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PROFESSIONAL SUPPLIER OF
CHEMICAL PRODUCTS
 
ABOUT US
      Changzhou quantum bio&tec co., ltd and Loenchem in May 2007 merger ,name is Changzhou quantum bio&tec co., ltd. Changzhou quantum bio&tec co., ltd. is engaged in fine chemicals, pharmaceutical intermdiates¡¯ R&D, development and sales. We have good communication and cooperation with¡¡Shanghai Organic Chemistry Institution, Shanghai Arictural Chemical Institution and several several Chemical Factories. For the sake of cost compacting and good product quality, we have well controled the synthesization technology of most of our product, and high technology and advanced testing equipments such as HPLC and GC, NMR.
Preponderant reaction
The R&D Dept. are specialize in the below listed reactions
Hydrolysis Methylation
Formylation Substitution
Benzolation Diazotization
Hydrogenation Oxidation
Nitration Hydroxylation
Esterification Deoxidize
Acylation RCOOH > RCOCL  
Manich Reaction  
Grignard Reaction RX > RMgX
 
   
   
 
NEW PRODUCTS All Catalog
 
 
Name: 2-Amino-6-hydroxypyridine
CAS#: 6-hydroxy-2-aminopyridine
Synonyms: 5154-00-7
Capacity:
 
Name: Indole-6-methyl acid
CAS#: 1670-82-2
Synonyms: 1H-Indole-6-carboxylic acid
Capacity:
 
Name: 1-Cyclopropyl-6-Fluoro-7-Chloride-4-Oxo-
CAS#: 100361-18-0
Synonyms:
Capacity:
 
Name: 2-methyl-5-bromobenzoic acid
CAS#: 79669-49-1
Synonyms: 5-Bromo-2-Methylbenzoic acid
Capacity:
HOT PRODUCTS
3-Butyn-1-ol Name: 3-Butyn-1-ol
CAS#: 927-74-2
Synonyms:
Capacity:
2-Amino-6-hydroxypyridine Name: 2-Amino-6-hydroxypyridine
CAS#: 6-hydroxy-2-aminopyridine
Synonyms: 5154-00-7
Capacity:
1-Cyclopropyl-6-Fluoro-7-Chloride-4-Oxo- Name: 1-Cyclopropyl-6-Fluoro-7-Chloride-4-Oxo-
CAS#: 100361-18-0
Synonyms:
Capacity:
Ethyl 2,6-Dichloro-5-Fluoro Pyridine-3-Acetoacetate Name: Ethyl 2,6-Dichloro-5-Fluoro Pyridine-3-Acetoacetate
CAS#: 96568-04-6
Synonyms:
Capacity:
N,N-Dimethylformamide Dimethyl Acetal Name: N,N-Dimethylformamide Dimethyl Acetal
CAS#: 4637-24-5
Synonyms: DMF-DMA; 1,1-Dimethoxytrimethylamine
Capacity:
2-methyl-5-nitrobenzoic acid Name: 2-methyl-5-nitrobenzoic acid
CAS#: 1975-52-6
Synonyms: 5-Nitro-2-methyl benzoic acid ; 5-Nitro-o-toluic acid
Capacity: 60MT/Year
4-Methyl-3-nitrobenzoic acid Name: 4-Methyl-3-nitrobenzoic acid
CAS#: 96-98-0
Synonyms: 3-Nitro-4-methyl benzoic acid ; 3-Nitro-p-toluic acid
Capacity:
3-Methyl-4-chloro benzoic acid Name: 3-Methyl-4-chloro benzoic acid
CAS#: 7697-29-2
Synonyms: 4-Chloro-3-Methyl benzoic acid;4-Chloro-m-toluic acid
Capacity:
 
 
CONTACT US
 
Tel: 86-519-88812755
Fax: 86-519-85227977
E-mail:Quantum@loenchem.com  
E-mail:Sales@loenchem.com  
 
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