C12H15ClN2O2
254.71 g/mol
Pharmaceutical IntermediateDanger
Methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate hydrochloride
CAS14907-27-8EC639-469-7
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate
D-tryptophan methyl ester hydrochloride is a salt-form derivative of the amino acid D-tryptophan. It is primarily used as a pharmaceutical intermediate in the manufacturing process of tadalafil.
Pharmaceutical intermediate for tadalafil synthesisLaboratory reagent for research
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Referencestereoisomer of
Methyl L-tryptophanate
CAS4299-70-1
pharmaceutical intermediate
Safety Reference
Danger
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate hydrochloride (CAS 14907-27-8) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate;hydrochloride
InChIKey
XNFNGGQRDXFYMM-HNCPQSOCSA-N
SMILES
COC(=O)[C@@H](CC1=CNC2=CC=CC=C21)N.Cl
Synonyms (23)
- D-TRYPTOPHAN METHYL ESTER HCL
- DTrp-OMe.HCl
- H-D-Trp-OMe.HCl
- Tadalafil Impurity 39
- Tadalafil Intermediate I
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