I am a research scientist at Columbia University and would like to request a quote for 200 grams of L-threo-3,4-dihydroxyphenylserine (L-DOPS, CAS No. 23651-95-8), research grade, with ≥98% purity. Please include COA and SDS with your quotation.

Packing: Prefer sealed light-protected vials suitable for long-term storage.
Shipping Term: I would prefer DAP (Delivered at Place) to Columbia University, New York, USA. If DAP is not available, please specify alternative terms and delivery costs.
Payment: We typically use institutional PO or wire transfer; please indicate accepted methods.

Thank you very much. Looking forward to your quote and estimated delivery time.