Chemical identity

Emtricitabine IP Impurity F

CAS 51-21-8 · C4H3FN2O2

01Identity

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

Lazychem IDLC-14029
PubChem CID3385
NameEmtricitabine IP Impurity F
CAS RN51-21-8
Molecular formulaC4H3FN2O2
Molecular weight130.08 g/mol
IUPAC name5-Fluoropyrimidin-2,4(1H,3H)-dione
InChIKeyGHASVSINZRGABV-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 3385
Two-dimensional chemical structure of Emtricitabine IP Impurity F, CAS 51-21-8
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, contains at least one halogen atom. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count1
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESO=C1NC(C(F)=CN1)=O
InChINot listed
Formula from structureC4H3FN2O2
Molecular weight from structure130.08 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 51-21-8 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 51-21-8 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

Emtricitabine; Fluorouracil

View API and impurity family

Other names

  • fluorouracil
  • 5-Fluoracil
  • 5-Fluoropyrimidine-2,4-dione
  • 5-fluoro-1,2,3,4-tetrahydropyrimidine-2,4-dione
  • 5-Fluorouracil
  • 51-21-8
  • Efudex
  • Fluracil
  • Fluoroblastin
  • Carzonal
  • Queroplex
  • Fluril

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