbon disulfide
A
malonic acid
B
2,5-Dimercapto-1,3,4-thiadiazole
Conditions | Yield |
---|---|
Stage #1: malonic acid dihydrazide; carbon disulfide With potassium hydroxide In ethanol for 3h; Rearrangement; cyclization; Heating; Stage #2: With hydrogenchloride In ethanol Hydrolysis; ring cleavage; | A n/a B 90% |
Conditions | Yield |
---|---|
With niobium(V) oxide; water In neat (no solvent) for 30h; Reflux; Inert atmosphere; | 82% |
malonic acid dimethyl ester
A
malonic acid
B
Malonic acid monomethyl ester
Conditions | Yield |
---|---|
Stage #1: malonic acid dimethyl ester With potassium hydroxide; water In acetonitrile at 0℃; for 1h; Stage #2: With hydrogenchloride; water In acetonitrile Product distribution / selectivity; | A n/a B 81% |
Stage #1: malonic acid dimethyl ester With water; potassium hydroxide at 0℃; for 1.5h; Stage #2: Acidic aq. solution; | A 9.8% B 76% |
Conditions | Yield |
---|---|
Stage #1: diethyl malonate With water; potassium hydroxide In tetrahydrofuran at 0℃; for 0.5h; Stage #2: In tetrahydrofuran; water Acidic conditions; | A 8.3% B 76.9% |
Stage #1: diethyl malonate With water; potassium hydroxide at 0℃; for 6h; Stage #2: Acidic aq. solution; | A 36.6% B 35.6% |
Conditions | Yield |
---|---|
With phosphotungstic acid; dihydrogen peroxide; cetylpyridinium bromide In water at 85℃; for 5h; Concentration; Green chemistry; | A 49.8% B 60.7% |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In dichloromethane at 20℃; for 18h; | 60% |
Conditions | Yield |
---|---|
With iron disulphate; dihydrogen peroxide at 2℃; | A 16% B 12% C 58% |
Conditions | Yield |
---|---|
With potassium hydroxide; potassium permanganate at 0℃; for 0.05h; | A 8.5% B 57% |
With potassium hydroxide; potassium permanganate In water at 0℃; for 0.05h; Product distribution; Mechanism; | A 8.5% B 57% |
5-diazo-2,2-dimethyl-1,3-dioxane-4,6-dion
A
6,6-dimethyl-4,8-dioxo-5,7-dioxa-1,2-diazaspiro<2.5>oct-1-ene
B
cycl-isopropylidene malonate
C
tartronic acid
D
malonic acid
E
2,2-dimethyl-5-oxo-1,3-dioxolane-4-carboxylic acid
Conditions | Yield |
---|---|
In tetrahydrofuran; water for 3.5h; Product distribution; Irradiation; | A 14% B 5% C 12% D 6% E 56% |
ethyl malonamate
A
acetamide
B
malonic acid
C
hydrogen ethyl malonate
D
acetic acid
Conditions | Yield |
---|---|
With phthalic anhydride at 240 - 250℃; under 3040 Torr; for 1h; Hydrolysis; | A n/a B n/a C 53% D n/a |
2,5-dihydroxy-1,4-benzoquinone
A
malonic acid
B
carbon dioxide
C
acetic acid
Conditions | Yield |
---|---|
With dihydrogen peroxide In water at 39.99℃; for 0.333333h; Kinetics; Thermodynamic data; Mechanism; Temperature; Time; | A 52.1% B n/a C n/a |
methanol
cycl-isopropylidene malonate
indan-1,2,3-trione hydrate
A
malonic acid
Conditions | Yield |
---|---|
Stage #1: cycl-isopropylidene malonate; indan-1,2,3-trione hydrate With montmorillonite K10 clay In methanol at 20℃; for 0.0833333h; Stage #2: methanol In ethyl acetate | A n/a B 40% |
Conditions | Yield |
---|---|
Sonication; | A 40% B 30% C 13% |
cyclohexa-1,4-diene
malonic acid
Conditions | Yield |
---|---|
With ozone In methanol for 1h; Product distribution; Heating; followed by reaction with aq. H2O2 / HCOOH; | 30% |
With formic acid; dihydrogen peroxide; ozone 1.) methanol, -40 deg C, 2.) reflux, 1 h; Yield given. Multistep reaction; |
D-glucose
A
formic acid
B
glycolic Acid
C
L-Lactic acid
D
malonic acid
E
succinic acid
F
oxalic acid
G
acetic acid
H
propionic acid
I
2-oxo-propionic acid
J
maleic acid
Conditions | Yield |
---|---|
With sodium silicate; water at 300℃; under 64356.4 Torr; for 0.0166667h; Reagent/catalyst; Sealed tube; | A n/a B n/a C 30% D n/a E n/a F n/a G n/a H n/a I n/a J n/a |
cycl-isopropylidene malonate
ethanol
indan-1,2,3-trione hydrate
A
malonic acid
B
ethyl (2'-hydroxyindane-1',3'-dione-2'-yl)acetate
Conditions | Yield |
---|---|
Stage #1: cycl-isopropylidene malonate; indan-1,2,3-trione hydrate With montmorillonite K10 clay In ethanol at 20℃; for 0.0833333h; Stage #2: ethanol In ethyl acetate | A n/a B 25% |
cyclohexene
A
pentanal
B
Succinic semialdehyde
C
malonic acid
D
oxalic acid
Conditions | Yield |
---|---|
With ozone at 24.85℃; Product distribution; in dark; | A 17.05% B 6.9% C 6.88% D 6.16% |
Conditions | Yield |
---|---|
With water for 0.833333h; argon plasma-jet; | 13% |
Conditions | Yield |
---|---|
With potassium hydroxide |
mucobromic acid
malonic acid
Conditions | Yield |
---|---|
With barium dihydroxide beim Kochen; |
propene
malonic acid
Conditions | Yield |
---|---|
With potassium permanganate |
Conditions | Yield |
---|---|
With water | |
With water In diethyl ether C3O2 dissolved in ether;; | |
With water; hydrogenchloride In water | |
With water In water during hours;; | >99 |
With water In water |
Conditions | Yield |
---|---|
With oxygen in Gegenwart einer dialysierten Enzymloesung aus Schweineherz und von MnCl2; |
malonic acid
Conditions | Yield |
---|---|
With nitric acid |
Conditions | Yield |
---|---|
With acetic acid at 20℃; for 1h; | 100% |
With acetic acid |
5-methylthiophene-2-carboxaldehyde
malonic acid
(E)-3-(5-methyl-2-thienyl)-2-propenoic acid
Conditions | Yield |
---|---|
With piperidine; pyridine Heating; | 100% |
With piperidine; pyridine Reflux; | 66% |
With piperidine; pyridine Heating / reflux; | 66% |
Conditions | Yield |
---|---|
With boron trifluoride at 65℃; for 0.333333h; | 100% |
zirconium(IV) oxide; molybdenum at 84.85℃; for 6h; Esterification; | 95% |
iodine for 15h; Heating; | 94% |
malonic acid
(1S,2R,5S)-(+)-menthol
Malonsaeure-bis<(1R)-menthyl>ester
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In diethyl ether for 2h; Ambient temperature; | 100% |
at 100℃; Einleiten von HCl; |
Conditions | Yield |
---|---|
With pyridine In ethanol for 1.75h; Knoevenagel condensation; Inert atmosphere; Reflux; | 100% |
With ammonium acetate for 0.0666667h; Irradiation; | 95% |
Stage #1: malonic acid; 4-nitrobenzaldehdye With piperidine; pyridine Knoevenagel-Doebner reaction; Reflux; Stage #2: With hydrogenchloride In water Cooling with ice; optical yield given as %de; | 95% |
Conditions | Yield |
---|---|
With piperidine; pyridine | 100% |
With piperidine; pyridine at 115℃; for 3h; Knoevenagel Condensation; | 93% |
With pyridine for 1h; Heating; | 82% |
Conditions | Yield |
---|---|
Stage #1: malonic acid; cyclohexanecarbaldehyde With piperidine; pyridine at 20 - 80℃; for 6h; Doebner reaction; Stage #2: With hydrogenchloride In water Cooling with ice; | 100% |
With piperidine; pyridine | 97% |
With piperidine; pyridine |
4-Trifluoromethylbenzaldehyde
malonic acid
4-(trifluoromethyl)cinnamic acid
Conditions | Yield |
---|---|
With pyridine; aniline In toluene for 18h; Doebner Modification; Reflux; | 100% |
With pyridine; ammonium acetate at 85℃; for 5h; Darkness; | 65.36% |
3-formyl-5,5'-dimethyl-2,2'-bithiophene
malonic acid
Conditions | Yield |
---|---|
With piperidine; pyridine for 2h; Heating; | 100% |
malonic acid
3-methoxy-4-methylbenzaldehyde
3-(3-Methoxy-4-methylphenyl)-2-propenoic acid
Conditions | Yield |
---|---|
Stage #1: malonic acid; 3-methoxy-4-methylbenzaldehyde With piperidine; pyridine for 2.5h; Heating / reflux; Stage #2: With hydrogenchloride In water | 100% |
In piperidine; pyridine for 2.5h; Heating / reflux; | 100% |
With piperidine; pyridine for 5h; Heating; | 99.7% |
malonic acid
1-methoxypyrene-8-carboxaldehyde
Conditions | Yield |
---|---|
With piperidine; pyridine 1.) from 80 deg C to 85 deg C, 30 min, 2.) reflux, 4 h; | 100% |
Conditions | Yield |
---|---|
copper(I) oxide In dimethyl sulfoxide at 110 - 120℃; for 1.5h; Product distribution / selectivity; | 100% |
copper(I) oxide In N,N-dimethyl-formamide at 110 - 120℃; for 1.5h; Product distribution / selectivity; | 100% |
In neat (no solvent) at 141℃; Kinetics; Thermodynamic data; ΔH(excit.), ΔS(excit.), ΔF(excit.); further solvent; |
Conditions | Yield |
---|---|
With pyridine; glycine at 80℃; for 3h; Catalytic behavior; Reagent/catalyst; Sealed tube; | 100% |
With triton-B adsorbed on flyash In neat (no solvent) for 0.0152778h; Microwave irradiation; Green chemistry; | 96% |
Stage #1: malonic acid With triethylamine In toluene Knoevenagel Condensation; Stage #2: 4-hydroxy-benzaldehyde With piperidine In toluene for 2h; Knoevenagel Condensation; Reflux; | 88% |
malonic acid
methyl 4-formylbenzoate
4-(2-carboxyvinyl)benzoic acid methyl ester
Conditions | Yield |
---|---|
With piperidine; pyridine at 120℃; for 12h; | 100% |
With piperidine In pyridine at 100 - 120℃; for 19h; | 99.39% |
With piperidine; pyridine at 80 - 100℃; for 4h; | 91.6% |
With piperidine; pyridine at 110℃; for 2h; | 75% |
With piperidine; pyridine for 5h; Reflux; | 36% |
malonic acid
[tert-Butoxycarbonyl-(2-formyl-phenyl)-amino]-acetic acid methyl ester
(E)-3-[2-(tert-Butoxycarbonyl-methoxycarbonylmethyl-amino)-phenyl]-acrylic acid
Conditions | Yield |
---|---|
With piperidine; pyridine for 1h; Ambient temperature; | 100% |
Conditions | Yield |
---|---|
With piperidine; pyridine for 2.5h; Heating / reflux; Neat (no solvent); | 100% |
With piperidine; pyridine for 2.5h; Heating / reflux; | 100% |
With piperidine; pyridine at 100℃; Condensation; |
Conditions | Yield |
---|---|
With pyridine; aniline In toluene for 18h; Doebner Modification; Reflux; | 100% |
With triton-B adsorbed on flyash In neat (no solvent) for 0.0125h; Microwave irradiation; Green chemistry; | 96% |
With 1,4-diaza-bicyclo[2.2.2]octane In N,N-dimethyl-formamide at 100 - 110℃; for 1.25h; Knoevenagel-Doebner-Stobbe Reaction; | 95% |
malonic acid
2-(vinyloxy)ethyl isothiocyanate
Conditions | Yield |
---|---|
at 65 - 100℃; for 0.166667h; | 100% |
4-Bromothiophen-2-aldehyde
malonic acid
trans-3-(4-bromothiophen-2-yl)propenoic acid
Conditions | Yield |
---|---|
With piperidine; pyridine at 100℃; | 100% |
Stage #1: 4-Bromothiophen-2-aldehyde; malonic acid With piperidine; pyridine at 100℃; for 24h; Stage #2: With hydrogenchloride In water pH=3; | 100% |
piperidine In pyridine at 100℃; for 22h; Knoevenagel reaction; | 96% |
malonic acid
3-methoxy-4-methylbenzaldehyde
Conditions | Yield |
---|---|
Stage #1: malonic acid; 3-methoxy-4-methylbenzaldehyde With piperidine; pyridine for 11h; Heating / reflux; Stage #2: With hydrogenchloride In water | 100% |
malonic acid
(-)-8-phenylmenthol
Bis<(1S,2R,4R)-2-methyl-5-(1-methyl-1-phenylethyl)cyclohexyl>malonate
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In diethyl ether at 20℃; for 0.5h; | 100% |
malonic acid
Methyl 3-formylbenzoate
(E)-3-(3-methoxycarbonylphenyl)acrylic acid
Conditions | Yield |
---|---|
With PYRIMIDINE In N,N-dimethyl-formamide at 90℃; for 10h; Inert atmosphere; | 100% |
With piperidine; pyridine Knoevenagel Condensation; Reflux; | 75% |
With piperidine; pyridine at 80℃; for 4h; | 72% |
Conditions | Yield |
---|---|
In tetrahydrofuran for 0.5h; | 100% |
In tetrahydrofuran Product distribution / selectivity; |
Conditions | Yield |
---|---|
With triethylamine In acetonitrile Inert atmosphere; Reflux; | 100% |
Conditions | Yield |
---|---|
Stage #1: (E)-3-[5,10,15,20-tetrakis(3,5-dimethylphenyl)porphyrin-2-yl]-2-propenal; malonic acid With ammonium acetate; acetic acid at 70℃; for 3h; Stage #2: zinc diacetate at 70℃; for 0.25h; | 100% |
Conditions | Yield |
---|---|
In water; acetone for 0.166667h; | 100% |
malonic acid
3-[4-(1-ethoxycarbonylpiperidin-4-ylidene)-9,10-dihydro-4H-1-thiabenzo[f]azulen-2-yl]acrylic acid
Conditions | Yield |
---|---|
With piperidine; hydrogenchloride In pyridine Reflux; | 100% |
malonic acid
methyl 2,3-O-isopropylidene-α-D-mannopyranoside-4,6-cyclic sulfate
Conditions | Yield |
---|---|
Stage #1: malonic acid; methyl-2,3-O-isopropylidene-4,6-cyclic sulfate-α-D-mannopyranoside With sodium hydride In N,N-dimethyl-formamide Stage #2: In tetrahydrofuran; methanol regioselective reaction; | 100% |
Conditions | Yield |
---|---|
at 100℃; | 100% |
at 20℃; for 24h; | |
at 50 - 120℃; | |
at 80℃; |
Conditions | Yield |
---|---|
With piperidine; pyridine at 95℃; | 100% |
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