Company Details
  • Taizhou Volsen Chemical Co., Ltd.

  •  [Zhejiang,China]
  • Business Type:Manufacturer
  • Main Mark: Americas , Asia , East Europe , Europe , North Europe , Other Markets , West Europe , Worldwide
  • Exporter:91% - 100%
  • Certs:GS, CE, ISO9001, ISO14000
  • Description:Chemical Product Customization, Customized Pharmaceutical Products, Pharmaceutical Customization
Taizhou Volsen Chemical Co., Ltd. Chemical Product Customization, Customized Pharmaceutical Products, Pharmaceutical Customization
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Contract Manufacturing

Product categories of Contract Manufacturing, we are specialized manufacturers from China, Chemical Product Customization, Customized Pharmaceutical Products suppliers/factory, wholesale high-quality products of Pharmaceutical Customization R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
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5-Bromoisobenzofuran-1(3H)-one CAS 64169-34-2
5-Bromoisobenzofuran-1(3H)-one CAS 64169-34-2

Model No. : 64169-34-2

We are professional supplier of 5 Bromophthalide CAS 64169 34 2 that is an important intermediate for FG 4592 FG 4592 is a HIF prolyl hydroxylase inhibitor that is approved for the treatment of anemia 5 Bromophthalide CAS NO 64169 34 2 is white to...

China Chemical Product Customization of with CE
2-Cyano-N-[4-(Trifluoromethyl)Phenyl]Acetamide CAS 24522-30-3
2-Cyano-N-[4-(Trifluoromethyl)Phenyl]Acetamide CAS 24522-30-3

Model No. : 24522-30-3

The specific preparation process Teriflunomide intermediate of 2 cyano N 4 trifluoromethyl phenyl acetamide cas 24522 30 3 was as follows 205 g of sodium azide 400 g of 4 trifluoromethylbenzoic acid 52 4 g of triphenylphosphine and 28 g of N...

China Manufacturer of Customized Pharmaceutical Products
Anticholinergic Drug Glycopyrrolate CAS Number 596-51-0
Anticholinergic Drug Glycopyrrolate CAS Number 596-51-0

Model No. : 596-51-0

Glycopyrrolate CAS Number is 596 51 0 the appearance of white crystalline powder odorless bitter taste Soluble in water methanol or ethanol almost insoluble in chloroform or ether Cannot be mixed with alkaline drugs It is a quaternary ammonium...

High Quality Pharmaceutical Customization China Supplier
Carfilzomib Intermediate Cas 247068-85-5
Carfilzomib Intermediate Cas 247068-85-5

Model No. : 247068-85-5

The key intermediate of Carfilzomib CAS number is 247068 85 5 It is very difficult to synthesize and it is an important intermediate for Carfilzomib There are major four ways on synthesis The first one is obtained by using L leucine as a starting...

High Quality Chemical Product Customization China Factory
4-Bromo-2-Hydroxybenzoic Acid  CAS 1666-28-0
4-Bromo-2-Hydroxybenzoic Acid CAS 1666-28-0

Model No. : 1666-28-0

4 Bromo 2 hydroxybenzoic acid is also known as 4 bromosalicylic acid CAS number is 1666 28 0 4 Bromo 2 hydroxybenzoic acid is conventionally produced by oxidation and acidification The general procedure is to mix the p bromotoluene water and...

China Supplier of Customized Pharmaceutical Products
Irreversible Proteasome Inhibitor Carfilzomib  868540-17-4
Irreversible Proteasome Inhibitor Carfilzomib 868540-17-4

Model No. : 868540-17-4

Carfilzomib cas number is 868540 17 4 which is an intravenously administered tetrapeptide epoxy ketone backbone proteasome inhibitor that selectively and irreversibly binds to the N terminus of the threonine active site of the 20S proteasome...

China Factory of Pharmaceutical Customization
41051-15-4,Methyl 4-methoxyacetoacetate Used for Making Dolutegravir
41051-15-4,Methyl 4-methoxyacetoacetate Used for Making Dolutegravir

Model No. : 41051-15-4

Methyl 4 methoxyacetoacetate cas number 41051 15 4 which is a colorless transparent liquid with an aromatic odor It is an important pharmaceutical intermediate compound It is mainly used in the synthesis of the new anti AIDS drug Dolutegravir...

Chemical Product Customization Made in China
N-(3-HYDROXYPHENYL)ACETAMIDE CAS  621-42-1
N-(3-HYDROXYPHENYL)ACETAMIDE CAS 621-42-1

Model No. : 621-42-1

3 ACETAMIDOPHENOL or N 3 HYDROXYPHENYL ACETAMIDE CAS number is 621 42 1 molecular formula is C8H9NO2 Molecular weight is 151 16 appearance as an off white solid It can be used to make azo dyes and as a reagent and supplement There are dozens of...

Professional Manufacturer of Customized Pharmaceutical Products
PARP Inhibitor Olaparib CAS 763113-22-0
PARP Inhibitor Olaparib CAS 763113-22-0

Model No. : 763113-22-0

Olaparib CAS 763113 22 0 is a poly ADP ribose polymerase inhibitor abbreviated as PARP inhibitor He was approved by the FDA on December 19 2014 for the maintenance treatment of platinum sensitive recurrent BRCA mutant ovarian cancer patients and...

Leading Manufacturer of Pharmaceutical Customization
1,3,4,6,7,8-Hexahydro-2H-pyrimido[1,2-A]pyrimidine CAS  5807-14-7
1,3,4,6,7,8-Hexahydro-2H-pyrimido[1,2-A]pyrimidine CAS 5807-14-7

Model No. : 5807-14-7

1 3 4 6 7 8 Hexahydro 2H pyrimido 1 2 A pyrimidine CAS number is 5807 14 7 commonly known as bicyclic guanidine abbreviated as TBD He is an organic strong base that exhibits good catalytic effects on various organic reactions and polymerization...

Professional Supplier of Chemical Product Customization
Skeletal Muscle Relaxant Dantrolene Sodium CAS Number  24868-20-0
Skeletal Muscle Relaxant Dantrolene Sodium CAS Number 24868-20-0

Model No. : 24868-20-0

Dantrolene Sodium CAS number is 24868 20 0 Listed in multiple countries after 1974 He is a muscle relaxant that acts directly on skeletal muscles Its unique mechanism is directly applied to skeletal muscles It inhibits muscle contraction by...

Cosmetics &Cross-linking Agents 2-HEXYLDECANOIC ACID CAS 25354-97-6
Cosmetics &Cross-linking Agents 2-HEXYLDECANOIC ACID CAS 25354-97-6

Model No. : 25354-97-6

2 HEXYLDECANOIC ACID CAS number is 25354 97 6 He is widely used in the manufacture of cosmetics cross linking agents and pharmaceutical intermediates 2 hexyldecanoic acid is a kind of high carbon branched saturated fatty acid He exists extensively...

IDELALISIB N-2 870281-85-9
IDELALISIB N-2 870281-85-9

Model No. : 870281-85-9

All our professionals are engaged in providing best range of idelalisib N 2 CAS 870281 85 9 Idelalisib N 2 is white powder which is play an great main role in Idelalisib CAL 101 Idelalisib N 2 are known for its high purity and effective and...

Cosmetic Additive ASCORBYL TETRA-2-HEXYLDECANOATE CAS 183476-82-6
Cosmetic Additive ASCORBYL TETRA-2-HEXYLDECANOATE CAS 183476-82-6

Model No. : 183476-82-6

ASCORBYL TETRA 2 HEXYLDECANOATE CAS 183476 82 6 appearance is colorless to light yellow liquid He mainly has both synthetic and natural forms Tetrahexyldecylascorbate has a variety of effects in the human body including anti cancer preventing heart...

Plant Extracts Demethyl CAS 11041-94-4
Plant Extracts Demethyl CAS 11041-94-4

Model No. : 11041-94-4

Demethyl CAS11041 94 4 he is a myocardial perfusion imaging agent its role can make the heart rate faster increased myocardial contractility reduced diastolic blood pressure while increasing cardiac output coronary blood flow improve sinus node...

6,6-Diethoxyhexanoic Acid CAS 155200-43-4
6,6-Diethoxyhexanoic Acid CAS 155200-43-4

Model No. : 155200-43-4

6 6 diethoxyhexanoic acid CAS number is 155200 43 4 it used for the synthesis of pharmaceutical intermediates The purity of 6 6 diethoxyhexanoic acid that we produced is more than 98 which is 3 higher than the purity of the products on the market We...

CAS 189188-57-6,Tegaserod Maleate
CAS 189188-57-6,Tegaserod Maleate

Model No. : 189188-57-6

We ChinaTegaserod Maleate Suppliers and China 22795 99 9 Tegaserod Maleate Cas No 189188 57 6 Manufacturers with quality you can count on including those with CAS number189188 57 6 You can be assured that all Tegaserod Maleate 189188 57 6 offered by...

ASCORBYL GLUCOSIDE Used for Comesitc Additive CAS 129499-78-1
ASCORBYL GLUCOSIDE Used for Comesitc Additive CAS 129499-78-1

Model No. : 129499-78-1

Ascorbyl glucoside also known as 2 O A D GLUCOPYRANOSYL L ASCORBIC ACID referred as AA 2G CAS number is 129499 78 1 ASCORBYL GLUCOSIDE is the most stable and best performing L ascorbic acid substitute by far which is easily degraded into D glucose...

CAS 19433-94-4,N-[3-[(2-Cyanoethyl)ethylamino]-4-methoxyphenyl]acetamide
CAS 19433-94-4,N-[3-[(2-Cyanoethyl)ethylamino]-4-methoxyphenyl]acetamide

Model No. : 19433-94-4

N 3 2 Cyanoethyl ethylamino 4 methoxyphenyl acetamide CAS number 19433 94 4 molecular formula C14H19N3O2 molecular weight 261 32 it is a new compound and not a conventional product for us it needs to arrange production according orders one a...

1-(3,4-Dihydroxyphenyl)-2-[(1-Methylethyl)amino] Hydrochloride CAS 16899-81-3
1-(3,4-Dihydroxyphenyl)-2-[(1-Methylethyl)amino] Hydrochloride CAS 16899-81-3

Model No. : 16899-81-3

1 3 4 Dihydroxyphenyl 2 1 Methylethyl amino Hydrochloride CAS 16899 81 3 also known as Isoprenaline Impurity A is white powder with the molecular formula of C11H15NO3 ClH and formula weight of 245 704 1 3 4 Dihydroxyphenyl 2 1 Methylethyl amino...

(4S)-1,1-Dioxide-3,4-Dihydro-4-Hydroxy-2-(Brinzolamide Intermediate) CAS 154127-42-1
(4S)-1,1-Dioxide-3,4-Dihydro-4-Hydroxy-2-(Brinzolamide Intermediate) CAS 154127-42-1

Model No. : 154127-42-1

Brinzolamide dioxide is a high level intermediate of Brinzolamide Its reaction step is long and at least through five steps to get it There is one feasibility method with 3 Acetyl 2 5 dichlorothiophene as raw materials adding sulfite to get the form...

China Contract Manufacturing Suppliers

We could undertake custom development,custom manufacturing for various organic chemicals,special chemicals intermediates and raw materials, ranging from g, kg to 100-ton-level clinical and mass production products.Volsen not only owns more than 10 years commercial production experiences of common products, but also owns a professional custom synthesis team, it makes up for developing issue of production team,production experiences issue of research team. realized the most efficient combination of production and R&D. We can conduct process optimization to the technology provided by our customers, as well as carry out new process development for product provided by them.

The target of Custom synthesis

1. Provide customers with integrated services throughout the life cycle of the product in areas such as agricultural chemicals, pharmaceuticals chemicals.

2. Production enlargement, Continuous Process development

3. Continuous quality improvement, cost reduction and efficiency optimization.


The Advantage of Custom synthesis

1.High efficient, rich experience and full of innovative professional R & D team.

2.Advanced research and development equipment, flexible pilot plant,improved production facilities

3.Professional project management personnel, a sound project management system.

4.The tailored customized production help customers to reduce the cost of money and time.


Mode of Custom synthesis
1.Conduct process optimization to the technology provided by our customers

2. Carry out new process development for product provided by them.


The process of customized business:

1) Complete the project analysis and respond to customers in three days after received a single customer consultation;

2) Two parties confirm the quality specification as the final quality standards.

3) R&D department starts to research, synthesis.Give weekly report to customer about project progress.

4) Customer confirms the sample, later,we provided details of production schedule.

5) Two parties signed the contract.

6) After finished, QA department make a analysis.

7) Customer acceptance of products by qualified finished.


Confidential Commitment

Keep Strictly confidential of client projects is one of our business criteria, we will put the confidentiality on the height of strategic development. We conduct strictly confidentiality measures and workflows.If necessary, may enter into a confidentiality contract. We are willing to work closely with customers at home and abroad to develop the production of new chemical products.No matter what the issue.We are ready to serve you faithfully.




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