Chemical identity

Betamethasone EP Impurity G

CAS 85700-75-0 · C22H30O5

01Identity

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

Lazychem IDLC-08111
PubChem CID3595301
NameBetamethasone EP Impurity G
CAS RN85700-75-0
Molecular formulaC22H30O5
Molecular weight374.5 g/mol
IUPAC name11α,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione
InChIKeyWNYLPFCKNQAAMB-UHFFFAOYSA-N

02Structure identifiers

2D structurePubChem CID 3595301
Two-dimensional chemical structure of Betamethasone EP Impurity G, CAS 85700-75-0
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 4 rings, includes aliphatic carbon. These statements are calculated from the published structure string.

Defined stereocentres0
Unassigned stereocentres8
Ring count4
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCC1CC2C3CCC4=CC(=O)C=CC4(C3C(CC2(C1(C(=O)CO)O)C)O)C
InChINot listed
Formula from structureC22H30O5
Molecular weight from structure374.5 g/mol

03Stereochemistry

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

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

Published same-connectivity configurations

4 records

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.

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 85700-75-0 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 85700-75-0 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

Betamethasone

View API and impurity family

Other names

No synonyms are listed.

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