N'-Cbz-L-ornithine

Also known as: H-Orn(Z)-OH, H-ORN(CBZ)-OH, H-ORN(Z)-OH, H-Orn(Cbz)-OH, N5-Cbz-L-ornithine, N5-benzyloxycarbonyl-L-ornithine, Nd-Z-L-ornithine, Nω-CBz-L-Ornithine, L-Orn(Z)-OH, Cbz-L-ornithine, (2S)-2-amino-5-{[(benzyloxy)carbonyl]amino}pentanoic acid, (2S)-2-ammonio-5-{[(benzyloxy)carbonyl]amino}pentanoate, MFCD00037220, EINECS 221-980-8

N'-Cbz-L-ornithine (CAS 3304-51-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H18N2O4 and a molecular weight of 266.293 g/mol. Key properties include a melting point of >220ºC, a boiling point of 492.2±45.0 °C at 760 mmHg, a density of 1.234 g/cm3 and a flash point of 251.4±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 3304-51-6
Jingsj CID: J-1104524-2
Molecular Formula: C₁₃H₁₈N₂O₄
Molecular Weight: 266.293 g/mol
Category: Organic Acids
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	>220ºC
Boiling Point	492.2±45.0 °C at 760 mmHg
Density	1.234 g/cm3
Flash Point	251.4±28.7 °C
Exact Mass	266.126648
PSA	101.65000
LogP	1.43
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.556
Storage Conditions	−20°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 N'-Cbz-L-ornithine?

The CAS number of N'-Cbz-L-ornithine is 3304-51-6.

What are the molecular formula and molecular weight of N'-Cbz-L-ornithine?

N'-Cbz-L-ornithine has molecular formula C13H18N2O4 and molecular weight 266.293 g/mol.

What are the upstream and downstream products of N'-Cbz-L-ornithine?

For N'-Cbz-L-ornithine, Upstream Products: L-Ornithine hydrochloride, L-Ornithine; Downstream Products: L-Arginine, Nα-(tert-Butoxycarbonyl)-Nδ-(benzyloxycarbonyl)-L-ornithine, L-Ornithine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 11/3/2026

How to cite: Jingsj. "N'-Cbz-L-ornithine (CAS 3304-51-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1104524-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.