8.53007

Boc-Asn(Xan)-OH

Novabiochem^®

• Synonym(s): Boc-Asn(Xan)-OH, N-α-t.-Boc-N-β-xanthyl-L-asparagine
• Empirical Formula (Hill Notation): C₂₂H₂₄N₂O₆
• CAS Number: 65420-40-8
• Molecular Weight: 412.44
• MDL number: MFCD00066157
• UNSPSC Code: 12352209
• NACRES: NA.22

Properties

• Quality Level: 200
• product line: Novabiochem^®
• Assay: ≥98% (TLC); ≥98.0% (HPLC)
• form: powder
• reaction suitability: reaction type: Boc solid-phase peptide synthesis
• manufacturer/tradename: Novabiochem^®
• application(s): peptide synthesis
• functional group: amide
• storage temp.: 2-30°C
• InChI: 1S/C22H24N2O6/c1-22(2,3)30-21(28)23-15(20(26)27)12-18(25)24-19-13-8-4-6-10-16(13)29-17-11-7-5-9-14(17)19/h4-11,15,19H,12H2,1-3H3,(H,23,28)(H,24,25)(H,26,27)/t15-/m0/s1
• InChI key: YMGDQLXBNMRJMR-HNNXBMFYSA-N

Description

General description

Standard building block for introduction of asparagine residues in Boc SPPS. Its use avoids the risk of cyano alanine formation when using uronium coupling reagents

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

Linkage

Replaces: 04-12-0022

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): +7.5 - +10.5 °
Purity (TLC(011A)): ≥ 98 %
Purity (TLC(0811)): ≥ 98 %
Assay (HPLC, area%): ≥ 98.0 % (a/a)
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

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable