Antineoplaston AS 2-1 is a mixture of phenylacetylglutamine and sodium salts of phenylacetic acid in the ratio 1:4.

104624-98-8

C21H24N2Na2O6

446.4

Antineoplaston AS 2-1

(< 1 mg/ml refers to the product slightly soluble or insoluble )
Powder: -20°C for 3 years
In solvent: -80°C for 2 years