8.51212
K-Oxyma Pure
Novabiochem®
Synonym(s):
K-Oxyma Pure, (Z)-ethyl 2-cyano-3-hydroxyacrylate potassium salt
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About This Item
Empirical Formula (Hill Notation):
C5H5KN2O3
CAS Number:
Molecular Weight:
180.20
MDL number:
UNSPSC Code:
12352107
NACRES:
NA.22
Quality Level
product line
Novabiochem®
form
powder
reaction suitability
reaction type: Coupling Reactions
manufacturer/tradename
Novabiochem®
mp
145-155 °C
application(s)
peptide synthesis
storage temp.
2-8°C
General description
A version of Oxyma Pure with improved solubility in DMF, This potassium salt when used in conjunction with DIPCDI does not cause premature cleavage of peptides from the hyperacid-sensitive 2-chlorotrityl resin [1].
Literature references
[1] P. Cherkupally, et al. (2013) Eur. J. Org. Chem., 6372.
Literature references
[1] P. Cherkupally, et al. (2013) Eur. J. Org. Chem., 6372.
Analysis Note
Color (visual): white to yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Melting range (lower value): ≥ 145 °C
Melting range (upper value): ≤ 155 °C
Assay (HPLC, area%): ≥ 99.0 % (a/a)
Water (K. F.): ≤ 2.0 %
Identity (Potassium): passes test
Appearance of substance (visual): powder
Identity (IR): passes test
Melting range (lower value): ≥ 145 °C
Melting range (upper value): ≤ 155 °C
Assay (HPLC, area%): ≥ 99.0 % (a/a)
Water (K. F.): ≤ 2.0 %
Identity (Potassium): passes test
Legal Information
Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Certificates of Analysis (COA)
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