Chemical identity

Levodopa EP Impurity C

CAS 7636-26-2 · C10H13NO4

01Identity

Identifiers and names for this exact compound. Empty fields are left unassigned.

Lazychem IDLC-31947
PubChem CID1670
NameLevodopa EP Impurity C
CAS RN7636-26-2
Molecular formulaC10H13NO4
Molecular weight211.21 g/mol
IUPAC name(2RS)-2-Amino-3-(4-hydroxy-3-methoxyphenyl)propanoic acid
InChIKeyPFDUUKDQEHURQC-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 1670
Two-dimensional chemical structure of Levodopa EP Impurity C, CAS 7636-26-2
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 1 ring, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres1
Ring count1
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESO=C(O)C(N)CC1=CC=C(O)C(OC)=C1
InChINot listed
Formula from structureC10H13NO4
Molecular weight from structure211.21 g/mol

03Stereochemistry

The published structure contains 0 defined and 1 unassigned tetrahedral stereocentre. The exact wedge and dash depiction is shown above.

Defined centres0Structure assigned
Unassigned centres1Structure unspecified
Assignment statusUnassignedExact published identity
Tetrahedral upper bound≤ 2Before symmetry reduction

Published same-connectivity configurations

4 records

These records have the same connectivity, molecular formula and protonation layer, but a different complete InChIKey stereochemical layer. Only separately structure-linked records are shown.

Scope: The mathematical 2^n value is only an upper bound. Symmetry and other stereogenic elements can change the number of distinct stereoisomers. A hypothetical configuration is not published as a compound record without a verified structure identity.

04India status for this compound

These results apply only to this exact compound name and CAS number. Confirm the current official instruments before making a regulatory decision.

NDPS / RCSNO EXACT MATCH FOUNDCAS 7636-26-2 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 7636-26-2 has no exact match in the reviewed SCOMET list.
Review date2026-08-01Recheck the current official instruments for the material, concentration, activity and date in question.

05Names and relationships

Associated parent compound

Levodopa

View API and impurity family

Other names

  • 3-Methoxytyrosine
  • L-3-Methoxytyrosine
  • 3-(4-Hydroxy-3-methoxyphenyl)alanine
  • 4-Hydroxy-3-methoxyphenylalanine
  • 3-methoxy-4-hydroxyphenylalanine
  • Levodopa Related Compound B/ 3-Methoxy-DL-tyrosine

Related records from the same parent family

06Documented history

Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.

No dated history available

No verified discovery, first report, occurrence, use or issue event is currently available for this identity.

07Sources