Chemical identity

Paclitaxel EP Impurity G / 10-Desacetyl Paclitaxel

CAS 78432-77-6 · C45H49NO13

01Identity

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

Lazychem IDLC-24520
PubChem CID155831
NamePaclitaxel EP Impurity G / 10-Desacetyl Paclitaxel
CAS RN78432-77-6
Molecular formulaC45H49NO13
Molecular weight811.87 g/mol
IUPAC name10-O-Deacetylpaclitaxel
InChIKeyTYLVGQKNNUHXIP-MHHARFCSSA-N

02Structure identifiers

2D structurePubChem CID 155831
Two-dimensional chemical structure of Paclitaxel EP Impurity G / 10-Desacetyl Paclitaxel, CAS 78432-77-6
Two-dimensional structure for the PubChem identity linked to this record. Confirm the identifiers before analytical use.

The parsed structure contains 7 rings, includes aromatic atoms, includes aliphatic carbon, has 11 defined stereocentres. These statements are calculated from the published structure string.

Defined stereocentres11
Unassigned stereocentres0
Ring count7
Secondary amines0
Tertiary amines0
N-methyl amine sites0
SMILESCC1=C2[C@H](C(=O)[C@@]3([C@H](C[C@@H]4[C@]([C@H]3[C@@H]([C@@](C2(C)C)(C[C@@H]1OC(=O)[C@@H]([C@H](C5=CC=CC=C5)NC(=O)C6=CC=CC=C6)O)O)OC(=O)C7=CC=CC=C7)(CO4)OC(=O)C)O)C)O
InChINot listed
Formula from structureC45H49NO13
Molecular weight from structure811.87 g/mol

03Stereochemistry

The published structure contains 11 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.

Defined centres11Structure assigned
Unassigned centres0Structure unspecified
Assignment statusFully assignedExact published identity
Tetrahedral upper bound≤ 2,048Before symmetry reduction

Published same-connectivity configurations

2 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 78432-77-6 has no exact match in the reviewed published schedule.
SCOMETNO EXACT REVIEWED CAS MATCHCAS 78432-77-6 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

Paclitaxel

View API and impurity family

Other names

  • Paclitaxel EP Impurity G
  • 10-Desacetyl Paclitaxel
  • 10-Deacetyltaxol
  • 78432-77-6
  • 10-Deacetylpaclitaxel
  • B77R96LJLK
  • 10-Deacetyl-7-epitaxol
  • [(1S,2S,3R,4S,7R,9S,10S,12R,15S)-4-acetyloxy-15-[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy-1,9,12-trihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate
  • DTXSID00999763
  • Benzenepropanoic acid, beta-(benzoylamino)-alpha-hydroxy-, 12b-(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,6,11-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca(3,4)benz(1,2-b)oxet-9-yl ester, (2aR-(2aalpha,4beta,4abeta,6beta,9alpha(alphar*,betas*),11alpha,12alpha,12aalpha,12balpha))-
  • NSC656201
  • RefChem:437010

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