33818-15-4 Appearance:white crystalline powder. Pakcing25 kg/drum Specification: usp bp Shelf life,2 years  molecular formula:c14h25n4nao11p2 About company Shanghai sunflower ingredients co., ltd. Is a trading company distributing food ingredients, pharmaceutical apis and nutraceutical supplements. Core products are halal glucosamine, chondroitin sulfate, fish and bovine collagen, mebhydroline napadisylate and levodopa. Product list Glucosamine sulfate, glucosamine hcl Chitosan Bovine /shark chondroitin Fish/bovine collagen Beta-carotene Diosmin   Levodopa Glutathione reduced