Z-Leu-ONp
Also known as: Benzyloxycarbonyl-L-leucine p-nitrophenyl ester, N-(Benzyloxycarbonyl)-L-leucine p-nitrophenyl ester, Carbobenzoxy-L-leucine p-nitrophenyl ester, N-Carbobenzoxy-L-leucine p-nitrophenyl ester, N-CBZ-L-LEUCINE-P-NITROPHENYL ESTER, CBZ-L-LEU-P-NITROPHENYL ESTER, P-NITROPHENYLCARBOBENZOXY-L-LEUCINE, Z-LEUCINE-ONP, BENZYLOXYCARBONYL-L-LEUCINE 4-NITROPHENYL ESTER, BENZYLOXYCARBONYL-L-LEUCINE P-NITROPHENYL ESTER, (4-nitrophenyl) (2S)-4-methyl-2-(phenylmethoxycarbonylamino)pentanoate, (S)-4-Nitrophenyl 2-(((benzyloxy)carbonyl)amino)-4-methylpentanoate, 4-Nitrophenyl N-[(benzyloxy)carbonyl]-L-leucinate
Z-Leu-ONp (CAS 1738-87-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H22N2O6 and a molecular weight of 386.398 g/mol. Key properties include a boiling point of 561.3±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 293.2±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1738-87-0
- Jingsj CID
- J-1519021-3
- Molecular Formula
- C20H22N2O6
- Molecular Weight
- 386.398 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 561.3±45.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 293.2±28.7 °C |
| Exact Mass | 386.147797 |
| PSA | 110.45000 |
| LogP | 4.90 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.566 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2924299090 |
|---|---|
| Summary | 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Z-Leu-ONp?
The CAS number of Z-Leu-ONp is 1738-87-0.
What are the molecular formula and molecular weight of Z-Leu-ONp?
Z-Leu-ONp has molecular formula C20H22N2O6 and molecular weight 386.398 g/mol.
What are the upstream and downstream products of Z-Leu-ONp?
For Z-Leu-ONp, Upstream Products: N-[(Benzyloxy)carbonyl]-L-leucine, 4-Nitrophenyl chloroformate; Downstream Products: N-[(Benzyloxy)carbonyl]-L-leucine, Z-Leu-Gly-OH, Z-Pro-Leu-Gly-OEt.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Z-Leu-ONp (CAS 1738-87-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519021-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.