Synonyms5,5?-[(2-Hydroxy-1,3-propanediyl)bis(oxy)]bis[4-oxo-4H-1-benzopyran-2-carboxylic Acid]-d5; Allergocrom-d5; Alloptrex-d5 Close 5,5?-[(2-Hydroxy-1,3-propanediyl)bis(oxy)]bis[4-oxo-4H-1-benzopyran-2-carboxylic Acid]-d5; Allergocrom-d5; Alloptrex-d5 Related products Cromolyn M.F. M.W. 468.38 CAT# AR-C03712 CAS# 16110-51-3 Cromolyn-d5 M.F. M.W. 473.41 CAT# AR-C03713 CAS# 16110-51-3(non-d)