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N-Cbz-L-aspartic anhydride

Also known as: N-carbobenzyloxy-L-aspartic anhydride, N-Cbz-L-aspartic anhydride, N-Z-L-aspartic anhydride, benzyl N-[(3S)-2,5-dioxooxolan-3-yl]carbamate, (S)-benzyl (tetrahydro-2,5-dioxo-3-furyl)carbamate, Carbamic acid, [(3S)-tetrahydro-2,5-dioxo-3-furanyl]-, phenylmethyl ester, N-benzyloxycarbonyl-L-aspartic anhydride, N-carbobenzoxy-L-aspartic anhydride, N-benzyloxycarbonyl-L-aspartic acid anhydride, carbobenzoxy-L-aspartic acid anhydride, (2S)-2-(Benzyloxycarbonylamino)succinic anhydride, (S)-2-BENZYLOXYCARBAMYLSUCCINIC ANHYDRIDE, N-carbobenzyloxy-L-aspartic acid anhydride, EINECS 224-838-3, MFCD00136820, Cbz-L-aspartic acid anhydride

N-Cbz-L-aspartic anhydride (CAS 4515-23-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H11NO5 and a molecular weight of 249.21900 g/mol. Key properties include a melting point of 123-124ºC(lit.), a boiling point of 490.232ºC at 760 mmHg, a density of 1.37g/cm3 and a flash point of 250.283ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4515-23-5
Jingsj CID
J-24166-7
Molecular Formula
C12H11NO5
Molecular Weight
249.21900 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point123-124ºC(lit.)
Boiling Point490.232ºC at 760 mmHg
Density1.37g/cm3
Flash Point250.283ºC
Exact Mass249.06400
PSA81.70000
LogP1.14580
Refractive Index1.573

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 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-Cbz-L-aspartic anhydride?

The CAS number of N-Cbz-L-aspartic anhydride is 4515-23-5.

What are the molecular formula and molecular weight of N-Cbz-L-aspartic anhydride?

N-Cbz-L-aspartic anhydride has molecular formula C12H11NO5 and molecular weight 249.21900 g/mol.

What are the upstream and downstream products of N-Cbz-L-aspartic anhydride?

For N-Cbz-L-aspartic anhydride, Upstream Products: N-Carbobenzyloxy-L-aspartic acid, Benzyl alcohol; Downstream Products: Z-Asp(OBzl)-OH, Z-Asp-OBzl, N-Benzyloxycarbonyl-L-aspartic acid 4-tert-butyl ester.

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-Cbz-L-aspartic anhydride (CAS 4515-23-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24166-7 (accessed 2026-11-09).

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