Shijiazhuang Dowell Chemical Co.,Ltd founded in 2006, it is a fine chemical private enterprise of technological development, technological service and industrial production. We consistently devote to new product development and production. We insist to build core competitiveness with scientific and technical innovation. A complete product system has been built: lab for basic research, semi-works for miniature customization, and factory for industrial manufacture. Our research direction and main service are medical and pesticide intermediate, developing prospective medical intermediate. A series of products are formed mainly including medicine and pesticide intermediates, pyridine derivatives. Especially for 2,2-Dimethyl Butyric Acid(DMBA) and 2,2-Dimethylbutyryl chloride(DMBC), we have the largest capacity and market occupancy in the world, our quality is stable and dependable. We have established product line of 3,3-Dimethyl Butyric Acid and 3,3-Dimethylbutyryl chloride, annual capacity reaches 400Mt. Capacity of 4-Chlorophenylhydrazine hydrochloride reaches 400Mt/year,Capacity of 4-Chlorophenylhydrazine hydrochloride reaches 720Mt/year, capacity of 1-(4-chlorophenyl)-3-hydroxy-1-h-pyrazole is 720Mt. capacity of 1-(4-Chlorophenyl)-3-[(2-nitrophenyl)methoxy]-1H-pyrazole is 400Mt. Besides some domestic distribution, our products are mainly sold to Europe, USA, India, Korea, etc. Many of our products maintain technological leadership in domestic and international market, some of which are exclusive products. We have been the regular supplier of several large corporations in USA and Europe.
QUALITY MANAGEMENT SYSTEM: We got ISO 9001 Quality System Certification in 2009. Our QA team is in charge of the whole production process: from raw material purchasing, product manufacture, to packing, stock control, and product delivery. As for quality testing, QC staffs are engaged in testing and monitoring the quality of raw material, intermediate, and final products. We pay great attention to quality control. For assuring stability of product quality, general manager is directly responsible for QA department.
INTELLECTUAL PROPERTY PROTECTION: Especially, In some custom processing conditions, In order to assure the security of clients` and our own intellectual property, we have built a strict confidentiality system, and all staffs must sign confidentiality agreement before entering company. Only few authorized staffs can contact with confidential material.
ADVANTAGE PRODUCTS AND TECHNOLOGIES: Specializes in carbonylation reaction, acylation, ammonolysis reaction, chiral synthesis,hydrogenation, esterification, hydrolysis, nitrification etc
Shijiazhuang Dowell Chemical Co.,Ltd.Organization Structural Chart:
THE RESEARCH DIRECTION AND MAIN OPERATION INCLUDES THREE PARTS:
(1)Medicine and pesticide intermediates:
Main productions including 2,2-Dimethyl Butyric Acid;2,2-Dimethylbutyryl chloride;Dimethylbutyryl-S-Methyl Mercaptopropionate;3,3-Dimethylbutyric acid;3,3-Dimethylbutyryl chloride;Glyoxylic acid monohydrate;Methyl (R)-(-)-3-hydroxybutyrate;4-Chlorophenylhydrazine hydrochloride;1-(4-chlorophenyl)-3-hydroxy-1-h-pyrazole;1-(4-Chlorophenyl)-3-[(2-nitrophenyl)methoxy]-1H-pyrazole etc.
(2)Pyridine derivatives:
Nearly sixty kinds of products have been successfully developed, Main products include: 2-Aminoisonicotinic acid and its methyl ester,2-Mercaptonicotinic acid, 2-Aminonicotinic acid, 5-Hydroxynicotinic acid and its methyl ester, 4-Chloronicotinic acid,4-Hydroxynicotinic acid and its methyl ester ,4-Nitro-3-picoline N-oxide,6-Methyl nicotinic acid,6-Aminonicotinic acid, 2-Amino-4-cyanopyridine, 5-Bromonicotinic acid ,5-Aminonicotinic acid, etc.
(3)Customize product:
We can offer customization based on client`s demand. Depend on the strong research and capacity, we can provide customized products from 1g to 100g,1000g 10kg,100kg and MT.
We scrupulously abide by our logo: faith as origin, quality as life, client’s satisfaction as principle. We hope to build good business relationship and have collaborative development with our clients.
Our main products:
2,2-Dimethyl Butyric Acid 595-37-9
2,2-Dimethylbutyryl chloride 5856-77-9
Dimethylbutyryl-S-Methyl Mercaptopropionate 938063-63-9
3,3-Dimethylbutyric acid 1070-83-3
3,3-Dimethylbutyryl chloride 7065-46-5
Glyoxylic acid monohydrate 563-96-2
5-Hydroxynicotinic acid 27828-71-3
2-Aminonicotinic acid 5345-47-1
2-Aminoisonicotinic acid 13362-28-2
Methyl 2-aminoisonicotinate 6937-03-7
Methyl 2-aminopyridine-3-carboxylate 14667-47-1
2-amino-4-cyanopyridine 42182-27-4
4-Nitro-3-picoline N-oxide 1074-98-2
2-Mercaptonicotinic acid 38521-46-9
2-hydroxyisonicotinic acid 22282-72-0 (169253-31-0)
Methyl (R)-(-)-3-hydroxybutyrate 3976-69-0
4-Chlorophenylhydrazine hydrochloride 1073-70-7
1-(4-chlorophenyl)-3-hydroxy-1-h-pyrazole 76205-19-1
Solketal 100-79-8
3-Methylanthranilic acid 4389-45-1
3-Methyl-2-nitrobenzoic acid 5437-38-7
2-Phenylbutyric acid 90-27-7
Methyl 5-hydroxynicotinate 30766-22-4
4-Hydroxynicotinic acid 609-70-1
4-chloronicotinic acid 10177-29-4
4-Aminonicotinic acid 7418-65-7
5-Aminonicotinic acid 24242-19-1
5-Bromonicotinic acid 20826-04-4
5-Chloronicotinic acid 22620-27-5
6-Aminonicotinic acid 3167-49-5
2-Methyl-2-ethylbutyric acid 19889-37-3
2-Hydroxynicotinic acid 609-71-2
2-Amino-4-Pyridinecarboxylic Acid Amide 13538-42-6
2-Acetylamino-4-methylpyridine 5327-32-2
2-(Acetylamino)isonicotinic acid 54221-95-3
6-Chloronicotinic acid 5326-23-8
6-Chloronicotinonitrile 33252-28-7
6-Methylnicotinic acid 3222-47-7
Methyl 6-methylnicotinate 5470-70-2
2,6-Dichloronicotinic acid 38496-18-3
6-Hydroxynicotinic acid 5006-66-6
2-Chloropyridine-5-carbaldehyde 23100-12-1
2-Chloroisonicotinic acid 6313-54-8
2-Fluoronicotinic acid 393-55-5
Methyl 4-hydroxynicotinate 67367-24-2
2,6-Dichloronicotinonitrile 40381-90-6
3-(4-Hydroxyphenyl)propionic acid 501-97-3
QUALITY MANAGEMENT SYSTEM: We got ISO 9001 Quality System Certification in 2009. Our QA team is in charge of the whole production process: from raw material purchasing, product manufacture, to packing, stock control, and product delivery. As for quality testing, QC staffs are engaged in testing and monitoring the quality of raw material, intermediate, and final products. We pay great attention to quality control. For assuring stability of product quality, general manager is directly responsible for QA department.
INTELLECTUAL PROPERTY PROTECTION: Especially, In some custom processing conditions, In order to assure the security of clients` and our own intellectual property, we have built a strict confidentiality system, and all staffs must sign confidentiality agreement before entering company. Only few authorized staffs can contact with confidential material.
ADVANTAGE PRODUCTS AND TECHNOLOGIES: Specializes in carbonylation reaction, acylation, ammonolysis reaction, chiral synthesis,hydrogenation, esterification, hydrolysis, nitrification etc
Shijiazhuang Dowell Chemical Co.,Ltd.Organization Structural Chart:
THE RESEARCH DIRECTION AND MAIN OPERATION INCLUDES THREE PARTS:
(1)Medicine and pesticide intermediates:
Main productions including 2,2-Dimethyl Butyric Acid;2,2-Dimethylbutyryl chloride;Dimethylbutyryl-S-Methyl Mercaptopropionate;3,3-Dimethylbutyric acid;3,3-Dimethylbutyryl chloride;Glyoxylic acid monohydrate;Methyl (R)-(-)-3-hydroxybutyrate;4-Chlorophenylhydrazine hydrochloride;1-(4-chlorophenyl)-3-hydroxy-1-h-pyrazole;1-(4-Chlorophenyl)-3-[(2-nitrophenyl)methoxy]-1H-pyrazole etc.
(2)Pyridine derivatives:
Nearly sixty kinds of products have been successfully developed, Main products include: 2-Aminoisonicotinic acid and its methyl ester,2-Mercaptonicotinic acid, 2-Aminonicotinic acid, 5-Hydroxynicotinic acid and its methyl ester, 4-Chloronicotinic acid,4-Hydroxynicotinic acid and its methyl ester ,4-Nitro-3-picoline N-oxide,6-Methyl nicotinic acid,6-Aminonicotinic acid, 2-Amino-4-cyanopyridine, 5-Bromonicotinic acid ,5-Aminonicotinic acid, etc.
(3)Customize product:
We can offer customization based on client`s demand. Depend on the strong research and capacity, we can provide customized products from 1g to 100g,1000g 10kg,100kg and MT.
We scrupulously abide by our logo: faith as origin, quality as life, client’s satisfaction as principle. We hope to build good business relationship and have collaborative development with our clients.
Our main products:
2,2-Dimethyl Butyric Acid 595-37-9
2,2-Dimethylbutyryl chloride 5856-77-9
Dimethylbutyryl-S-Methyl Mercaptopropionate 938063-63-9
3,3-Dimethylbutyric acid 1070-83-3
3,3-Dimethylbutyryl chloride 7065-46-5
Glyoxylic acid monohydrate 563-96-2
5-Hydroxynicotinic acid 27828-71-3
2-Aminonicotinic acid 5345-47-1
2-Aminoisonicotinic acid 13362-28-2
Methyl 2-aminoisonicotinate 6937-03-7
Methyl 2-aminopyridine-3-carboxylate 14667-47-1
2-amino-4-cyanopyridine 42182-27-4
4-Nitro-3-picoline N-oxide 1074-98-2
2-Mercaptonicotinic acid 38521-46-9
2-hydroxyisonicotinic acid 22282-72-0 (169253-31-0)
Methyl (R)-(-)-3-hydroxybutyrate 3976-69-0
4-Chlorophenylhydrazine hydrochloride 1073-70-7
1-(4-chlorophenyl)-3-hydroxy-1-h-pyrazole 76205-19-1
Solketal 100-79-8
3-Methylanthranilic acid 4389-45-1
3-Methyl-2-nitrobenzoic acid 5437-38-7
2-Phenylbutyric acid 90-27-7
Methyl 5-hydroxynicotinate 30766-22-4
4-Hydroxynicotinic acid 609-70-1
4-chloronicotinic acid 10177-29-4
4-Aminonicotinic acid 7418-65-7
5-Aminonicotinic acid 24242-19-1
5-Bromonicotinic acid 20826-04-4
5-Chloronicotinic acid 22620-27-5
6-Aminonicotinic acid 3167-49-5
2-Methyl-2-ethylbutyric acid 19889-37-3
2-Hydroxynicotinic acid 609-71-2
2-Amino-4-Pyridinecarboxylic Acid Amide 13538-42-6
2-Acetylamino-4-methylpyridine 5327-32-2
2-(Acetylamino)isonicotinic acid 54221-95-3
6-Chloronicotinic acid 5326-23-8
6-Chloronicotinonitrile 33252-28-7
6-Methylnicotinic acid 3222-47-7
Methyl 6-methylnicotinate 5470-70-2
2,6-Dichloronicotinic acid 38496-18-3
6-Hydroxynicotinic acid 5006-66-6
2-Chloropyridine-5-carbaldehyde 23100-12-1
2-Chloroisonicotinic acid 6313-54-8
2-Fluoronicotinic acid 393-55-5
Methyl 4-hydroxynicotinate 67367-24-2
2,6-Dichloronicotinonitrile 40381-90-6
3-(4-Hydroxyphenyl)propionic acid 501-97-3
