Chemical identity

Mometasone EP Impurity D/ Mometasone Furoate Epoxy Impurity/ Mometasone Furoate EP Impurity D/ Epoxy Mometasone Furoate

CAS 83881-09-8 · C27H29ClO6

01Identity

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

Lazychem IDLC-20533
PubChem CID11733610
NameMometasone EP Impurity D/ Mometasone Furoate Epoxy Impurity/ Mometasone Furoate EP Impurity D/ Epoxy Mometasone Furoate
CAS RN83881-09-8
Molecular formulaC27H29ClO6
Molecular weight484.97 g/mol
IUPAC name21-Chloro-9,11β-epoxy-16α-methyl-3,20-dioxo-9β-pregna-1,4-dien-17-yl furan-2-carboxylate
InChIKeyPGAGVJAYRDPYKY-QVWMRSGNSA-N

02Structure identifiers

2D structurePubChem CID 11733610
Two-dimensional chemical structure of Mometasone EP Impurity D/ Mometasone Furoate Epoxy Impurity/ Mometasone Furoate EP Impurity D/ Epoxy Mometasone Furoate, CAS 83881-09-8
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 6 rings, includes aromatic atoms, includes aliphatic carbon, has 8 defined stereocentres, contains at least one halogen atom. These statements are calculated from the published structure string.

Defined stereocentres8
Unassigned stereocentres0
Ring count6
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESC[C@@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@@]4([C@]35[C@@H](O5)C[C@@]2([C@]1(C(=O)CCl)OC(=O)C6=CC=CO6)C)C
InChINot listed
Formula from structureC27H29ClO6
Molecular weight from structure484.97 g/mol

03Stereochemistry

The published structure contains 8 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.

Defined centres8Structure assigned
Unassigned centres0Structure unspecified
Assignment statusFully assignedExact published identity
Tetrahedral upper bound≤ 256Before symmetry reduction

Published same-connectivity configurations

1 record

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.

No additional structure-linked configuration with the same connectivity is currently present in the LazyChem dataset.

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 83881-09-8 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 83881-09-8 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.

05Names and relationships

Associated parent compound

Mometasone

View API and impurity family

Other names

  • Mometasone Furoate EP Impurity D
  • 9,11-Epoxidemometasone furoate
  • 9-De(chloro)-9,11-epoxidemometasone furoate
  • Mometasone Furoate Epoxy Impurity
  • 83881-09-8
  • MXB9NYH7DP
  • Mometasone Furoate Impurity D
  • Mometasone furoate impurity D [EP]
  • [(1S,2S,10S,11S,13R,14R,15S,17S)-14-(2-chloroacetyl)-2,13,15-trimethyl-5-oxo-18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadeca-3,6-dien-14-yl] furan-2-carboxylate
  • 21-Chloro-9,11beta-epoxy-16alpha-methyl-3,20-dioxo-9beta-pregna-1,4-dien-17-yl furan-2-carboxylate
  • MOMETASONE FUROATE IMPURITY D [EP IMPURITY]
  • (9.BETA.,11.BETA.,16.ALPHA.)-21-CHLORO-9,11-EPOXY-17-((2-FURANYLCARBONYL)OXY)-16-METHYLPREGNA-1,4-DIENE-3,20-DIONE

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