PROFESSIONAL SUPPLIER OF
CHEMICAL PRODUCTS
Name Synonyms Ãû³Æ ±ðÃû CAS
2-Methyl-4-nitroaniline 2-Amino-5-nitrotoluene 2-¼×»ù-4-Ïõ»ù±½°· 5-Ïõ»ù-2-°±»ù¼×±½ 99-52-5
4-Nitro-o-toluidine
4637-24-5
N,N-Dimethylformamide Dimethyl Acetal DMF-DMA N,N-¶þ¼×»ù¼×õ£°·¶þ¼×»ùËõÈ© DMF-DMA
1,1-Dimethoxytrimethylamine 1,1-¶þ¼×»ù¼×õ£°·¶þ¼×»ùËõÈ©
2-methyl-5-aminobenzoic acid 5-Amino-2-methyl benzoic acid 2-¼×»ù-5-°±»ù±½¼×Ëá 2-°±»ù-5-¼×»ù±½¼×Ëá 2840-4-2
5-Amino-o-toluic acid
2-methyl-5-nitrobenzoic acid 5-Nitro-2-methyl benzoic acid 2-¼×»ù-5-Ïõ»ù±½¼×Ëá 5-¼×»ù-2-Ïõ»ù±½¼×Ëá 1975-52-6
5-Nitro-o-toluic acid
2-methyl-5-bromobenzoic acid 5-Bromo-2-Methylbenzoic acid 2-¼×»ù-5-äå±½¼×Ëá 5-äå-2-¼×»ù±½¼×Ëá 79669-49-1
3-Methyl-2-aminobenzoic acid 2-Amino-3-methyl benzoic acid 3-¼×»ù-2-°±»ù±½¼×Ëá 2-°±»ù-3-¼×»ù±½¼×Ëá 4389-45-1
2-Amino-m-toluic acid
3-Methyl-2-chloro benzoic acid 2-Chloro-3-methyl benzoic acid 3-¼×»ù-2-Âȱ½¼×Ëá 2-ÂÈ-3-¼×»ù±½¼×Ëá 15068-35-6
3-Methyl-2-nitrobenzoic acid 2-Nitro-3-methyl benzoic acid 3-¼×»ù-2-Ïõ»ù±½¼×Ëá 2-Ïõ»ù-3-¼×»ù±½¼×Ëá 5437-38-7
2-Nitro-m-toluic acid
3-methyl-2-bromobenzoic acid 2-Bromo-3-Methylbenzoic acid 3-¼×»ù-2-äå±½¼×Ëá 2-äå-3-¼×»ù±½¼×Ëá 53663-39-1
3-Methyl-4-amino Benzoic Acid 4-Amino-3-methylbenzoicacid 3-¼×»ù-4-°±»ù±½¼×Ëá 4-°±»ù-3-¼×»ù±½¼×Ëá 2486-70-6
4-Amino-m-toluic acid
3-Methyl-4-chloro benzoic acid 4-Chloro-3-Methyl benzoic acid 3-¼×»ù-4-Âȱ½¼×Ëá 4-ÂÈ-3-¼×»ù±½¼×Ëá 7697-29-2
4-Chloro-m-toluic acid
3-methyl-4-nitrobenzoic acid 4-Nitro-3-methyl benzoic acid 3-¼×»ù-4-Ïõ»ù±½¼×Ëá 4-Ïõ»ù-3-¼×»ù±½¼×Ëá 3113-71-1
4-Nitro-m-toluic acid
3-methyl-4-bromobenzoic acid 4-Bromo-3-Methylbenzoic acid 3-¼×»ù-4-äå±½¼×Ëá 4-äå-3-¼×»ù±½¼×Ëá 7697-28-1
4-Bromo-m-toluic acid
4-Methyl-3-aminobenzoic acid 3-Amino-4-Methylbenzoic acid 4-¼×»ù-3-°±»ù±½¼×Ëá 3-°±»ù-4-¼×»ù±½¼×Ëá 2458-12-0
3-Amino-p-toluic acid
4-Methyl-3-nitrobenzoic acid 3-Nitro-4-methyl benzoic acid 4-¼×»ù-3-Ïõ»ù±½¼×Ëá 3-Ïõ»ù-4-¼×»ù±½¼×Ëá 96-98-0
3-Nitro-p-toluic acid
Methyl 2-Methyl-5-aminobenzoate Methyl 5-amino-2-Methylbenzoate 2-¼×»ù-5-°±»ù±½¼×Ëá¼×õ¥ 5-°±»ù-2-¼×»ù±½¼×Ëá¼×õ¥
Methyl 2-Methyl-5-Nitrobenzoate Methyl 5-Nitro-2-Methylbenzoate 2-¼×»ù-5-Ïõ»ù±½¼×Ëá¼×õ¥ 5-Ïõ»ù-2-¼×»ù±½¼×Ëá¼×õ¥
Methyl 3-Methyl-2-aminobenzoate Methyl 2-Amino-3-Methylbenzoate 3-¼×»ù-2-°±»ù±½¼×Ëá¼×õ¥ 2-°±»ù-3-¼×»ù±½¼×Ëá¼×õ¥ 22223-49-0
Methyl 3-Methyl-2-Nitrobenzoate Methyl 2-nitro-3-methylbenzoate 3-¼×»ù-2-Ïõ»ù±½¼×Ëá¼×õ¥ 2-°±»ù-3-Ïõ»ù±½¼×Ëá¼×õ¥ 5471-82-9
Methyl 3-Methyl-4-aminobenzoate Methyl 4-amino-3-methylbenzoate 3-¼×»ù-4-°±»ù±½¼×Ëá¼×õ¥ 4-°±»ù-3-¼×»ù±½¼×Ëá¼×õ¥ 18595-14-7
4-Amino-m-toluic acid methyl ester
Methyl 3-Methyl-4-Nitrobenzoate Methyl 4-nitro-3-methylbenzoate 3-¼×»ù-4-Ïõ»ù±½¼×Ëá¼×õ¥ 4-Ïõ»ù-3-¼×»ù±½¼×Ëá¼×õ¥ 24078-21-5
4-Nitro-m-toluic acid methyl ester
Methyl 4-Methyl-3-aminobenzoate Methyl 3-Amino-4-Methylbenzoate 4-¼×»ù-3-°±»ù±½¼×Ëá¼×õ¥ 3-°±»ù-4-¼×»ù±½¼×Ëá¼×õ¥ 18595-18-1
3-Amino-p-toluic acid methyl ester
Methyl 4-Methyl-3-Nitrobenzoate Methyl 3-nitro-4-methylbenzoate 4-¼×»ù-3-Ïõ»ù±½¼×Ëá¼×õ¥ 3-Ïõ»ù-4-¼×»ù±½¼×Ëá¼×õ¥ 7356-11-8
2-Methyl-5-chloro benzoic acid 5-chloro-2-Methyl benzoic acid 2-¼×»ù-5-Âȱ½¼×Ëá 5-ÂÈ-2-¼×»ù±½¼×Ëá 1042-81-5
2-Methyl-4-nitroaniline 4-nitro-2-Methylaniline 2-¼×»ù-4-Ïõ»ù±½°· 4-Ïõ»ù-2-¼×»ù±½°· 99-52-5
Ethyl 3-Methyl-4-nitrobenzoate Ethyl 4-nitro-3-Methylbenzoate 3-¼×»ù-4-Ïõ»ù±½¼×ËáÒÒõ¥ 4-Ïõ»ù-3-¼×»ù±½¼×ËáÒÒõ¥ 30650-90-9
Ethyl 2,6-Dichloro-5-Fluoro Pyridine-3-Acetoacetate 2,6-¶þÂÈ-5-·úÑÌõ£ÒÒËáÒÒõ¥ ·úÂÈÑÌËáõ¥ 96568-04-6
Indole-6-methyl acid ßÅßá-6-¼×Ëá 1670-82-2
3-(Aminomethyl)pyridine 3-°±¼×»ùßÁठ3731-52-0
3-Methylaminopyridine 3-¼×°±»ùßÁठ18364-47-1
2-Methyl-5-hydroxybenzoic acid 5-hydroxy-2-Methylbenzoic acid 2-¼×»ù-5-ôÇ»ù±½¼×Ëá 5-ôÇ»ù-2-¼×»ù±½¼×Ëá
3-Methyl-2-Hydroxy benzoic acid 2-Hydroxy-3-Methyl benzoic acid 3-¼×»ù-2-ôÇ»ù±½¼×Ëá 2-ôÇ»ù-3-¼×»ù±½¼×Ëá 83-40-9
3-Methyl-4-Hydroxy benzoic acid 4-Hydroxy-3-Methyl benzoic acid 3-¼×»ù-4-ôÇ»ù±½¼×Ëá 4-ôÇ»ù-3-¼×»ù±½¼×Ëá 3556-86-3
4-Methyl-3-hydroxybenzoic acid 3-hydroxy-4-Methylbenzoic acid 4-¼×»ù-3-ôÇ»ù±½¼×Ëá 3-ôÇ»ù-4-¼×»ù±½¼×Ëá 586-30-1
2-Methyl-5-methoxybenzoic acid 5-methoxy-2-Methylbenzoic acid 2-¼×»ù-5-¼×Ñõ»ù±½¼×Ëá 5-¼×Ñõ»ù-2-¼×»ù±½¼×Ëá
4-Methyl-3-methoxybenzoic acid 3-methoxy-4-Methylbenzoic acid 4-¼×»ù-3-¼×Ñõ»ù±½¼×Ëá 3-¼×Ñõ»ù-4-¼×»ù±½¼×Ëá 7151-68-0
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
CatalogName:
Benzoic Acid Series
Name : 4-Methyl-3-methoxybenzoic acid
CAS# : 7151-68-0
Synonyms : 3-methoxy-4-methylbenzoic acid
Capacity :
CatalogName:
Benzoic Acid Series
Name : 3-Methyl-2-Hydroxy benzoic acid
CAS# : 83-40-9
Synonyms : 2-Hydroxyl-3-Methyl benzoic acid,3-Methylsalicylic acid
Capacity :
CatalogName:
Benzoic acid ramification
Name : Methyl 2-Methyl-5-Nitrobenzoate
CAS# : 77324-87-9
Synonyms : Methyl 5-Nitro-2-methylbenzoate
Capacity : Made by order
CatalogName:
Benzoic Acid Series
Name : 3-Methyl-4-bromobenzoic acid
CAS# : 7697-28-1
Synonyms : 4-Bromo-3-Methylbenzoic acid, 4-Bromo-m-toluic acid
Capacity :
HOT PRODUCTS
Name : 3-Butyn-1-ol
CAS# : 927-74-2
Synonyms :
Capacity :
Name : chloro sufonyl isocyanate
CAS# : 1189-71-5
Synonyms :
Capacity :
Name : N,N-Dimethylformamide Dimethyl Acetal
CAS# : 4637-24-5
Synonyms : DMF-DMA; 1,1-Dimethoxytrimethylamine
Capacity :
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
Name : 4-Methyl-3-nitrobenzoic acid
CAS# : 96-98-0
Synonyms : 3-Nitro-4-methyl benzoic acid ; 3-Nitro-p-toluic acid
Capacity :
Name : 3-Methyl-4-chloro benzoic acid
CAS# : 7697-29-2
Synonyms : 4-Chloro-3-Methyl benzoic acid;4-Chloro-m-toluic acid
Capacity :
Name : 3-Methyl-2-nitrobenzoic acid
CAS# : 5437-38-7
Synonyms : 2-Nitro-3-methyl benzoic acid ; 2-Nitro-m-toluic acid
Capacity :
Name : 3-Methyl-2-chloro benzoic acid
CAS# : 15068-35-6
Synonyms : 2-Chloro-3-methyl benzoic acid
Capacity :
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E-mail :Quantum@loenchem.com
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