
Chemical identity
N-Benzyloxycarbonyl-L-proline
CAS 1148-11-4 · C13H15NO4
01Identity
Identifiers and names for this exact compound. Empty fields are left unassigned.
| Lazychem ID | LC-04566 |
|---|---|
| PubChem CID | 101987 |
| Name | N-Benzyloxycarbonyl-L-proline |
| CAS RN | 1148-11-4 |
| Molecular formula | C13H15NO4 |
| Molecular weight | 249.3 g/mol |
| IUPAC name | ((Benzyloxy)carbonyl)-L-proline |
| InChIKey | JXGVXCZADZNAMJ-NSHDSACASA-N |
02Structure identifiers

The parsed structure contains 2 rings, includes aromatic atoms, includes aliphatic carbon, has 1 defined stereocentre. These statements are calculated from the published structure string.
| Defined stereocentres | 1 |
|---|---|
| Unassigned stereocentres | 0 |
| Ring count | 2 |
| Secondary amines | 0 |
| Tertiary amines | 0 |
| N-methyl amine sites | 0 |
| SMILES | C1C[C@H](N(C1)C(=O)OCC2=CC=CC=C2)C(=O)O |
|---|---|
| InChI | Not listed |
| Formula from structure | C13H15NO4 |
| Molecular weight from structure | 249.3 g/mol |
03Stereochemistry
The published structure contains 1 defined and 0 unassigned tetrahedral stereocentre. The exact wedge and dash depiction is shown above.
Published same-connectivity configurations
3 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.


1-benzyl hydrogen (R)-pyrrolidine-1,2-dicarboxylate
CAS not listed
JXGVXCZADZNAMJ-LLVKDONJSA-N
1 defined, 0 unassigned centres

N-(Carbobenzyloxy)-DL-proline
CAS not listed
JXGVXCZADZNAMJ-UHFFFAOYSA-N
0 defined, 1 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 | CAS 1148-11-4 has no exact match in the reviewed published schedule. |
|---|---|---|
| SCOMET | NO EXACT REVIEWED CAS MATCH | CAS 1148-11-4 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
Acalabrutinib
View API and impurity familyOther names
- Acalabrutinib Impurity 18
- N-Benzyloxycarbonyl-L-proline
- Carbobenzoxyproline
- N-Carbobenzoxy-L-proline
- N-CBZ-L-PROLINE
- Carbobenzoxy-S-proline
- Benzyloxycarbonylproline
- (2S)-1-phenylmethoxycarbonylpyrrolidine-2-carboxylic acid
- (S)-1-((Benzyloxy)carbonyl)pyrrolidine-2-carboxylic acid
- 1,2-Pyrrolidinedicarboxylic acid, 1-(phenylmethyl) ester, (S)-
- (S)-N-CBZ-pyrrolidine-2-carboxylic acid
- carbobenzyloxyproline
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 101987
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.
