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N-Carbobenzoxy-L-serine Benzyl Ester

Also known as: Z-Ser-OBzl, Cbz-Ser-OBzl, N-Cbz-L-serine benzyl ester, N-Z-L-Serine benzyl ester, Benzyl N-[(benzyloxy)carbonyl]-L-serinate, N-(Benzyloxycarbonyl)-L-serine benzyl ester, N-Benzyloxycarbonyl-L-serine benzyl ester, benzyl (2S)-3-hydroxy-2-(phenylmethoxycarbonylamino)propanoate, L-Serine, N-[(phenylmethoxy)carbonyl]-, phenylmethyl ester, MFCD00037824

N-Carbobenzoxy-L-serine Benzyl Ester (CAS 21209-51-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H19NO5 and a molecular weight of 329.35 g/mol. Key properties include a melting point of 83-86 °C(lit.), a boiling point of 534.5±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 277.0±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21209-51-8
Jingsj CID
J-24674-2
Molecular Formula
C18H19NO5
Molecular Weight
329.35 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point83-86 °C(lit.)
Boiling Point534.5±50.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point277.0±30.1 °C
Exact Mass329.126312
PSA84.86000
LogP3.27
Vapor Pressure0.0±1.5 mmHg at 25°C
Refractive Index1.580

Customs & Trade Information

HS Code2924299090
Summary2924299090. 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-Carbobenzoxy-L-serine Benzyl Ester?

The CAS number of N-Carbobenzoxy-L-serine Benzyl Ester is 21209-51-8.

What are the molecular formula and molecular weight of N-Carbobenzoxy-L-serine Benzyl Ester?

N-Carbobenzoxy-L-serine Benzyl Ester has molecular formula C18H19NO5 and molecular weight 329.35 g/mol.

What are the upstream and downstream products of N-Carbobenzoxy-L-serine Benzyl Ester?

For N-Carbobenzoxy-L-serine Benzyl Ester, Upstream Products: N-Cbz-L-Serine, Benzyl bromide, Benzyl chloride; Downstream Products: N-Cbz-L-Serine.

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-Carbobenzoxy-L-serine Benzyl Ester (CAS 21209-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24674-2 (accessed 2026-11-09).

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