we have a requirement of CAS no. 492-22-8 Thioxanthen-9-One Qty would be initially 1-3 kgs for development and quality approvals. Commercial Qty would be from 500kgs to 1000 Kgs monthly basis. Pls let us know if you can offer this product along with COA, lead time and packaging size to consider your price offer. Your prompt response would be much appreciated.