
Chemical identity
Bortezomib Impurity 66 (S,S-Isomer)
CAS not listed · C57H69B3N12O9
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-42774 |
|---|---|
| PubChem CID | 20627510 |
| Name | Bortezomib Impurity 66 (S,S-Isomer) |
| CAS RN | Not listed |
| Molecular formula | C57H69B3N12O9 |
| Molecular weight | 1098.7 g/mol |
| IUPAC name | N-[1-[[1-[4,6-bis[3-methyl-1-[[3-phenyl-2-(pyrazine-2-carbonylamino)propanoyl]amino]butyl]-1,3,5,2,4,6-trioxatriborinan-2-yl]-3-methylbutyl]amino]-1-oxo-3-phenylpropan-2-yl]pyrazine-2-carboxamide |
| InChIKey | YVBHFXUJMLXLKP-UHFFFAOYSA-N |
02Structure identifiers

The parsed structure contains 7 rings, includes aromatic atoms, includes aliphatic carbon. These statements are calculated from the published structure string.
| Defined stereocentres | 0 |
|---|---|
| Unassigned stereocentres | 6 |
| Ring count | 7 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | B1(OB(OB(O1)C(CC(C)C)NC(=O)C(CC2=CC=CC=C2)NC(=O)C3=NC=CN=C3)C(CC(C)C)NC(=O)C(CC4=CC=CC=C4)NC(=O)C5=NC=CN=C5)C(CC(C)C)NC(=O)C(CC6=CC=CC=C6)NC(=O)C7=NC=CN=C7 |
|---|---|
| InChI | Not listed |
| Formula from structure | C57H69B3N12O9 |
| Molecular weight from structure | 1098.7 g/mol |
03Stereochemistry
The published structure contains 0 defined and 6 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.


Bortezomib boronic anhydride
CAS 390800-88-1
YVBHFXUJMLXLKP-INZJBPCBSA-N
6 defined, 0 unassigned centres
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 | No CAS number is available for an exact comparison. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | No CAS number is available for an exact comparison. |
| 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
No parent compound is listed.
Other names
No synonyms are listed.
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 20627510
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.
