Impurities
AY-0297-005
Levodopa EP Impurity D
C9H11NO4
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Impurity reference standard material
Levodopa EP Impurity B
Material overview
Levodopa EP Impurity B (AY-0297-006) — impurity reference standard material. CAS 60-18-4, formula C9H11NO3, molecular weight 181.19 g/mol. Request technical documentation and current availability.
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Technical identifiers
- Catalog number
- AY-0297-006
- CAS number
- 60-18-4
- Molecular formula
- C9H11NO3
- Molecular weight
- 181.19 g/mol
- Category
- Impurity reference standard material
- Chemical name
- (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid
- Synonyms
- (S)-Tyrosine; L-Tyrosine (USP); (S)-2-Amino-3-(4-hydroxyphenyl)propanoic acid; L-4-Hydroxyphenylalanine; 2-amino-3-(4-hydroxyphenyl)-; L-p-Tyrosine
- SMILES
- C1=CC(=CC=C1C[C@@H](C(=O)O)N)O
- Appearance
- White to Off-White Solid
- Light sensitive
- No
- Hygroscopic
- No
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Storage
Refrigerator
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API
AY-0297-001
Levodopa
C9H11NO4
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