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Z-Asp(OtBu)-OSu

Also known as: Z-Asp(OtBu)-OSu, Z-ASP(OTBU)-OSU, Z-Asp(OBut)-OSu, Z-ASP(OBUT)-OSU, Z-Aspartic acid tert-butyl ester hydroxysuccinimide ester, Z-Aspartic acid(OTBU)-OSU, Z-L-Aspartic acid beta-t-butyl ester alpha-N-hydroxysuccinimide ester, N-Benzyloxycarbonyl-L-aspartic acid 4-tert-butyl-1-(N-succinimidyl) ester, N-CBZ-beta-tert-butyl-L-aspartic acid N-hydroxysuccinimide ester, RW1386, (S)-4-tert-Butyl 1-(2,5-dioxopyrrolidin-1-yl)-2-(((benzyloxy)carbonyl)amino)succinate, 4-O-tert-butyl 1-O-(2,5-dioxopyrrolidin-1-yl) (2S)-2-(phenylmethoxycarbonylamino)butanedioate, 4-tert-Butyl 1-(2,5-dioxopyrrolidin-1-yl) N-[(benzyloxy)carbonyl]-L-aspartate, L-Aspartic acid, N-[(phenylmethoxy)carbonyl]-, 4-(1,1-dimethylethyl) 1-(2,5-dioxo-1-pyrrolidinyl) ester, tert-Butyl (S)-4-((2,5-dioxo-1-pyrrolidinyl)oxy)-4-oxo-3-(((phenylmethoxy)carbonyl)amino)butyrate, 1-(2,5-Dioxo-1-pyrrolidinyl) 4-(2-methyl-2-propanyl) N-[(benzyloxy)carbonyl]-L-aspartate

Z-Asp(OtBu)-OSu (CAS 3338-32-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H24N2O8 and a molecular weight of 420.413 g/mol. Key properties include a melting point of 150-152ºC and a density of 1.3±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3338-32-7
Jingsj CID
J-999591-9
Molecular Formula
C20H24N2O8
Molecular Weight
420.413 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point150-152ºC
Density1.3±0.1 g/cm3
Exact Mass420.153259
PSA128.31000
LogP2.01
AppearancePowder | White to off-white
Refractive Index1.560
Storage Conditions−20°C

Customs & Trade Information

HS Code2925190090
Summary2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Z-Asp(OtBu)-OSu?

The CAS number of Z-Asp(OtBu)-OSu is 3338-32-7.

What are the molecular formula and molecular weight of Z-Asp(OtBu)-OSu?

Z-Asp(OtBu)-OSu has molecular formula C20H24N2O8 and molecular weight 420.413 g/mol.

What are the upstream and downstream products of Z-Asp(OtBu)-OSu?

For Z-Asp(OtBu)-OSu, Upstream Products: N-Hydroxysuccinimide, N-Benzyloxycarbonyl-L-aspartic acid 4-tert-butyl ester; Downstream Products: L-Aspartylglycine, (S)-TERT-BUTYL 3-(((BENZYLOXY)CARBONYL)AMINO)-4-HYDROXYBUTANOATE.

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

Last updated:

How to cite: Jingsj. "Z-Asp(OtBu)-OSu (CAS 3338-32-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-999591-9 (accessed 2026-11-09).

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