Unique Ingredient Identifier W9Q9OB858O is listed as a ingredient substance
| RN | 523-44-4 | 
| EC | 208-346-6 | 
| MF | C16H11N2O4S.Na | 
| INCHI KEY | AZLXCBPKSXFMET-ZAGWXBKKSA-M | 
| SMILES | [Na+].OC1=C2C=CC=CC2=C(C=C1)\N=N\C3=CC=C(C=C3)S([O-])(=O)=O | 
UNII W9Q9OB858O ACID ORANGE 20 is commonly included in medications in the following forms.
| Route | Dosage Form | Potency | 
|---|---|---|
| ORAL | TABLET | NA |