Chemical identity

Octadecanaldehyde

CAS 638-66-4 · C18H36O

01Identity

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

Lazychem IDLC-23885
PubChem CID12533
NameOctadecanaldehyde
CAS RN638-66-4
Molecular formulaC18H36O
Molecular weight268.48 g/mol
IUPAC name1-Octadecanal
InChIKeyFWWQKRXKHIRPJY-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 12533
Two-dimensional chemical structure of Octadecanaldehyde, CAS 638-66-4
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure is acyclic, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count0
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCCCCCCCCCCCCCCCCCC=O
InChINot listed
Formula from structureC18H36O
Molecular weight from structure268.48 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 638-66-4 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 638-66-4 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

Irganox

View associated product family

Other names

  • Octadecanal
  • Stearaldehyde
  • Stearyl aldehyde
  • 1-octadecanal
  • PH4GZ7JT4C
  • EINECS 211-346-9
  • NSC 68100
  • UNII-PH4GZ7JT4C
  • CHEBI:17034
  • DTXSID60213250
  • Octadecanal (9CI)
  • RefChem:167578

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