![Molecular structure of N-[(Benzyloxy)carbonyl]-L-leucine (CAS 2018-66-8)](/images/chem_structures_svg/095/2018-66-8.svg)
N-[(Benzyloxy)carbonyl]-L-leucine
Also known as: Z-Leu-OH, Cbz-L-Leu-OH, N-Benzyloxycarbonyl-L-leucine, N-Carbobenzyloxy-L-leucine, N-Carbobenzoxy-L-leucine, N-Cbz-L-leucine, Benzyloxycarbonyl-L-leucine, Benzyloxycarbonylleucine, Carbobenzoxyleucine, (S)-2-(((Benzyloxy)carbonyl)amino)-4-methylpentanoic acid
N-[(Benzyloxy)carbonyl]-L-leucine (CAS 2018-66-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H19NO4 and a molecular weight of 265.305 g/mol. Key properties include a boiling point of 442.8±38.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 221.6±26.8 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour and H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2018-66-8
- Jingsj CID
- J-14374-8
- Molecular Formula
- C14H19NO4
- Molecular Weight
- 265.305 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 442.8±38.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 221.6±26.8 °C |
| Exact Mass | 265.131409 |
| PSA | 75.63000 |
| LogP | 3.12 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.528 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H351 — Suspected of causing cancer
Activity & Biological Data
| Additional Information | [1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144. |
|---|
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 N-[(Benzyloxy)carbonyl]-L-leucine?
The CAS number of N-[(Benzyloxy)carbonyl]-L-leucine is 2018-66-8.
What are the molecular formula and molecular weight of N-[(Benzyloxy)carbonyl]-L-leucine?
N-[(Benzyloxy)carbonyl]-L-leucine has molecular formula C14H19NO4 and molecular weight 265.305 g/mol.
Is N-[(Benzyloxy)carbonyl]-L-leucine hazardous?
N-[(Benzyloxy)carbonyl]-L-leucine has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H351 — Suspected of causing cancer.
What are the upstream and downstream products of N-[(Benzyloxy)carbonyl]-L-leucine?
For N-[(Benzyloxy)carbonyl]-L-leucine, Upstream Products: L-Leucine, N-Cbz-L-leucine methyl ester, Z-Leu-ONp; Downstream Products: N-Cbz-N-methyl-L-leucine, Z-Leu-OSu, (S)-N-Cbz-Leucinenitrile.
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-[(Benzyloxy)carbonyl]-L-leucine (CAS 2018-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14374-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.