Ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate CAS NO.161798-01-2

Febuxostat intermediates: 1). 4-hydroxybenzothioamide?????????? CAS NO.25984-63-8 Purity:98%(HPLC) Appearance: Light green to off-white powder Mole…

Febuxostat intermediates: 1). 4-hydroxybenzothioamide?????????? CAS NO.25984-63-8 Purity:98%(HPLC) Appearance: Light green to off-white powder Molecular Formula:C7H7NOS 2). ethyl 2-(4-hydroxyphenyl)-4-methyl thiazole-5-carboxylate? CAS NO.161797-99-5 Purity:98% (HPLC) Appearance:light-yellow powder Molecular Formula:C13H13NO3S 3). ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methyl thiazole-5-carboxylate??CAS NO.161798-01-2 Purity:95% or 98%(HPLC) Appearance:yellow to light-yellow powder Molecular Formula:C14H13NO4S 4). ethyl 2-(3-formyl-4-iso butoxyphenyl)-4-methylthiazole-5-carboxylate?CAS NO.161798-03-4 Purity:98%(HPLC) Appearance:off-white powder Molecular Formula:C18H21NO4S 5). ethyl 2-(3-cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylate CAS NO.160844-75-7 Purity:98%(HPLC) Appearance:off-white powder Molecular Formula:C18H20N2O3S