
Chemical identity
Bortezomib Pinanediol Impurity
CAS 205393-22-2 · C29H39BN4O4
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-08511 |
|---|---|
| PubChem CID | 16221476 |
| Name | Bortezomib Pinanediol Impurity |
| CAS RN | 205393-22-2 |
| Molecular formula | C29H39BN4O4 |
| Molecular weight | 518.46 g/mol |
| IUPAC name | N-[(1S)-2-[[(1R)-1-[(3aS,4S,6S,7aR)-Hexahydro-3a,5,5-trimethyl-4,6-methano-1,3,2-benzodioxaborol-2-yl]-3-methylbutyl]amino]-2-oxo-1-(phenylmethyl)ethyl]-2-pyrazinecarboxamide |
| InChIKey | HZCSTPSWJFWZHP-GQABWHEGSA-N |
02Structure identifiers

The parsed structure contains 6 rings, includes aromatic atoms, includes aliphatic carbon, has 6 defined stereocentres. These statements are calculated from the published structure string.
| Defined stereocentres | 6 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 6 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | B1(O[C@@H]2C[C@@H]3C[C@H]([C@@]2(O1)C)C3(C)C)[C@H](CC(C)C)NC(=O)[C@H](CC4=CC=CC=C4)NC(=O)C5=NC=CN=C5 |
|---|---|
| InChI | Not listed |
| Formula from structure | C29H39BN4O4 |
| Molecular weight from structure | 518.46 g/mol |
03Stereochemistry
The published structure contains 6 defined and 0 unassigned tetrahedral stereocentres. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
2 recordsThese 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 / RCS | NO EXACT MATCH FOUND | CAS 205393-22-2 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 205393-22-2 has no exact match in the reviewed SCOMET list. |
| Review date | 2026-08-01 | Recheck the current official instruments for the material, concentration, activity and date in question. |
- Narcotic Drugs and Psychotropic Substances Act, 1985, ScheduleDepartment of Revenue, Government of India · reviewed 2026-08-01
- Controlled-substances notifications and amendmentsDepartment of Revenue, Government of India · reviewed 2026-08-01
- Appendix 3, SCOMET ListDirectorate General of Foreign Trade, Government of India · reviewed 2026-08-01
05Names and relationships
Associated parent compound
Bortezomib
View API and impurity familyOther names
- Bortezomib-pinanediol
- 205393-22-2
- N-((S)-1-(((R)-3-methyl-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide
- MFCD11973734
- Bortezomib Pinanediol Ester
- (1R)-(1S,2S,3R,5S)-Pinanediol-N-(N-pyrazinylphenylalaninoyl)-1-amino-3-methyl-butane-1-boronate
- N-[(2S)-1-[[(1R)-3-methyl-1-[(1S,2S,6R,8S)-2,9,9-trimethyl-3,5-dioxa-4-boratricyclo[6.1.1.02,6]decan-4-yl]butyl]amino]-1-oxo-3-phenylpropan-2-yl]pyrazine-2-carboxamide
- Bortezomib Impurity 28
- (1R)-(1S,2S,3R,5S)-Pinanediol-N-(N-pyrazinylphenylalaninoyl)-1-amino-3-methyl-butane-1-boronate (>90%)
- Bortezomib Impurity 60
- C29H39BN4O4
- CHEMBL501663
06Documented history
Dated discovery, occurrence, use and issue claims are published only when a suitable primary or government source is available.
No verified discovery, first report, occurrence, use or issue event is currently available for this identity.
07Sources
- S01PubChem compound record, CID 16221476
Names and machine-readable chemical identity properties.
- S02NCBI website and molecular data policies
Reuse policy for NCBI molecular data. This page does not reproduce vendor descriptions or contributed narrative text.
- S03Narcotic Drugs and Psychotropic Substances Act, 1985, Schedule
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S04Controlled-substances notifications and amendments
Department of Revenue, Government of India. Used for the exact-compound India status shown on this page.
- S05Appendix 3, SCOMET List
Directorate General of Foreign Trade, Government of India. Used for the exact-compound India status shown on this page.
