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Levofloxacin Impurity 18

Levofloxacin Impurity 18 Structure
Levofloxacin Impurity 18 structure
CAS No.
138998-47-7
Chemical Name:
Levofloxacin Impurity 18
Synonyms
ethyl (Z)-3-(dimethylamino)-2-(2,3,4,5-tetrafluorobenzoyl)acrylate;Levofloxacin Impurity 18;Levofloxacin acylate impurities;Levofloxacin acylate impurities826;3-dimethylamino-2 - (2,3,4, 5-tetrafluorbenzoyl) -ethyl acrylate;Ethyl 3-(N,N-dimethyl amino)-2-(2,3,4,5-tetrafluorobenzoyl) Acrylate;α-[(Dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-benzenepropanoic Acid Ethyl Ester;Benzenepropanoic acid, α-[(dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-, ethyl ester;Levofloxacin α-[(Dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-benzenepropanoic Acid Ethyl Ester
CBNumber:
CB53380197
Molecular Formula:
C14H13F4NO3
Molecular Weight:
319.25
MDL Number:
MFCD30531852
MOL File:
138998-47-7.mol
Product description Number Pack Size Price
α-[(Dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-benzenepropanoic Acid Ethyl Ester 469295 100mg $375
α-[(Dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-benzenepropanoic Acid Ethyl Ester 469295 500mg $885
α-[(Dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-benzenepropanoicAcidEthylEster D492410 5g $3080
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Levofloxacin Impurity 18 Properties

Boiling point 381.5±42.0 °C(Predicted)
Density 1.324±0.06 g/cm3(Predicted)
pka 2.27±0.70(Predicted)

Levofloxacin Impurity 18 price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Usbiological 469295 α-[(Dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-benzenepropanoic Acid Ethyl Ester 138998-47-7 100mg $375 2026-06-03 Buy
Usbiological 469295 α-[(Dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-benzenepropanoic Acid Ethyl Ester 138998-47-7 500mg $885 2026-06-03 Buy
TRC D492410 α-[(Dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-benzenepropanoicAcidEthylEster 138998-47-7 5g $3080 2021-12-16 Buy
Product number Packaging Price Buy
469295 100mg $375 Buy
469295 500mg $885 Buy
D492410 5g $3080 Buy

Levofloxacin Impurity 18 Chemical Properties,Uses,Production

Uses

α-[(Dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-benzenepropanoic Acid Ethyl Ester is used in the synthesis of the drug Levofloxacin (L360000), which is a S-(-) form of Ofloxacin (O245750), an antibiotic used against gram-negative organisms.

Levofloxacin Impurity 18 Preparation Products And Raw materials

Raw materials

Preparation Products

Levofloxacin Impurity 18 Suppliers

Global( 28)Suppliers
Supplier Tel Email Country ProdList Advantage
Standardpharm Co. Ltd. 		86-714-3992388 overseasales1@yongstandards.com United States 14320 58
BOC Sciences 		16314854226; +8616314854226 inquiry@bocsci.com United States 19852 58
CR Corporation Limited 		fred.wen@crcorporation.cn China 8642 58
Moxin Chemicals 		+86-17320513646 +86-17320513646 anna@molcoo.com China 9998 58
S.Z. PhyStandard Bio-Tech. Co., Ltd. 0755-4000505016 13380397412 3001272453@qq.com China 5000 50
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Nanjing XiZe Biotechnology CO., Ltd. 025-66023220 15250997978 1511893459@qq.com China 4756 55
Shanghai CR Corporation Limited 13062833949; 13062833949 fred.wen@crcorporation.cn China 9794 58
Shenzhen SUNGENING Bio-Medical Co., Ltd. 0755-28967200 13631290199 wxf@sungening.com China 9609 60
Guangzhou Dreampharm Biotechnology Co., Ltd. 020-36607679; 13502246435 3008233746@qq.com China 9965 12
Supplier Advantage
Standardpharm Co. Ltd. 		58
BOC Sciences 		58
CR Corporation Limited 		58
Moxin Chemicals 		58
S.Z. PhyStandard Bio-Tech. Co., Ltd. 50
Quality Control Solutions Ltd. 56
Nanjing XiZe Biotechnology CO., Ltd. 55
Shanghai CR Corporation Limited 58
Shenzhen SUNGENING Bio-Medical Co., Ltd. 60
Guangzhou Dreampharm Biotechnology Co., Ltd. 12

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Levofloxacin Impurity 18 Levofloxacin α-[(Dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-benzenepropanoic Acid Ethyl Ester Benzenepropanoic acid, α-[(dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-, ethyl ester α-[(Dimethylamino)methylene]-2,3,4,5-tetrafluoro-β-oxo-benzenepropanoic Acid Ethyl Ester 3-dimethylamino-2 - (2,3,4, 5-tetrafluorbenzoyl) -ethyl acrylate Levofloxacin acylate impurities826 Levofloxacin acylate impurities Ethyl 3-(N,N-dimethyl amino)-2-(2,3,4,5-tetrafluorobenzoyl) Acrylate ethyl (Z)-3-(dimethylamino)-2-(2,3,4,5-tetrafluorobenzoyl)acrylate 138998-47-7 C14H13F4NO3