Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

8.51212

Sigma-Aldrich

K-Oxyma Pure

Novabiochem®

Synonym(s):

K-Oxyma Pure, (Z)-ethyl 2-cyano-3-hydroxyacrylate potassium salt

Sign Into View Organizational & Contract Pricing


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.

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

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)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service