COMPANY PROFILE
Changzhou Loen Chemical Co.,Ltd. is engaged in fine chemicals, APIs, pharmaceutical intermdiates' R&D, manufacture. We have good communication and cooperation with Shanghai Organic Chemistry Institution, China Pharmaceutical University, etc.. Now we have developed many kinds of product, most of them have been take into quantity production. Such as Benzoic acid series. Intermediates for Quinolones Antibacterial Drugs and several kinds of new APIs. For the sake of cost compacting and good product quality, we have the full process of production line from raw material to finished product, and high technology and advanced testing equipments such as HPLC and GC.
The motto of Loen is, reality first, quality first.
The goal of Loen is to implement combination of circulation, production, financing and servicing by means of taking new product as its mainstay, industry as its foundation and science and technology as its guiding force, relaying on financing. Aiming at further cooperation with our domestic and oversea client.
Changzhou Loen Chemical Co.,Ltd. is engaged in fine chemicals, APIs, pharmaceutical intermdiates' R&D, manufacture. We have good communication and cooperation with Shanghai Organic Chemistry Institution, China Pharmaceutical University, etc.. Now we have developed many kinds of product, most of them have been take into quantity production. Such as Benzoic acid series. Intermediates for Quinolones Antibacterial Drugs and several kinds of new APIs. For the sake of cost compacting and good product quality, we have the full process of production line from raw material to finished product, and high technology and advanced testing equipments such as HPLC and GC.
The motto of Goldengreen is, reality first, quality first.
The goal of Goldengreen is to implement combination of circulation, production, financing and servicing by means of taking new product as its mainstay, industry as its foundation and science and technology as its guiding force, relaying on financing. Aiming at further cooperation with our domestic and oversea client.
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 Company Information |
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| Company: |
Changzhou Zhongwei Pharmaceutical Co.,Ltd. |
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| Address: |
7 Floor, CZFDA Building, Xinshi Road. |
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| City: |
Changzhou |
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| State/Prov: |
Other |
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| Country: |
China |
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| Postal Code: |
213001 |
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| Phone: |
8651986622530 |
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| Fax: |
+86-519-86623219 |
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| Contact: |
Rocky Lu |
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| Contact Title: |
Marketing |
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| Business: |
Manufacturer |
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| Employees: |
100 - 1000 |
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| Email: |
click here |
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| Website: |
Click Here |
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APIs |
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Intermediates of Benzoic acid series |
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2-methyl-5-nitrobenzoic acid
Name 2-methyl-5-nitrobenzoic acid
Synonyms 5-Nitro-2-methyl benzoic acid ; 5-Nitro-o-toluic acid
CAS 1975-52-6
M.W. 181.14788
M.F. C8H7 |
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2-methyl-5-aminobenzoic acid
Name 2-methyl-5-aminobenzoic acid
Synonyms 5-Amino-2-methyl benzoic acid ; 5-Amino-o-toluic acid
CAS 2840-04-2
Structural Formula
M. |
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3-Methyl-2-aminobenzoic acid
Name 3-Methyl-2-aminobenzoic acid
Synonyms 2-Amino-3-methyl benzoic acid ; 2-Amino-m-toluic acid
CAS 4389-45-1
M.W. 181.14788
M.F. C8H7 |
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3-Methyl-4-aminobenzoic acid
Name 3-Methyl-4-amino Benzoic Acid
Synonyms 4-Amino-3-methylbenzoicacid; 4-Amino-m-toluic acid
CAS 2486-70-6
M.W. 151.14788
M.F. C8H7NO |
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4-Methyl-3-aminobenzoic acid
Name 4-Methyl-3-aminobenzoic acid
Synonyms 3-Amino-4-Methylbenzoic acid;3-Amino-p-toluic acid
CAS 2458-12-0
M.W. 181.14788
M.F. C8H7NO |
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2-methyl-5-nitrobenzoic acid
Name 2-methyl-5-nitrobenzoic acid
Synonyms 5-Nitro-2-methyl benzoic acid ; 5-Nitro-o-toluic acid
CAS 1975-52-6
Structural Formula
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3-Methyl-2-nitrobenzoic acid
Name 3-Methyl-2-nitrobenzoic acid
Synonyms 2-Nitro-3-methyl benzoic acid ; 2-Nitro-m-toluic acid
CAS 5437-38-7
Structural Formula 2D Show |
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3-Methyl-4-nitrobenzoic acid
Name 3-methyl-4-nitrobenzoic acid
Synonyms 4-Nitro-3-methyl benzoic acid ; 4-Nitro-m-toluic acid
CAS 3113-71-1
Structural Formula
M. |
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4-Methyl-3-nitrobenzoic acid
Name 4-Methyl-3-nitrobenzoic acid
Synonyms 3-Nitro-4-methyl benzoic acid ; 3-Nitro-p-toluic acid
CAS 96-98-0
Structural Formula 2D Show |
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2-Bromo-3-Methylbenzoic acid
Name 3-methyl-2-bromobenzoic acid
Synonyms 2-Bromo-3-Methylbenzoic acid
CAS 53663-39-1
Structural Formula
M.W. 215.04638
M.F. C8 |
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4-Bromo-3-Methylbenzoic acid
Name 3-methyl-4-bromobenzoic acid
Synonyms 4-Bromo-3-Methylbenzoic acid，4-Bromo-m-toluic acid
CAS 7697-28-1
Structural Formula
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5-Bromo-2-Methylbenzoic acid
Name 2-methyl-5-bromobenzoic acid
Synonyms 5-Bromo-2-Methylbenzoic acid
CAS 79669-49-1
Structural Formula
M.W. 215.04638
M.F. C8 |
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2-Methyl-5-chloro benzoic acid
M.F.: C8H7ClO2
Specification: 99%min
CAS: 1042-81-5
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3-Methyl-2-chloro benzoic acid
M.F.: C8H7ClO2
SPEC: 99%min
CAS: 15068-35-6 |
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3-Methyl-4-chloro benzoic acid
3-Methyl-4-chloro benzoic acid
M.F.: C8H7ClO2
SPEC: 99% min
CAS: 7697-29-2 |
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M-Chloroperoxybenzoic acid
Name m-chloroperoxybenzoic-acid
Synonyms 3-chloroperoxybenzoic-acid，mCPBA, 3CPBA
CAS 937-14-4
Structural Formula
M.W. 172.567 |
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2-Methyl-5-hydroxybenzoic acid
2-Methyl-5-hydroxybenzoic acid
M.F.: C8H8O3
SPEC: 99%min |
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3-Methyl-2-hydroxybenzoic acid
3-Methyl-2-hydroxybenzoic acid
M.F.: C8H8O3
SPEC: 99%MIN |
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3-Methyl-4-hydroxy benzoic acid
3-Methyl-4-hydroxy benzoic acid
M.F.: C8H8O3
SPEC: 99%MIN
CAS: 3556-86-3 |
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4-Methyl-3-hydroxybenzoic acid
4-Methyl-3-hydroxybenzoic acid
M.F. C8H8O3
SPEC 99%MIN
CAS 568-30-1 |
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2-Methyl-5-methoxybenzoic acid
2-Methyl-5-methoxybenzoic acid
M.F.: C9H10O3
SPEC: 99%MIN |
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4-Methyl-3-methoxybenzoic acid
4-Methyl-3-methoxybenzoic acid
M.F.: C9H10O3
SPEC: 99%MIN
CAS: 7151-68-0 |
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Others |
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N,N-Dimethylformamide Dimethyl Acetal
Name N,N-Dimethylformamide Dimethyl Acetal
Synonyms DMF-DMA; 1,1-Dimethoxytrimethylamine
CAS 4637-24-5
Structural Formula 2D Show 3D S |
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Benzoic acid ramification |
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Methyl 2-Amino-3-Methylbenzoate
Name Methyl 3-Methyl-2-aminobenzoate
Synonyms Methyl 2-Amino-3-Methylbenzoate
CAS 22223-49-0
Structural Formula
M.W. 165.19184
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Methyl 3-Amion-4-Methylbenzoate
Name Methyl 4-Methyl-3-aminobenzoate
Synonyms Methyl 3-Amino-4-Methylbenzoate，3-Amino-p-toluic acid methyl ester
CAS 18595-18-1
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Methyl 4-Amion-3-Methylbenzoate
Name Methyl 3-Methyl-4-aminobenzoate
Synonyms Methyl 4-amino-3-methylbenzoate, 4-Amino-m-toluic acid methyl ester
CAS 18595-14-7
Structura |
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Methyl 5-Amion-2-Methylbenzoate
Methyl 5-Amion-2-Methylbenzoate
M.F. C9H11NO2
SPEC: 99%MIN |
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Methyl 3-Methyl-2-Nitrobenzoate
Name Methyl 3-Methyl-2-Nitrobenzoate
Synonyms Methyl 2-nitro-3-methylbenzoate
CAS 5471-82-9
Structural Formula
M.W. 195.17476
M. |
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Methyl 4-Methyl-3-Nitrobenzoate
Name Methyl 4-Methyl-3-Nitrobenzoate
Synonyms Methyl 3-nitro-4-methylbenzoate
CAS 7356-11-8
Structural Formula
M.W. 195.17476
M. |
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Methyl 3-Methyl-4-Nitrobenzoate
Name Methyl 3-Methyl-4-Nitrobenzoate
Synonyms Methyl 4-nitro-3-methylbenzoate, 4-Nitro-m-toluic acid methyl ester
CAS 24078-21-5
Structura |
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Methyl 2-Methyl-5-Nitrobenzoate
Methyl 2-Methyl-5-Nitrobenzoate
M.F.: C9H11NO4
SPEC: 99%MIN |
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Ethyl 3-methyl-4-nitrobenzoate
Ethyl 3-methyl-4-nitrobenzoate
M.F. C7H9NO3
SPEC 99%min
CAS 30650-90-9 |
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Intermediates of Heterocycl Series |
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Ethyl 2,6-Dichloro-5-Fluoro Pyridine-3-Acetoacetate
Ethyl 2,6-Dichloro-5-Fluoro Pyridine-3-Acetoacetate
CAS：96568-04-6
Formula: C10H8CL2FNO3
Specification: ≥99％
Appearance: White |
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1-Cyclopropyl-6-Fluoro-7-Chloride-4-Oxo-1,4-Dihydro-1,8-Napthyridine-3- Car
1-Cyclopropyl-6-Fluoro-7-Chloride-4-Oxo-1,4-Dihydro-1,
8-Napthyridine-3-Carboxylie acid
Specification:≥99%
M.P:222-226℃
Loss weight o |
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