Communicate with Supplier? Supplier
Amy Cheng Ms. Amy Cheng
What can I do for you?
Chat Now Contact Supplier
Taizhou Volsen Chemical Co., Ltd.
HomeProductsContract Manufacturing

Contract Manufacturing (Total 171 Products)

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!
2-Methoxyethyl 4-((4-(4-Chlorophenoxy)-3,5-Difluorophenyl)Sulfonyl)-3-(Hydroxycarbamoyl)Piperazine-1-Carboxylate 1224964-36-6

Unit Price: USD 100 - 95 / Kilogram

Min.Order Unit Price
1 Kilogram USD 100 / Kilogram
1 Kilogram USD 95 / Kilogram

Brand: VOLSENCHEM

Packaging: 25KGS/DRUM

2 methoxyethyl 4 4 4 chlorophenoxy 3 5 difluorophenyl sulfonyl 3 hydroxycarbamoyl piperazine 1 carboxylate CAS number is 1224964 36 6 molecular formula C21H22ClF2N3O8S molecular weight 549 929 Thera Category Organic compound Cas No 1224964 36 6...
5,8-Dioxa-10-Azadispiro[2.0.4.3]Undecane CAS Number 129321-60-4

Unit Price: USD 1 / Gram

Min.Order Unit Price
1 Gram USD 1 / Gram

Brand: VOLSENCHEM

Packaging: As Quantity

Supply Ability: IN STOCK

5 8 Dioxa 10 azadispiro 2 0 4 3 undecane CAS number is 129321 60 4 molecular formula C8H13NO2 molecular weight 155 2 Thera Category Organic compound Cas No 129321 60 4 Synonyms 5 8 Dioxa 10 azadispiro 2 0 4 3 undecane 2 cyclopropylMethoxy ethoxy...
5-Phenoxyisobenzofuran -1(3H)-One For FG-4592 Roxadustat CAS 57830-14-5

Unit Price: USD 1 / Gram

Min.Order Unit Price
1 Gram USD 1 / Gram

Brand: VOLSENCHEM

Packaging: As Quantity

Supply Ability: IN STOCK

Thera Category Anti anemia Cas No 57830 14 5 Synonyms 5 Phenoxy 1 3H isobenzofuranone 1 3H Isobenzofuranone 5 phenoxy Related Reference 1 3H Isobenzofuranone 5 phenoxy 5 phenoxyisobenzofuran 1 3H one 5 phenoxy 3H 2 benzofuran 1 one ROXA 025 MF...
Anti-inflammation Drug Upadacitinib (ABT-494) 1310726-60-3

Unit Price: USD 100 - 95 / Kilogram

Min.Order Unit Price
1 Kilogram USD 100 / Kilogram
1 Kilogram USD 95 / Kilogram

Brand: VOLSENCHEM

Packaging: 25KGS/DRUM

Thera Category Anti inflammation Cas No 1310726 60 3 Synonym Upadacitinib Rinvoq Upadacitinib ABT 494 ABT 494 Upadacitinib free base Upadacitinib ABT 494 ABT 494 Upadacitinib 3S 4R 3 ethyl 4 3H imidazo 1 2 a pyrrolo 2 3 e pyrazin 8 yl N 2 2 2...
8-((3R,4S)-4-Ethylpyrrolidin-3-yl)- 3H-Imidazo[1,2-a]Pyrrolo[2,3-E]Pyrazine Hydrochloride 2050038-84-9

Unit Price: USD 100 - 95 / Kilogram

Min.Order Unit Price
1 Kilogram USD 100 / Kilogram
1 Kilogram USD 95 / Kilogram

Brand: VOLSENCHEM

Packaging: 25KGS/DRUM

Thera Category Organic compound Cas No 2050038 84 9 Synonym 8 3R 4S 4 ethylpyrrolidin 3 yl 3H imidazo 1 2 a pyrrolo 2 3 e pyrazine Hydrochloride 8 3R 4S 4 ethyl 3 pyrrolidinyl 3H Imidazo 1 2 a pyrrolo 2 3 e pyrazine hydrochloride 1 2 Molecular...
Benzyl (3S,4R)-3-ethyl-4-(3Himidazo[1,2-a]pyrrolo[2,3-e]pyrazin-8-yl)pyrrolidine-1-carboxylate 2095311-51-4

Unit Price: USD 100 - 95 / Kilogram

Min.Order Unit Price
1 Kilogram USD 100 / Kilogram
1 Kilogram USD 95 / Kilogram

Brand: VOLSENCHEM

Packaging: 25KGS/DRUM

Thera Category Organic compound Cas No 2095311 51 4 Synonym Benzyl 3S 4R 3 ethyl 4 3H imidazo 1 2 a pyrrolo 2 3 e pyrazin 8 yl pyrrolidine 1 carboxylate Substituted pyrazine 3S 4R benzyl 3 ethyl 4 3H imidazo 1 2 a pyrrolo 2 3 e Molecular Structure...
(3R,4S)-1-((Benzyloxy)Carbonyl)- 4-Ethylpyrrolidine-3-Carboxylic Acid For Upadacitinib 1428243-24-6

Unit Price: USD 100 - 95 / Kilogram

Min.Order Unit Price
1 Kilogram USD 100 / Kilogram
1 Kilogram USD 95 / Kilogram

Brand: VOLSENCHEM

Packaging: 25KGS/DRUM

Thera Category Organic compound Cas No 1428243 24 6 Synonym 3R 4S 4 ethyl 1 3 Pyrrolidinedicarboxylic acid 1 phenylmethyl ester Molecular Structure Molecular Formula C15H19NO4 Molecular Weight 277
Tert-Butyl (5-Tosyl-5H-Pyrrolo [2,3-B]Pyrazin-2-Yl)Carbamate For Upadacitinib  CAS 1201187-44-1

Unit Price: USD 100 - 95 / Kilogram

Min.Order Unit Price
1 Kilogram USD 100 / Kilogram
1 Kilogram USD 95 / Kilogram

Brand: VOLSENCHEM

Packaging: 25KGS/DRUM

Thera Category Organic compound Cas No 1201187 44 1 Synonym Tert butyl 5 p toluenesulfonyl 5H pyrrolo 2 3 b pyrazin 2 yl carbamate tert butyl 5 tosyl 5H pyrrolo 2 3 b pyrazin 2 ylcarbamate Intermediate of Upadacitinib ABT 494 tert butyl N 5 4...
Carbamic Acid, N-[5-[(4-Methylphenyl)Sulfonyl]-5H-Pyrrolo[2,3-b]Pyrazin-2-Yl]-, ethyl ester​ 1869118-24-0

Unit Price: USD 100 - 95 / Kilogram

Min.Order Unit Price
1 Kilogram USD 100 / Kilogram
1 Kilogram USD 95 / Kilogram

Brand: VOLSENCHEM

Packaging: 25KGS/DRUM

Carbamic acid N 5 4 methylphenyl sulfonyl 5H pyrrolo 2 3 b pyrazin 2 yl ethyl ester Thera Category Organic compound Cas No 1869118 24 0 Synonym Carbamic acid N 5 4 methylphenyl sulfonyl 5H pyrrolo 2 3 b pyrazin 2 yl ethyl este N 5 4 Methylphenyl...
Customized For 5-(Phenylsulfonamido)-2-(Piperidin-1-yl)Benzoic Acid

Unit Price: USD 100 - 95 / Kilogram

Min.Order Unit Price
1 Kilogram USD 100 / Kilogram
1 Kilogram USD 95 / Kilogram

Brand: VOLSENCHEM

Packaging: 25KGS/DRUM

5 Phenylsulfonamido 2 Piperidin 1 yl Benzoic Acid Thera Category Organic compound Cas No Synonym 5 Phenylsulfonamido 2 Piperidin 1 yl Benzoic Acid Molecular Structure Molecular Formula
High Purity 5-(Methylsulfonamido)-2-(Piperidin-1-Yl)Benzoic Acid

Unit Price: USD 100 - 95 / Kilogram

Min.Order Unit Price
1 Kilogram USD 100 / Kilogram
1 Kilogram USD 95 / Kilogram

Brand: VOLSENCHEM

Packaging: 25KGS/DRUM

5 Methylsulfonamido 2 Piperidin 1 Yl Benzoic Acid Thera Category Organic compound Cas No Synonym 5 Methylsulfonamido 2 Piperidin 1 Yl Benzoic Acid Molecular Structure Molecular Formula Molecular
Special Customized For 2-Chloro-5,6,7,8-Tetrahydro-1,6-Naphthyridine Hydrochloride

Unit Price: USD 1 / Kilogram

Min.Order Unit Price
1 Kilogram USD 1 / Kilogram

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: TRUE MANUFACTURER

2 Chloro 5 6 7 8 Tetrahydro 1 6 Naphthyridine Hydrochloride Thera Category Organic compound Cas No Synonym 2 Chloro 5 6 7 8 Tetrahydro 1 6 Naphthyridine Hydrochloride Molecular
Customized Product Sodium (E)-3-(3-methoxy-3-oxoprop-1-enyl)benzenesulfonate

Unit Price: USD 1 / Kilogram

Min.Order Unit Price
1 Kilogram USD 1 / Kilogram

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: TRUE MANUFACTURER

Sodium E 3 3 methoxy 3 oxoprop 1 enyl benzenesulfonate Thera Category Organic compound Cas No Synonym Sodium E 3 3 methoxy 3 oxoprop 1 enyl benzenesulfonate Molecular
Rare Customized Project (E)-7-hydroxy-5-(1H-pyrrol-2-yl)-1H-benzo[e][1,4]diazepin-2(3H)-one

Unit Price: USD 1 / Kilogram

Min.Order Unit Price
1 Kilogram USD 1 / Kilogram

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: TRUE MANUFACTURER

E 7 hydroxy 5 1H pyrrol 2 yl 1H benzo e 1 4 diazepin 2 3H one Thera Category Organic compound Cas No Synonym E 7 hydroxy 5 1H pyrrol 2 yl 1H benzo e 1 4 diazepin 2 3H one Molecular
Anti-ED Drugs Avanafil CAS Number 330784-47-9

Unit Price: USD 1 / Gram

Min.Order Unit Price
1 Gram USD 1 / Gram

Brand: VOLSENCHEM

Packaging: As Quantity

Supply Ability: IN STOCK

Avanafil CAS number is 330784 47 9 developed by Japan s Tanabe Mitsubishi Pharmaceuticals Co Ltd and VIVUS Corporation In April 2012 the FDA approved the marketing of avanafil tablets for the treatment of male erectile dysfunction ED The only ED...
Nutritional Supplement Ferric Citrate  CAS  2338-05-8

Unit Price: USD 1 / Gram

Min.Order Unit Price
1 Gram USD 1 / Gram

Brand: VOLSENCHEM

Packaging: As Quantity

Supply Ability: IN STOCK

Ferric citrate monohydrate CAS Number is 2338 05 8 also known as ferric citrate is a chemical product that has been used for many years It is a structurally indeterminate complex According to the literature the method for synthesizing Ferric citrate...
Ferric Carboxymaltose CAS Number  9007-72-1

Unit Price: USD 1 / Gram

Min.Order Unit Price
1 Gram USD 1 / Gram

Brand: VOLSENCHEM

Packaging: As Quantity

Supply Ability: IN STOCK

Ferric Carboxymaltose CAS number is 9007 72 1 which is developed by Swiss Vifor first listed in Germany in 2007 listed in the UK in May of the following year the trade name Ferinject for oral iron is invalid or can not use oral iron Treatment of...
Novel Melatonin Receptor Agonist Ramelteon CAS 196597-26-9

Unit Price: USD 1 / Gram

Min.Order Unit Price
1 Gram USD 1 / Gram

Brand: VOLSENCHEM

Packaging: As Quantity

Supply Ability: IN STOCK

Ramelteon CAS 196597 26 9 is an important product in our company which is a melatonin MT1 MT2 receptor MEL 1A R MEL 1B R agonist Ramelteon CAS NO 196597 26 9 is widely used an orally active hypnotic agents Clinical trails show Ramelteon 196597 26 9...
Ethyl 3-(dimethylamino)acrylate Purity ≥99% CAS Number 924-99-2
Ethyl 3 Dimethylamino acrylate CAS number is 924 99 2 which is the intermediate of the moxifloxacin The synthesis method of Ethyl 3 Dimethylamino acrylate is as follows 1 by DMF and ethoxy acetylene as raw materials by addition reaction and reacted...
Compound Encyclopedia 2,4-Dichloro-5-fluorobenzoyl Chloride CAS  86393-34-2
2 4 Dichloro 5 fluorobenzoyl chloride CAS number is 86393 34 2 It is the preparation of antipsychotic special effects trifluoroacridinol trifluoroamyl benzene penfluridol and broad spectrum antibiotics such as the main raw materials of the third...
Natural Bioflavonoid Quercetin Dihydrate Cas number  6151-25-3

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: TRUE MANUFACTURER

Quercetin dihydrate cas number 6151 25 3 which is a natural bioflavonoid Both skin photoaging and ultraviolet UV induction can cause excessive production of reactive oxygen species ROS in the skin resulting in damage or apoptosis of skin...

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.