501331-12-0 L-Serine, L-threonyl-L-tryptophyl- L-Serine, L-threonyl-L-tryptophyl- Catalog No.: 2150720 Name: L-Serine, L-threonyl-L-tryptophyl- CAS: 501331-12-0 Formula: C18H24N4O6 Inquire about this product →