Back to catalog
Impurity reference standard material

Carbidopa EP Impurity B

Material overview

Carbidopa EP Impurity B (AY-0298-004) — impurity reference standard material. CAS 18181-08-3, formula C11H15NO4, molecular weight 225.24 g/mol. Request technical documentation and current availability.

Confirm availability

Technical identifiers

Catalog number
AY-0298-004
CAS number
18181-08-3
Molecular formula
C11H15NO4
Molecular weight
225.24 g/mol
Category
Impurity reference standard material
Chemical name
3-Hydroxy-Alpha-methyl-L-tyrosine methyl ester
Synonyms
Methyldopa methyl ester; 3-(3,4-Dihydroxyphenyl)-2-methyl alanine methyl ester; Methyl (2S)-2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate; alpha-Methyl-3,4-dihydroxy-L-phenylalanine methyl ester
SMILES
C[C@](C(OC)=O)(N)CC1=CC(O)=C(O)C=C1
Light sensitive
No
Hygroscopic
No

Request this material

Ask about current availability, documentation, or a pack size for your program.

Request a quotation

Available pack sizes

Contact us for pack options.

Storage

Refrigerator

Need help selecting a material?

Our catalog team can help confirm fit, grade, and availability.

Contact catalog support