Chemical identity

4-((2,4-Diaminopyrimidin-5-yl)methyl)-2,6-dimethoxyphenol / Trimethoprim Impurity Y / 4-Demethyltrimethoprim

CAS 21253-58-7 · C13H16N4O3

01Identity

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

Lazychem IDLC-02796
PubChem CID10423570
Name4-((2,4-Diaminopyrimidin-5-yl)methyl)-2,6-dimethoxyphenol / Trimethoprim Impurity Y / 4-Demethyltrimethoprim
CAS RN21253-58-7
Molecular formulaC13H16N4O3
Molecular weight276.29 g/mol
IUPAC name4-((2,4-Diaminopyrimidin-5-yl)methyl)-2,6-dimethoxyphenol
InChIKeyHPOCGNHBIFZCAN-UHFFFAOYSA-N

02Structure identifiers

Two-dimensional chemical structure of 4-((2,4-Diaminopyrimidin-5-yl)methyl)-2,6-dimethoxyphenol / Trimethoprim Impurity Y / 4-Demethyltrimethoprim, CAS 21253-58-7
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 2 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count2
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESOC1=C(OC)C=C(CC2=CN=C(N)N=C2N)C=C1OC
InChINot listed
Formula from structureC13H16N4O3
Molecular weight from structure276.29 g/mol

03India 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 21253-58-7 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 21253-58-7 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.

04Names and relationships

Associated parent compound

Trimethoprim

View API and impurity family

Other names

  • 4-((2,4-Diaminopyrimidin-5-yl)methyl)-2,6-dimethoxyphenol
  • Trimethoprim Impurity Y
  • 4-Demethyltrimethoprim
  • 4'-Hydroxytrimethoprim
  • 2, 4-diamino-5-(3, 5-dimethoxy-4-hydroxybenzyl)pyrimidine
  • 4-Desmethyltrimethoprim

05Documented 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.

06Sources