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Merck

8.52220

Fmoc-Asp-OBzl

Novabiochem®

Synonym(s):

Fmoc-Asp-OBzl, N-α-Fmoc-L-aspartic acid α-benzyl ester

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About This Item

Empirical Formula (Hill Notation):
C26H23NO6
CAS Number:
Molecular Weight:
445.46
MDL number:
UNSPSC Code:
12352209
NACRES:
NA.22
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Quality Level

product line

Novabiochem®

assay

≥90.0% (acidimetric), ≥98% (TLC), ≥98.0% (HPLC)

form

powder

reaction suitability

reaction type: Fmoc solid-phase peptide synthesis

manufacturer/tradename

Novabiochem®

application(s)

peptide synthesis

functional group

carboxylic acid

storage temp.

2-30°C

SMILES string

N([C@@H](CC(=O)O)C(=O)OCc4ccccc4)C(=O)OCC1c2c(cccc2)c3c1cccc3

InChI

1S/C26H23NO6/c28-24(29)14-23(25(30)32-15-17-8-2-1-3-9-17)27-26(31)33-16-22-20-12-6-4-10-18(20)19-11-5-7-13-21(19)22/h1-13,22-23H,14-16H2,(H,27,31)(H,28,29)/t23-/m0/s1

InChI key

CBZSVHFNEMONDZ-QHCPKHFHSA-N

General description

Building block for introduction of aspartic acid bearing TFA-labile benzyl ester protection. Benzyl group is removed by hydrogenation over Pd/C or with strong acids such as TFMSA.

Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Fmoc SPPS

Analysis Note

Color (visual): white to slight yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Enantiomeric purity: ≥ 99.0 % (a/a)
Purity (TLC(011A)): ≥ 98 %
Purity (TLC(0811)): ≥ 98 %
Assay (HPLC, area%): ≥ 98.0 % (a/a)
Solubility (1 mmole in 2 ml DMF): clearly soluble
Assay (acidimetric): ≥ 90.0 %
Water (K. F.): ≤ 1.0 %

To see the solvent systems used for TLC of Novabiochem® products please click here.

Other Notes

Replaces: 04-12-1272

Legal Information

Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany


Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable



Certificates of Analysis (COA)

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