Chemical identity

2-Methanol Abemaciclib

CAS 2138499-06-4 · C27H32F2N8O

01Identity

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

Lazychem IDLC-02007
PubChem CID139600311
Name2-Methanol Abemaciclib
CAS RN2138499-06-4
Molecular formulaC27H32F2N8O
Molecular weight522.59 g/mol
IUPAC name6-[2-[[5-[(4-Ethyl-1-piperazinyl)methyl]-2-pyridinyl]amino]-5-fluoro-4-pyrimidinyl]-4-fluoro-1-(1-methylethyl)-1H-benzimidazole-2-methanol
InChIKeyKUJBDJBMXOTNIT-UHFFFAOYSA-N

02Structure identifiers

Two-dimensional chemical structure of 2-Methanol Abemaciclib, CAS 2138499-06-4
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 5 rings, includes aromatic atoms, includes aliphatic carbon, contains at least one halogen atom. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres0
Ring count5
Secondary amines1
Tertiary amines2
N-methyl amine sites0
SMILESCCN1CCN(CC1)CC2=CN=C(C=C2)NC3=NC=C(C(=N3)C4=CC5=C(C(=C4)F)N=C(N5C(C)C)CO)F
InChINot listed
Formula from structureC27H32F2N8O
Molecular weight from structure522.59 g/mol

03Possible N-nitroso structures

Shown for structural screening only. These candidates are not confirmed impurities, formation predictions or analytical findings.

Matched amine site1 candidate
Chemical structure of 2-Methanol Abemaciclib with the matched amine site highlighted in amber
Amber identifies the screened atom and adjacent bonds.
Possible structure candidateUnverified identity
First calculated possible N-nitroso structure derived from 2-Methanol Abemaciclib, with the new N-nitroso group highlighted in amber
The new N-N=O atoms and bonds are highlighted. No CAS number or compound name is assigned by this calculation.
Candidate 1Possible N-nitroso structural candidate
Calculated formula
C27H31F2N9O2
Candidate SMILES
CCN1CCN(Cc2ccc(N(N=O)c3ncc(F)c(-c4cc(F)c5nc(CO)n(C(C)C)c5c4)n3)nc2)CC1

Interpretation: A structural alert alone does not establish that a nitrosamine forms. Evaluate nitrite sources, amine reagents, pH, temperature, process sequence, purge and analytical evidence.

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 2138499-06-4 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 2138499-06-4 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.

05Names and relationships

Associated parent compound

Abemaciclib

View API and impurity family

Other names

  • Abemaciclib metabolite M20
  • 2138499-06-4
  • CDK4/6-IN-4
  • (6-(2-((5-((4-Ethylpiperazin-1-yl)methyl)pyridin-2-yl)amino)-5-fluoropyrimidin-4-yl)-4-fluoro-1-isopropyl-1H-benzo[d]imidazol-2-yl)methanol
  • LSN3106726
  • [6-[2-[[5-[(4-ethylpiperazin-1-yl)methyl]pyridin-2-yl]amino]-5-fluoropyrimidin-4-yl]-4-fluoro-1-propan-2-ylbenzimidazol-2-yl]methanol
  • ?2-?Methanol Abemaciclib
  • orb1309851
  • SCHEMBL23387651
  • C27H32F2N8O
  • AKOS040732769
  • DA-72040

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