8.53030
Boc-Asp(OcHx)-OH
Novabiochem®
Synonym(s):
Boc-Asp(OcHx)-OH, N-α-t.-Boc-L-aspartic acid β-cyclohexyl ester
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About This Item
Empirical Formula (Hill Notation):
C15H25NO6
CAS Number:
Molecular Weight:
315.36
MDL number:
UNSPSC Code:
12352209
NACRES:
NA.22
Quality Level
product line
Novabiochem®
Assay
≥98% (TLC)
form
powder
reaction suitability
reaction type: Boc solid-phase peptide synthesis
manufacturer/tradename
Novabiochem®
mp
93-95 °C
application(s)
peptide synthesis
functional group
carboxylic acid
storage temp.
2-30°C
Related Categories
General description
Standard building block for introduction of aspartic acid in Boc SPPS. Minimizes aspartimide formation, particularly in problematic sequences such as Asp-Gly [1,2,3].
Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Boc SPPS
Literature references
[1] J. P. Tam, et al. (1979) Tetrahedron Lett., 42, 4033.
[2] E. Nicolas, et al. (1989) Tetrahedron Lett., 30, 497.
[3] B. Penke, et al. in ′Peptides 1988, Proc. 20th European Peptide Symposium′, G. Jung & E. Bayer (Eds), Walter de Gruyter, Berlin, 1989, pp. 67.
Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Boc SPPS
Literature references
[1] J. P. Tam, et al. (1979) Tetrahedron Lett., 42, 4033.
[2] E. Nicolas, et al. (1989) Tetrahedron Lett., 30, 497.
[3] B. Penke, et al. in ′Peptides 1988, Proc. 20th European Peptide Symposium′, G. Jung & E. Bayer (Eds), Walter de Gruyter, Berlin, 1989, pp. 67.
Linkage
Replaces: 04-12-0123
Analysis Note
Color (visual): white to slight yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Optical rotation α 25/D (c=2 in AcOH): +5.0 - +7.0 °
Purity (TLC(157A)): ≥ 98 %
Purity (TLC(0811)): ≥ 98 %
Solubility (1 mmole in 2 ml DMF): clearly soluble
To see the solvent systems used for TLC of Novabiochem® products please click here.
Appearance of substance (visual): powder
Identity (IR): passes test
Optical rotation α 25/D (c=2 in AcOH): +5.0 - +7.0 °
Purity (TLC(157A)): ≥ 98 %
Purity (TLC(0811)): ≥ 98 %
Solubility (1 mmole in 2 ml DMF): clearly soluble
To see the solvent systems used for TLC of Novabiochem® products please click here.
Legal Information
Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany
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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