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Contract Manufacturing

(Total 182 Products)
1,6-Diazaspiro[3.4]octane, 3-methyl-1-(phenylmethyl)-, ethanedioate (2:1), (3S,4R) Used For Delgocitinib CAS 2230683-29-9

Unit Price: USD 400 / Gram

Min.Order Unit Price
1 Gram USD 400 / Gram

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: 1KG~20KG

Thera. Category:Atopic dermatitis Cas No.:2230683-29-9 Synonyms:1,6-Diazaspiro[3.4]octane, 3-methyl-1-(phenylmethyl)-, ethanedioate (2:1), (3S,4R)-;Delgocitinib intermediate;JTE-052 Intermediates; Molecular Formula: C16H22N2O4 Molecular...
TERT-BUTYL(4R,5R)-4-((E)-4-(4-((TERT-BUTOXYCARBONYL)AMINO)PHENYL)-3-OXOBUT-1-EN-1-YL)-2,2-DIMETHYL- For Vibegron 1426235-01-9

Unit Price: USD 400 / Kilogram

Min.Order Unit Price
10 Kilogram USD 400 / Kilogram

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: 20Ton per year

Thera. Category:Overactive bladder(OAB) Cas No.:1426235-01-9 Synonyms:3-Oxazolidinecarboxylic acid, 4-[(1E)-4-[4-[[(1,1-dimethylethoxy)carbonyl]amino]phenyl]-3-oxo-1-buten-1-yl]-2,2-dimethyl-5-phenyl-, 1,1-dimethylethyl ester, (4R,5R)- Molecular...
TERT-BUTYL(4R,5R)-4-(4-(4-((TERT-BUTOXYCARBONYL)AMINO)PHENYL)-3-OXOBUTYL)-2,2-DIMETHYL-5-PHENYLOXAZ CAS 1426235-02-0

Unit Price: USD 400 / Kilogram

Min.Order Unit Price
10 Kilogram USD 400 / Kilogram

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: 20Ton per year

Thera. Category:Overactive bladder(OAB) Cas No.:1426235-02-0 Synonyms:3-Oxazolidinecarboxylic acid, 4-[4-[4-[[(1,1-dimethylethoxy)carbonyl]amino]phenyl]-3-oxobutyl]-2,2-dimethyl-5-phenyl-, 1,1-dimethylethyl ester, (4R,5R)- Molecular Formula:...
(6S)-4-OXO-7,8-DIHYDRO-6H-PYRROLO[1,2-a]PYRIMIDINE-6-CARBOXYLIC ACID For Vibegron CAS 1190392-22-3

Unit Price: USD 400 / Kilogram

Min.Order Unit Price
10 Kilogram USD 400 / Kilogram

Brand: VOLSENCHEM

Packaging: AS REQUIRED

Supply Ability: 20Ton per year

Thera. Category:Overactive bladder(OAB) Cas No.:1190392-22-3 Synonyms:Pyrrolo[1,2-a]pyrimidine-6-carboxylic acid, 4,6,7,8-tetrahydro-4-oxo-, (6S)- Molecular Formula: C8H8N2O3 Molecular Weight: 180.16 Purity: ≥98% Packing: Export worthy packing...
(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;...
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,...
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:504.5030864 Purity: ≥98.%...
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....
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...
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...
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...
2-Methoxyethyl 4-((4-(4-Chlorophenoxy)-3,5-Difluorophenyl)Sulfonyl)-3-(Hydroxycarbamoyl)Piperazine-1-Carboxylate 1224964-36-6

Unit Price: USD 95 - 100 / Kilogram

Min.Order Unit Price
1 Kilogram USD 95 / Kilogram
1 Kilogram USD 100 / 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...
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-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...
Anti-inflammation Drug Upadacitinib (ABT-494) 1310726-60-3

Unit Price: USD 95 - 100 / Kilogram

Min.Order Unit Price
1 Kilogram USD 95 / Kilogram
1 Kilogram USD 100 / 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...
8-((3R,4S)-4-Ethylpyrrolidin-3-yl)- 3H-Imidazo[1,2-a]Pyrrolo[2,3-E]Pyrazine Hydrochloride 2050038-84-9

Unit Price: USD 95 - 100 / Kilogram

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

Min.Order Unit Price
1 Kilogram USD 95 / Kilogram
1 Kilogram USD 100 / 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...
(3R,4S)-1-((Benzyloxy)Carbonyl)- 4-Ethylpyrrolidine-3-Carboxylic Acid For Upadacitinib 1428243-24-6

Unit Price: USD 95 - 100 / Kilogram

Min.Order Unit Price
1 Kilogram USD 95 / Kilogram
1 Kilogram USD 100 / 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: 277.32 Pharmacopeia: In house Spec....
Tert-Butyl (5-Tosyl-5H-Pyrrolo [2,3-B]Pyrazin-2-Yl)Carbamate For Upadacitinib CAS 1201187-44-1

Unit Price: USD 95 - 100 / Kilogram

Min.Order Unit Price
1 Kilogram USD 95 / Kilogram
1 Kilogram USD 100 / 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...
Carbamic Acid, N-[5-[(4-Methylphenyl)Sulfonyl]-5H-Pyrrolo[2,3-b]Pyrazin-2-Yl]-, ethyl ester​ 1869118-24-0

Unit Price: USD 95 - 100 / Kilogram

Min.Order Unit Price
1 Kilogram USD 95 / Kilogram
1 Kilogram USD 100 / 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...
Customized For 5-(Phenylsulfonamido)-2-(Piperidin-1-yl)Benzoic Acid

Unit Price: USD 95 - 100 / Kilogram

Min.Order Unit Price
1 Kilogram USD 95 / Kilogram
1 Kilogram USD 100 / 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: Molecular Weight: Pharmacopeia: In house Spec....
High Purity 5-(Methylsulfonamido)-2-(Piperidin-1-Yl)Benzoic Acid

Unit Price: USD 95 - 100 / Kilogram

Min.Order Unit Price
1 Kilogram USD 95 / Kilogram
1 Kilogram USD 100 / 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 Weight: Pharmacopeia: In house Spec....
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 Formula: Molecular Weight: Assay: ≥98.% Appearance: White...
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 Formula: Molecular Weight: Assay: ≥98.% Appearance: White Crystalline...
Home > Products > Contract Manufacturing

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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