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Taizhou Volsen Chemical Co., Ltd.
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Contract Manufacturing (Total 178 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!
(1R,2S,3S,4R)-ethyl 3-Aminobicyclo[2.2.2]Octane-2-Carboxylate Hydrochloride CAS 1626482-00-5

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: TRUE MANUFACTURER

Thera Category Endometriosis Cas No 1626482 00 5 Synonym 2S 3S Ethyl 3 aminobicyclo 2 2 2 octane 2 carboxylate 1R 2S 3S 4R ethyl 3 aminobicyclo 2 2 2 octane 2 carboxylate hydrochloride ethyl 2S 3S 3 aminobicyclo 2 2 2 octane 2 carboxylate Molecular...
3-​Pyridazinamine, 6-​methoxy- For Relugolix CAS 7252-84-8

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: TRUE MANUFACTURER

Thera Category Endometriosis Cas No 7252 84 8 Synonym 3 AMINO 6 METHOXYPYRIDAZINE 6 methoxypyridazin 3 amine 3 AMINO 6 METHOXYPYRIDAZINE 6 Methoxy pyridazin 3 ylamine 6 Methoxy 3 pyridazinamine 3 Methoxy 6 aminopyridazine 6 Amino 3 methoxypyridazine...
Hign Pure Of Relugolix Intermediates 1589503-95-6

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: TRUE MANUFACTURER

Thera Category Endometriosis Cas No 1589503 95 6 Synonym 2 2 6 difluorobenzyl ethoxycarbonyl amino 4 dimethylamino methyl 5 4 nitrophenyl thiophene 3 carboxylic acid Molecular Formula Molecular Weight 504
Relugolix Intermediate CAS 308831-94-9

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: TRUE MANUFACTURER

Relugolix intermediate ETHYL 2 2 6 DIFLUOROBENZYL ETHOXYCARBONYL AMINO 4 METHYL 5 4 NITROPHENYL THIOPHENE 3 CARBOXYLA CAS 308831 94 9 molecular formula C24H22F2N2O6S molecular weight 504 5030864 his synthetic process is as following 1 Dissolve 153g...
Relugolix Intermediate CAS 737789-61-6

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: TRUE MANUFACTURER

Relugolix intermediate 1 4 1 2 6 difluorobenzyl 5 3 methoxypropyl methyl amino methyl 3 6 methoxy pyridazin 3 yl 2 4 dioxo 1 2 3 4 tetrahydrothieno 2 3 d pyrimidin 6 yl phenyl 3 methoxyurea CAS number is 737789 61 6 molecular formula C31H31F2N7O6S...
Relugolix OR TAK385 ;TAK-385;TAK385 CAS 737789-87-6

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: TRUE MANUFACTURER

Relugolix CAS number is 737789 87 6 a new drug developed by Myovant and Takeda Pharmaceuticals is a small molecule gonadotropin releasing hormone GnRH receptor antagonist with potential For uterine fibroids endometriosis prostate cancer and other...
High Purity 1H-Pyrazole, 4-fluoro-  CAS 35277-02-2

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: TRUE MANUFACTURER

4 Fluoro 1H pyrazole CAS number is 35277 02 2 molecular formula C3H3FN2 molecular weight 86 07 density is1 320 There are two general methods for his synthesis One is the synthesis of 4 fluoro 1H pyrazole CAS 35277 02 2 using diethylamine as a raw...
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

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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