N-Carbobenzyloxy-L-threonine

Also known as: Z-Thr-OH, Z-Thr, Z-L-Threonine, Z-L-Thr-OH, N-Cbz-L-threonine, Cbz-L-Thr-OH, Benzyloxycarbonyl-L-threonine, N-Benzyloxycarbonyl-L-threonine, N-Carbobenzoxy-L-threonine, (2S,3R)-2-{[(benzyloxy)carbonyl]amino}-3-hydroxybutanoic acid, (2S,3R)-3-hydroxy-2-(phenylmethoxycarbonylamino)butanoic acid, N-[(Benzyloxy)carbonyl]-L-threonine, N-Carbobenzyloxy-L-threonine, N-Cbz-L-ThrOH, Z-L-Thr, Z-THREONINE, Cbz-L-threonine

N-Carbobenzyloxy-L-threonine (CAS 19728-63-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H15NO5 and a molecular weight of 253.251 g/mol. Key properties include a melting point of 101-103 °C(lit.), a boiling point of 483.7±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 246.3±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19728-63-3
Jingsj CID: J-14397-5
Molecular Formula: C₁₂H₁₅NO₅
Molecular Weight: 253.251 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	101-103 °C(lit.)
Boiling Point	483.7±45.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	246.3±28.7 °C
Exact Mass	253.095016
PSA	95.86000
LogP	1.18
Vapor Pressure	0.0±1.3 mmHg at 25°C
Refractive Index	1.562

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-Carbobenzyloxy-L-threonine?

The CAS number of N-Carbobenzyloxy-L-threonine is 19728-63-3.

What are the molecular formula and molecular weight of N-Carbobenzyloxy-L-threonine?

N-Carbobenzyloxy-L-threonine has molecular formula C12H15NO5 and molecular weight 253.251 g/mol.

What are the upstream and downstream products of N-Carbobenzyloxy-L-threonine?

For N-Carbobenzyloxy-L-threonine, Upstream Products: L-Threonine, Dibenzyl dicarbonate, Benzyl 1H-benzotriazole-1-carboxylate; Downstream Products: Benzyl N-[(2R,3S)-1-amino-3-hydroxy-1-oxobutan-2-yl]carbamate, O-tert-Butyl-L-threonine tert-butyl ester, L-Threonine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "N-Carbobenzyloxy-L-threonine (CAS 19728-63-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14397-5 (accessed 2026-11-09).

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