Products

Refine

Country

Business Type

Certificate

Display

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

L-xylo-2-Hexulosonicacid Manufacturer/High quality/Best price/In stock

Cas:526-98-7

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Ality Chemical Corporation

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

Factory Supply L-xylo-hex-2-ulosonic acid

Cas:526-98-7

Min.Order:1

Negotiable

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Our 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

TIANFU-CHEM_L-xylo-2-Hexulosonicacid 526-98-7

Cas:526-98-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

L-xylo-2-Hexulosonicacid

Cas:526-98-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

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

L-xylo-2-Hexulosonicacid

Cas:526-98-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

L-xylo-hex-2-ulosonic acid

Cas:526-98-7

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

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

L-xylo-2-Hexulosonicacid

Cas:526-98-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

2-Keto-L-gulonic acid

Cas:526-98-7

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

L-xylo-hex-2-ulosonic acid

Cas:526-98-7

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

L-Xylo-hex-2-ulosonic acid

Cas:526-98-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

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

Acmec Gulonic acid 5g

Cas:526-98-7

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

L-xylo-hex-2-ulosonic acid

Cas:526-98-7

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

L-xylo-2-HexulosonicacidAppearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals

L-xylo-2-Hexulosonicacid

Cas:526-98-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

best seller Application:API

L-xylo-hex-2-ulosonic acid

Cas:526-98-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

L-xylo-2-Hexulosonicacid cas 526-98-7Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

L-xylo-2-Hexulosonicacid cas 526-98-7

Cas:526-98-7

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

L-xylo-hex-2-ulosonic acid

Cas:526-98-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

526-98-7

Cas:526-98-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Guangzhou Lanning Biotechnology Co., Ltd

Provide HPLC,HNMR,MS and COA. Package:Glass bottles Application:scientific research Transportation:by air

Ascorbic Acid EP Impurity C (L-xylo-2-Hexulosonic acid)

Cas:526-98-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

L-xylo-hex-2-ulosonic acid

Cas:526-98-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

L-xylo-hex-2-ulosonic acid

Cas:526-98-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

L-xylo-hex-2-ulosonic acid

Cas:526-98-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ORCHID CHEMICAL SUPPLIES LTD

intermediate of penem Product Name: 2-Keto-L-Gulonic acid 2-Keto-L-Gulonic acid ;cas: 526-98-7 2-Keto-L-Gulonic acid ;cas: 526-98-7 Port:shanghai,ningbo,tianjin,qingdao

L-xylo-2-Hexulosonicacid

Cas:526-98-7

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

L-xylo-hex-2-ulosonic acid

Cas:526-98-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Finetech Industry Limited

FINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the 2-Keto-L-gulonsure, CAS:526-98-7 with the most competitive price and the best quality

2-Keto-L-gulonsure

Cas:526-98-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Topbatt Chemical Co., Ltd.

Topbatt Chemical Co., Ltd., Established in 2019, located in Shenzhen, Guangdong Province, is a Manufacturer and Trading company which specialized in fine chemicals like Pharmaceutical Reference Standards and Stable Isotopes. Our Stable Isotopes produ

Ascorbic Acid EP Impurity C (L-xylo-2-Hexulosonic acid)

Cas:526-98-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shenzhen Sumshine Biotech Co., Ltd.

1. Our staff are all biomedical related majors with rich experience in the pharmaceutical industry, and can provide you with more professional services.2. Our supplier has a good quality management system, and the quality of products is reliable and

Ascorbic Acid EP Impurity C (L-xylo-2-Hexulosonic acid)

Cas:526-98-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

methanol
67-56-1

methanol

L-sorbose
87-79-6

L-sorbose

copper diacetate
142-71-2

copper diacetate

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
Behandeln einer wss.Loesung des von Kupfer-Ionen befreiten Reaktionsprodukts mit Brom;
L-sorbose
87-79-6

L-sorbose

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
With oxygen; Pt/Al2O3 at 50℃; under 750.06 Torr; for 2.86667h; other catalysts; var. reaction time;39 % Chromat.
With hexamethylenetetramine; oxygen; platinum on activated charcoal In water at 50℃; under 750.06 Torr; Product distribution; Kinetics; var. of pH, base, catalyst;
With pyridine; oxygen; Pt/Al2O3 In water at 50℃; under 750.06 Torr; Rate constant; var. tertiary amines or tetraalkylammonium hydroxide, var. supports of Pt catalyst;
L-sorbosone
49865-02-3

L-sorbosone

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
With water; bromine im diffusen Licht;
O2,O3;O4,O6-dicyclohexylidene-α-L-xylo-[2]hexulofuranosonic acid
52507-87-6

O2,O3;O4,O6-dicyclohexylidene-α-L-xylo-[2]hexulofuranosonic acid

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
With water
With water
sodium gluconate
6027-87-8

sodium gluconate

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
With sodium chlorate; vanadia
D-sorbitol
50-70-4

D-sorbitol

A

L-idonic acid
1114-17-6

L-idonic acid

B

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
Gluconobacter melanogenus IFO 3293 mutant; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
D-sorbitol
50-70-4

D-sorbitol

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
Gluconobacter melanogenus IFO 3293 mutant; Yield given;
Multi-step reaction with 3 steps
1: 31 percent
2: 46 percent / NaI, Ca(OH)2 / H2O / 1 h / 20 °C / anode - platinum, cathode - stainless steel
3: 0.1N aq. HCl / 1 h / 90 °C
View Scheme
L-sorbose
87-79-6

L-sorbose

A

L-idonic acid
1114-17-6

L-idonic acid

B

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
Gluconobacter melanogenus IFO 3293 mutant; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
3,5,4,6-diethylidene-L-xylo-2-hexulosonic acid
136090-58-9

3,5,4,6-diethylidene-L-xylo-2-hexulosonic acid

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
With hydrogenchloride at 90℃; for 1h;
2,5-diketo-D-gluconic acid
2595-33-7

2,5-diketo-D-gluconic acid

A

fructonic acid
669-90-9

fructonic acid

B

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

C

D-lyxo-hex-5-ulosonic acid
13425-76-8

D-lyxo-hex-5-ulosonic acid

D

5-keto-D-gluconic acid
5287-64-9

5-keto-D-gluconic acid

Conditions
ConditionsYield
With Ru-TPPTS; sulfuric acid; hydrogen; sodium iodide In water at 27℃; under 7500.6 Torr; for 8h; Product distribution; other pH, temperature, reaction time, hydrogen pressure, catalyst amount;
L-sorbose
87-79-6

L-sorbose

nitric acid
7697-37-2

nitric acid

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
L-sorbose
87-79-6

L-sorbose

sulfuric acid
7664-93-9

sulfuric acid

dihydrogen peroxide
7722-84-1

dihydrogen peroxide

iron(II) sulfate

iron(II) sulfate

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
calcium salt of/the/ L-gulonic acid

calcium salt of/the/ L-gulonic acid

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
With chromium(VI) oxide; iron(III) sulfate; water
calcium salt of/the/ L-idonic acid

calcium salt of/the/ L-idonic acid

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
With chromium(VI) oxide; iron(III) sulfate; water
durch aerobe Oxidation mit Hilfe von Enzym-Praeparaten aus Pseudomonas fluorescens;
calcium salt of/the/ D-gluconic acid

calcium salt of/the/ D-gluconic acid

calcium salt of/the/ L-idonic acid

calcium salt of/the/ L-idonic acid

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
durch aerobe Oxidation mit Hilfe eines Enzym-Praeparats aus Pseudomonas fluorescens;
durch aerobe Oxidation mit Hilfe von Enzym-Praeparaten aus Pseudomonas chromo-spirans;
tetrachloromethane
56-23-5

tetrachloromethane

L-sorbose
87-79-6

L-sorbose

dinitrogen tetraoxide
10544-72-6

dinitrogen tetraoxide

calcium sulfate

calcium sulfate

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
Behandeln der Calcium-Salze der erhaltenen Saeuren mit Oxalsaeure in Wasser;
O2,O3;O4,O6-diisopropylidene-α-L-xylo-<2>hexulofuranosonic acid-hydrate

O2,O3;O4,O6-diisopropylidene-α-L-xylo-<2>hexulofuranosonic acid-hydrate

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
With water
L-sorbose
87-79-6

L-sorbose

aqueous sodium hydrogencarbonate

aqueous sodium hydrogencarbonate

air

air

platinum/charcoal

platinum/charcoal

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
at 25℃; Schuetteln (16-72 h);
L-sorbose
87-79-6

L-sorbose

water
7732-18-5

water

oxygen

oxygen

platinum/charcoal

platinum/charcoal

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
at 4 - 80℃; pH (3.6-8.4);
L-sorbose
87-79-6

L-sorbose

nitric acid
7697-37-2

nitric acid

sodium nitrite

sodium nitrite

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
sodium-salt of/the/ L-gulonic acid

sodium-salt of/the/ L-gulonic acid

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
With water; sodium acetate; acetic acid und Vanadium(V)-oxid und Natriumchlorat;
sodium-salt of/the/ L-idonic acid

sodium-salt of/the/ L-idonic acid

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
With water; acetic acid; sodium bromide und Chrom(VI)-oxid bei der anodischen Oxidation;
With sodium chlorate; phosphoric acid; water anschl. mit Methanol und Vandium(V)-oxid;
L-sorbose
87-79-6

L-sorbose

aqueous NaOH-solution

aqueous NaOH-solution

oxygen

oxygen

platinum/charcoal

platinum/charcoal

A

L-threonic acid
7306-96-9

L-threonic acid

B

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

C

oxalic acid
144-62-7

oxalic acid

Conditions
ConditionsYield
L-sorbopyranose
7270-77-1

L-sorbopyranose

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
With oxygen; sodium carbonate; hyper-cross-linked polystyrene-Pt-THF at 70℃; for 3.66667h; pH=5.9; Product distribution; Further Variations:; Temperatures; pH-values;
calcium-salt of/the/ L-idonic acid

calcium-salt of/the/ L-idonic acid

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
durch aerobe Oxidation mit Hilfe von Enzym-Praeparaten aus Pseudomonas-Arten sowie aus Acetobacter aerogenes;
1,3:2,4-di-O-ethylidene-D-sorbitol
50895-31-3

1,3:2,4-di-O-ethylidene-D-sorbitol

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 46 percent / NaI, Ca(OH)2 / H2O / 1 h / 20 °C / anode - platinum, cathode - stainless steel
2: 0.1N aq. HCl / 1 h / 90 °C
View Scheme
L-xylo-[2]hexosulose bis-phenylhydrazone
5934-57-6

L-xylo-[2]hexosulose bis-phenylhydrazone

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: benzaldehyde; water; ethanol / Reagens: Essigsaeure
2: water; bromine / im diffusen Licht
View Scheme
O2,O3;O4,O6-dicyclohexylidene-α-L-sorbofuranose
20880-90-4

O2,O3;O4,O6-dicyclohexylidene-α-L-sorbofuranose

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; potassium hydroxide; potassium permanganate
2: water
View Scheme
Reaxys ID: 11364755

Reaxys ID: 11364755

A

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

B

ascorbic acid
50-81-7

ascorbic acid

Conditions
ConditionsYield
In Tri-n-octylamine; 8-methyl-1-nonanol; tri(n-decyl)amine; water at 30℃; Purification / work up;
2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

L-xylo-[2]hexulosonic acid methyl ester
3031-98-9

L-xylo-[2]hexulosonic acid methyl ester

Conditions
ConditionsYield
With methanol; diethyl ether at -10℃;
Diazoethan
1117-96-0

Diazoethan

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

L-xylo-[2]hexulosonic acid ethyl ester
5965-56-0

L-xylo-[2]hexulosonic acid ethyl ester

Conditions
ConditionsYield
With ethanol
methanol
67-56-1

methanol

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

L-xylo-[2]hexulosonic acid methyl ester
3031-98-9

L-xylo-[2]hexulosonic acid methyl ester

Conditions
ConditionsYield
With hydrogenchloride; trimethyl orthoformate
With hydrogenchloride; dimethylsulfite
With acidic cationen-exchanger
sulfuric acid at 65 - 66℃; under 760.051 Torr; for 2 - 2.5h;90 - 97 %Chromat.
propan-1-ol
71-23-8

propan-1-ol

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

L-xylo-[2]hexulosonic acid propyl ester
109848-63-7

L-xylo-[2]hexulosonic acid propyl ester

Conditions
ConditionsYield
With acidic cationen-exchanger
ethanol
64-17-5

ethanol

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

L-xylo-[2]hexulosonic acid ethyl ester
5965-56-0

L-xylo-[2]hexulosonic acid ethyl ester

Conditions
ConditionsYield
With acidic cationen-exchanger
i-Amyl alcohol
123-51-3

i-Amyl alcohol

2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

L-xylo-[2]hexulosonic acid isopentyl ester
110462-68-5

L-xylo-[2]hexulosonic acid isopentyl ester

Conditions
ConditionsYield
With acidic cationen-exchanger
2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

2-methyl-propan-1-ol
78-83-1

2-methyl-propan-1-ol

L-xylo-[2]hexulosonic acid isobutyl ester
113535-34-5

L-xylo-[2]hexulosonic acid isobutyl ester

Conditions
ConditionsYield
With acidic cationen-exchanger
2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

ascorbic acid
50-81-7

ascorbic acid

Conditions
ConditionsYield
With hydrogenchloride; water; butan-1-ol
With water at 100℃;
With hydrogenchloride; water
2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

isopropyl alcohol
67-63-0

isopropyl alcohol

L-xylo-[2]hexulosonic acid isopropyl ester
88669-03-8

L-xylo-[2]hexulosonic acid isopropyl ester

Conditions
ConditionsYield
With acidic cationen-exchanger
2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

benzyl alcohol
100-51-6

benzyl alcohol

L-xylo-[2]hexulosonic acid benzyl ester
98056-03-2

L-xylo-[2]hexulosonic acid benzyl ester

Conditions
ConditionsYield
With cationen-exchanger at 130℃;
2-keto-L-gulonic acid
526-98-7

2-keto-L-gulonic acid

butan-1-ol
71-36-3

butan-1-ol

L-xylo-[2]hexulosonic acid butyl ester
98055-99-3

L-xylo-[2]hexulosonic acid butyl ester

Conditions
ConditionsYield
With acidic cationen-exchanger

Hot Products

Post buying leads

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