N-Benzyloxycarbonyl-L-pyroglutamic acid
Also known as: Z-Pyr-OH, CBZ-L-Pyroglutamic acid, Cbz-L-pyroglutamic acid, Z-L-pyroglutamic acid, Z-PGLU-OH, N-Cbz-L-pyroglutamic acid, N-Cbz-5-oxo-L-proline, N-alpha-Carbobenzoxy-L-pyroglutamic acid, N-alpha-CBZ-L-pyroglutamic acid, Benzyloxycarbonyl-L-pyroglutamic acid, (S)-1-(Benzyloxycarbonyl)-5-oxopyrrolidine-2-carboxylic acid, (2S)-5-oxo-1-(phenylmethoxycarbonyl)pyrrolidine-2-carboxylic acid, 1-[(Benzyloxy)carbonyl]-5-oxo-L-proline, 1,2-Pyrrolidinedicarboxylic acid, 5-oxo-, 1-(phenylmethyl) ester, (2S)-, (S)-5-Oxo-pyrrolidine-1,2-dicarboxylic acid 1-benzyl ester, N-Benzyloxycarbonyl-L-pyrrolidone carboxylic acid, MFCD00037352, EINECS 250-936-0
N-Benzyloxycarbonyl-L-pyroglutamic acid (CAS 32159-21-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H13NO5 and a molecular weight of 263.246 g/mol. Key properties include a melting point of 128-130°C, a boiling point of 525.4±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 271.5±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 32159-21-0
- Jingsj CID
- J-9637-7
- Molecular Formula
- C13H13NO5
- Molecular Weight
- 263.246 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 128-130°C |
|---|---|
| Boiling Point | 525.4±50.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 271.5±30.1 °C |
| Exact Mass | 263.079376 |
| PSA | 83.91000 |
| LogP | -0.35 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.597 |
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of N-Benzyloxycarbonyl-L-pyroglutamic acid?
The CAS number of N-Benzyloxycarbonyl-L-pyroglutamic acid is 32159-21-0.
What are the molecular formula and molecular weight of N-Benzyloxycarbonyl-L-pyroglutamic acid?
N-Benzyloxycarbonyl-L-pyroglutamic acid has molecular formula C13H13NO5 and molecular weight 263.246 g/mol.
What are the upstream and downstream products of N-Benzyloxycarbonyl-L-pyroglutamic acid?
For N-Benzyloxycarbonyl-L-pyroglutamic acid, Upstream Products: sodium carbonate, L-Pyroglutamic acid, N-Benzyloxycarbonyl-L-glutamic acid; Downstream Products: L-(+)-Prolinol, N-[(Benzyloxy)carbonyl]-L-glutamic acid 1-tert-butyl ester, (S)-tert-Butyl 2-(benzyloxycarbonylamino)-5-hydroxypentanoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N-Benzyloxycarbonyl-L-pyroglutamic acid (CAS 32159-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9637-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.