Methyl 5 chloro 3 chlorosuphonylthiophene 2 carboxylate CAS No 158439 31 7

Methyl 5-chloro-3-chlorosuphonylthiophene-2-carboxylate is an important pharm intermediate.We have exported this product for many years. We provide good quality and service, this makes us build good relationship with our customers.Methyl 5-chloro-3-chlorosuphonylthiophene-2-carboxylate3-(Chlorosulfonyl)-2,5-thiophenedicarboxylic   acid dimethyl ester;Dimethyl 3-chlorosulfonyl-2,5-thiophenedicarboxylate;158439-31-7275.13000C6H4Cl2O4S2Appearance:White   or off-white SolidPurity % (HPLC):99.0   min25kg/fiber drum, or according to the demand of customerSulphonyl Chlorides;Thiophenes Benzothiophenes;CAS NO. 59337-92-7Methyl 3-chlorosulfonylthiophene-2-carboxylate url:http://www.yunnuochem.com