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Sigma-Aldrich

N-Z-L-aspartic anhydride

95%

Synonym(s):

Cbz-L-Aspartic acid anhydride, N-(Benzyloxycarbonyl)-L-aspartic acid anhydride, Phenylmethyl [(3S)-tetrahydro-2,5-dioxo-3-furanyl]carbamate

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About This Item

Empirical Formula (Hill Notation):
C12H11NO5
CAS Number:
4515-23-5
Molecular Weight:
249.22
EC Number:
224-838-3
MDL number:
MFCD00136820
UNSPSC Code:
12352209
PubChem Substance ID:
24866524
NACRES:
NA.22

Quality Level

100

Assay

95%

form

powder

optical activity

[α]20/D −25°, c = 1 in methanol

reaction suitability

reaction type: solution phase peptide synthesis

mp

123-124 °C (lit.)

application(s)

peptide synthesis

SMILES string

O=C1C[C@H](NC(=O)OCc2ccccc2)C(=O)O1

InChI

1S/C12H11NO5/c14-10-6-9(11(15)18-10)13-12(16)17-7-8-4-2-1-3-5-8/h1-5,9H,6-7H2,(H,13,16)/t9-/m0/s1

InChI key

OZPYEGOBGWQOSZ-VIFPVBQESA-N

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Nadia B Haro-Mares et al.
Molecules (Basel, Switzerland), 25(13) (2020-07-09)
A simplified procedure to synthesize zwitterionic cellulose by means of N-protected aspartic anhydride under mild conditions was developed. The preparation of modified cellulose samples was carried out under heterogeneous, aqueous conditions by reacting NH4OH-activated cellulose with aspartic anhydrides N-protected with

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