Du-Hope International Group

Du-Hope International is a value-added company dedicated to sourcing chemical pharmaceutical intermediates and nutraceutical ingredients to overseas markets for more than a decade. With intensive experiences in these 2 industries, we are a pioneer in developing and distributing scientific-based raw materials accompanied with excellent logistic service, quality control, documentation and after-sales service. Three major sections in the company makes us possible to achieve our goals:
1) Pharmaceuticials and chemicials department: pharmaceutical intermediates, chemical , agrochemical, intermediates, customs synthesis.
2) Nutraceuticals department: specialized in botanical extracts, sport nutritions, speciality ingredients, amino acids (including its derivatives, protected amino acids) and food additives.
3) QC/QA department: responsible for the new product development & evaluation, factory auditing, quality control & assurance, technical consulting, documentation and maintenance of our inner QC/QA system.

--- Intermediates
*************************************************
STRONGLY RECOMMENDED

1, 1-Cyclohexane Diacetic Acid ------for Gabapentin

1,2-Benzisoxazole Acetic Acid -----for Zonisamide

1-(Mercaptomethyl) cyclopropane acetic acid -----for Montelukast

2-(3-(3-(2-(7-chloro-2-quinolinyl) ethenyl) phenyl) -(3-hydroxypropyl) phenyl-2 propanol ------- for Montelukast

2,3-Dichlorobenzoyl chloride ------- for Lamotrigine

2,4-Difluoro–2-(1H-1,2,4-Triazol–1-yl acetophenone -------For Flucoanzole

2-Amino-5-Chlorobenzophenone ------ for Diazepam

2-Chloro-4-Amino-6,7-Dimethoxyquinazoline -------for Terazosin

3,4-Dihydroxy-5-Nitrobenzaldehyde ------for Entacapone

3,5-Dihydroxybenzoic acid -------for Terbutaline

3-Methyl-4-Amino benzoic acid -------for Telmisartan

4-Methyl-5-Thiazolecarboxaldehyde --------for Cefditoren

4-(2,3-Epoxypropoxy) carbazole -------for Carvedilol

4,4-Tetramethyleneglutarimide -------for Buspirone

4-Cyano-3-Trifluoromethylaniline ------for Bicalutamide

4-Chlorobutyronitrile ------for Buspirone, Buflomedil

gamma-Aminobutyric acid -------for Sodium Alendronate

Methyl 3-Amino-4-Methyl-2-Thiophene Carboxylate
-------for Articaine

P-Hydroxy Phenyl Acetamide -------for Atenolol

Pyridine-3-boronic acid
R/S-Mandelic acid
R/S/Rac-Binap
Squaric acid
Tetraethyl Orthocarbonate -------for Candesartan

Thiophene-2-ethanol -------for Clopidogrel

Thymine -----for Zidovudine

Methyl 3-Amino-4-Methyl-2-Thiophene Carboxylate
---CAS#85006-31-1--- EC#: 285-060-8 ---for Articaine

P-Hydroxy Phenyl Acetamide
---CAS#17194-82-0--- EC#: 241-235-0 ---for Atenolol

4-(2,3-Epoxypropoxy) carbazole
---CAS#51997-51-4----for Carvedilol

(s) -6,7-Dimethoxy-1,2,3,4-Tetrahydro-3-isoquinoline carboxylic acid HCl
---CAS#82586-62-7 ---for Moexipril

4-Chlorobutyronitrile
---CAS#628-20-6 --- EC#: 211-031-6 ---for Buspirone, Buflomedil

2-Amino-3,5-Dibromobenzaldehyde
---CAS#50910-55-9 --- EC#: 256-841-0 ----for Ambroxol

1,1-Cyclohexane Diacetic Acid
---CAS#4355-11-7 --- EC#: 224-427-9 ----for Gabapentin

Tetraethyl Orthocarbonate
---CAS#78-09-1----for Candesartan EC#: 201-082-2

2-Chloro-4-Amino-6,7-Dimethoxyquinazoline
---CAS#23680-84-4---- EC#: 245-821-7 --- for Terazosin

2,4-Difluoro–2-(1H-1,2,4-Triazol–1-yl) acetophenone
---CAS#2631-72-3--- EC#: 220-116-7 ---For Fluconazole

4,4-Tetramethyleneglutarimide
--- CAS# 1075-89-4---for Buspirone

4-Cyano-3-Trifluoromethylaniline
--- CAS# 654-70-6 ---for Bicalutamide

2-Amino-5-Chlorobenzophenone
--- CAS# 719-59-5 --- EC#: 211-949-7 ---for Diazepam

gamma-Aminobutyric acid
--- CAS# 56-12-2 --- EC#: 200-258-6 --- for Sodium Alendronate

Methyl 2-Methoxy Sulfamoyl Benzoate
--- CAS# 33045-52-2 --- EC#: 251-358-1 --- for Sulpiride

3,5-Dihydroxybenzoic Acid
--- CAS# 99-10-5 --- EC#: 202-730-7---for Terbutaline

4-Hydroxyacetophenone
--- CAS# 99-93-4 --- EC#: 202-802-8 --- for Salbutamol

P-Hydroxy Phenyl Acetic Acid
--- CAS# 156-38-7 --- EC#: 205-851-3 --- for Bufexamac

2-Amino-5-Chloropyridine
--- CAS# 1072-98-6 --- EC#: 214-020-4 --- for Zopiclone

Diethyl Acetamido Malonate
--- CAS# 1068-90-2 --- EC#: 213-952-9 --- for Rebamipide

3,4-Dimethoxy Cinnamic Acid
--- CAS# 2316-26-9 --- EC#: 219-025-5 --- for Tranilast,

2-Trifluoromethyl-9h-thioxanthone
----CAS:1693-28-3 ---Flupentixol---EC: 216-893-7

Ethyl (Alpha) -Cyano-(Alpha) -Ethyl Phenyl Acetate
--- for Phenobarbital

4-(1h-1,2,4-triazol-1-ylmethyl) aniline
---CAS#119192-10-8---for Rizatriptan

4-(dimethylamino) butyraldehyde dimethyl acetal
--- CAS#3616-56-6 --- EC#222-800-0 ---- Sumatriptan, Rizatriptan

3,4-Dihydroxy-5-Nitrobenzaldehyde
---CAS#116313-85-0 --- for Entacapone

3-(carbamoyl-methyl) -5-methylhexanoic acid-
-- for Pregabalin

2, N-dimethyl-N-(3,3-diphenylpropyl) -1-amino-2-propanol
--- for Lercanidipine

2N-Butyl-4-Spirocyclopentane-2-Imidazolin-5-one HCL
--- for Irbesartan

2,5-bis(Trifluoromethyl) benzoic acid
--- CAS#42580-42-7 --- for Flucainide

Trans-(4-Chloro-2-methyl-but-2-ene-1-sulfonyl) -benzene
--- for Co-enzyme Q10

1-Bromo-3,5-Dimethyladamantane
---CAS#941-37-7---EC#213-378-9-----Memantine

Other chemical pharmaceutial intermediates as requirement

--- Pharmaceutical APIs
************************************************
All kind of pharmaceutical APIs made in China as your requirment

Strongly revommended first launched second-generation (atypical) antipsychotic drug Amisulpride (API) with high quality and reasonable price in China.

Drug Name: Amisulpride
Chemcial Name:
4-Amino-N-(1-ethyl-2-pyrrolidinylmethyl) -5-(ethylsulfonyl) -2-methoxybenzamide
CAS No: 71675-85-9
Formula: C17H27N3O4S
Weight: 369.4833
Activity: Antipsychotic Drugs

--- Agrochemicals
************************************************
All kind of agrochemicals made in China as your requirment

--- Nutraceuticals
************************************************
All kind of nutraceuticals made in China as your requirent

- Plant Extracts
- Speciality Ingredients
- Sport Nutritions
- Amino Acid (Protected Amino Acid)
- Food Additives

Any requirement, feel free to contact us directly!


Methyl butyrylacetate (CAS:30414-54-1) 98.5%min	Atorvastatin Calcium (API) and atorvastin intermediates---Du-Hope Inernational China	Amisulpride(API) --- DU-Hope Interanational

1FCL Phenol CIF Sea Shanghai China	Butadiene polymer Thermal Stabilizer Agent: Sumilizer GS	Intermediate of Montelukast

Intermediate of Gabapentin

Company Type :	Exporter
Contact :	Hao Ren
Address :	199, Jian Ye Road, Nanjing, Jiangsu, 210004 China
Telephone :	[86] (25) 52346859
Fax :	[86] (25) 52346874
Web Site :	www.np-chem.com
Commenced Business :	1978
Number Of Employees :	250
Plant Locations :	China
Company Certifications :	ISO9000
Our Listings : All Listings (7) Other Chemicals (3) Pharmaceutical Raw Materials (4) More Listings : Other Chemicals Pharmaceutical Raw Materials