E633 (Calcium inosinate) is a chemical compound, the calcium salt of inosinic acid.

It appears as a white powder insoluble in alcohol.

What it is used for and where

Food

Ingredient included in the list of European food additives as E633 as a flavour enhancer to improve the taste of food and beverages.

Safety

In the minimum quantities in which it is included in food or cosmetics, it is of no concern. Check for cumulative intake.

• Molecular Formula  C₁₀H₁₁CaN₄O₈P
• Molecular Weight    386.27 
• CAS  38966-29-9    3387-37-9
• UNII    DE2I245H9C
• EC Number

Synonyms:

• Calcium 5'-inosinate