Impurities
AY-0222-002
Cromolyn Related Compound A
C19H20O7
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Impurity reference standard material
Sodium Cromoglicate EP Impurity B
Material overview
Sodium Cromoglicate EP Impurity B (AY-0222-003) — impurity reference standard material. CAS 16150-45-1, formula C27H24O11, molecular weight 524.47 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0222-003
- CAS number
- 16150-45-1
- Molecular formula
- C27H24O11
- Molecular weight
- 524.47 g/mol
- Category
- Impurity reference standard material
- Chemical name
- 2,2`-Diethyl5,5`-[(2-hydroxy-1,3-propanediyl)bis(oxy)]bis[4-oxo-4H-1-benzopyran-2-carboxylate
- Synonyms
- Diethyl Cromoglycate; Cromolyn Related Compound B (USP); diethyl5,5`-((2-hydroxypropane-1,3-diyl)bis(oxy))bis(4-oxo-4H-chromene-2-carboxylate
- SMILES
- OC(COC1=CC=CC2=C1C(C=C(C(OCC)=O)O2)=O)COC3=CC=CC4=C3C(C=C(C(OCC)=O)O4)=O
- Appearance
- Pale Beige Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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