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About This Item
Empirical Formula (Hill Notation):
C28H30N2O5
CAS Number:
Molecular Weight:
474.55
UNSPSC Code:
12352209
NACRES:
NA.22
MDL number:
Quality Level
product line
Novabiochem®
assay
≥98% (TLC)
form
powder
reaction suitability
reaction type: Boc solid-phase peptide synthesis
manufacturer/tradename
Novabiochem®
application(s)
peptide synthesis
functional group
amide
storage temp.
15-25°C
SMILES string
N([C@@H](CC(=O)NC(c3ccccc3)(c2ccccc2)c1ccccc1)C(=O)O)C(=O)OC(C)(C)C
InChI
1S/C28H30N2O5/c1-27(2,3)35-26(34)29-23(25(32)33)19-24(31)30-28(20-13-7-4-8-14-20,21-15-9-5-10-16-21)22-17-11-6-12-18-22/h4-18,23H,19H2,1-3H3,(H,29,34)(H,30,31)(H,32,33)/t23-/m0/s1
InChI key
PYGOCFDOBSXROC-QHCPKHFHSA-N
General description
A trityl-protected derivative which increases the solubility of Asn during the coupling step in SPPS [1]. Its use gives higher yields and lower by-product formation. During the following coupling cycles the temporary side-chain protection is removed.
Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Boc SPPS
Literature references
[1] P. Sieber, et al. (1991) Tetrahedron Lett., 32, 739.
Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Boc SPPS
Literature references
[1] P. Sieber, et al. (1991) Tetrahedron Lett., 32, 739.
Analysis Note
Colour (visual): white to slight yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Optical rotation α 25/D (c=1 in methanol): -21.5 - -16.5 °
Purity (TLC(011A)): ≥ 98 %
Purity (TLC(0811)): ≥ 98 %
Solubility (1 mmole in 2 ml DMF): clear solution
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=1 in methanol): -21.5 - -16.5 °
Purity (TLC(011A)): ≥ 98 %
Purity (TLC(0811)): ≥ 98 %
Solubility (1 mmole in 2 ml DMF): clear solution
To see the solvent systems used for TLC of Novabiochem® products please click here.
Other Notes
Replaces: 04-12-0187
Legal Information
Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 8530740025 | 04027269099008 |