Dear Madam,

Greeting of the day!!!!

As per our discussion we need below material initially lab development (Qty. 5 kg) then Commercial scale (100 kg)

Material Name : Sulphuric anhydride or Sulfur Trioxide (SO3) CAS No.: 7446-11-9,
Kindly send quotation for 5kg,50kg & 100kg ASP

With best regards,

Sahadev Suryavanshi
Manager-R&D(API) 
CENTAUR PHARMACEUTICALS PVT. LTD. 
API DIVISION