Chemical identity

Pravastatin EP Impurity G / Pravastatin BP Impurity G / Pravastatin Oxidation Impurity / Desacyl Dehydro Pravastatin (Sodium Salt)

CAS 720666-74-0 · C18H23NaO5

01Identity

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

Lazychem IDLC-25828
PubChem CID58746969
NamePravastatin EP Impurity G / Pravastatin BP Impurity G / Pravastatin Oxidation Impurity / Desacyl Dehydro Pravastatin (Sodium Salt)
CAS RN720666-74-0
Molecular formulaC18H23NaO5
Molecular weight342.36 g/mol
IUPAC name(βR,δR,1S,2S)-1,2-Dihydro-β,δ,6-trihydroxy-2-methyl-1-naphthaleneheptanoic acid sodium salt
InChIKeyXPBYYJYNQDBXDK-RHOWKKHKSA-M

02Structure identifiers

2D structurePubChem CID 58746969
Two-dimensional chemical structure of Pravastatin EP Impurity G / Pravastatin BP Impurity G / Pravastatin Oxidation Impurity / Desacyl Dehydro Pravastatin (Sodium Salt), CAS 720666-74-0
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 2 rings, includes aromatic atoms, includes aliphatic carbon, has 4 defined stereocentres. These statements are calculated from the published structure string.

Defined stereocentres4
Unassigned stereocentres0
Ring count2
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESC[C@H]1C=CC2=C([C@H]1CC[C@H](C[C@H](CC(=O)[O-])O)O)C=CC(=C2)O.[Na+]
InChINot listed
Formula from structureC18H23NaO5
Molecular weight from structure342.36 g/mol

03Stereochemistry

The published structure contains 4 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.

Defined centres4Structure assigned
Unassigned centres0Structure unspecified
Assignment statusFully assignedExact published identity
Tetrahedral upper bound≤ 16Before 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 720666-74-0 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 720666-74-0 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

Pravastatin

View API and impurity family

Other names

  • Pravastatin EP Impurity G
  • Pravastatin Dihydronaphthalene Acid Impurity Sodium Salt
  • Pravastatin Oxidation Impurity Sodium Salt
  • Desacyl Dehydro Pravastatin Sodium Salt

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