Pyrazolone

♦  Crystal Quinone Pvt Ltd - Dye intermideates 1 -(4-sulphophenayl )-3-carboxy - 5 - pyrazolone ( sampl e of ncv ) 
♦  Dynemic Products Limited - A-445 1-(4 sulphophenyl-3-carboxy-5pyraz olone carboxy pyrazolone 90% min)(dye in termediates) 
♦  Liberty Chem Color - A445 organic chemicals:1-(4-sulphophenyl -3-carboxy-5 pyrazolone)(s.p.c.p.) 
♦  Neelkanth Intermediates - Organic dye intermediates 1(3 chlorophenyl) 3 methyl 5 pyrazolone 
♦  Om Intercontinental - A436 dye intermediate 1 (2,5 dichloro 4- sulphophenyl)3-methyl-5- pyrazolone 
♦  Shyamal Intermediates Ltd - A-445 organic dye intermediate 1-(4-sulp hophenyl-3-carboxy-5 pyrazolone)-1-(4-su lfophenyl)-3-carbo 
♦  Technichem Organics Pvt. Ltd - Dye intermediates 3-carbethoxy 1-phenyl- 5-pyrazolone 
♦  Vivil Exports Pvt. Ltd - Organic dye intermediate 1(4-sulfophenyl 3 carboxy 5 pyrazolone