Impurities
AY-0201-004
Fexofenadine EP Impurity B
C32H39NO4
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Active ingredient reference standard
Fexofenadine
Material overview
Fexofenadine (AY-0201-001) — active ingredient reference standard. CAS 83799-24-0, formula C32H39NO4, molecular weight 501.66 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0201-001
- CAS number
- 83799-24-0
- Molecular formula
- C32H39NO4
- Molecular weight
- 501.66 g/mol
- Category
- Active ingredient reference standard
- Chemical name
- 4-[4-[4-(Hydroxydiphenylmethyl)-1-piperidinyl]-1-hydroxybutyl]-alpha,alpha-dimethylphenylacetic Acid
- Synonyms
- Terfenadine Acid Metabolite; Terfenadine Carboxylate; Carboxyterfenadine; (R)-2-(4-(1-Hydroxy-4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)butyl)phenyl)-2-methylpropanoic acid
- SMILES
- OC(C1=CC=CC=C1)(C2CCN(CCC[C@@]([H])(O)C3=CC=C(C(C)(C)C(O)=O)C=C3)CC2)C4=CC=CC=C4
- Appearance
- White Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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