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Merck
CN

I2274

Sigma-Aldrich

Internal Sequencing Standard Peptide

lyophilized powder

Synonym(s):

Norleucine-[succinyl-lysine4]8-norleucine

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12352200
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form

lyophilized powder

packaging

vial of ~2 nmol

storage temp.

−20°C

Application

Useful as a qualitative standard in protein sequencing to assure sequencer performance. Internal standard can be analyzed concurrently with sample as an internal control.

Preparation Note

Reconstitute sample in 20% acetonitrile and aliquot desired amount onto sample support.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

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J I Elliott et al.
Analytical biochemistry, 211(1), 94-101 (1993-05-15)
A sequenceable internal standard has been made that can be added to samples destined for automated amino acid sequencing and that provides a means for continuously monitoring instrument performance. The 41-residue standard peptide is composed of two unnatural amino acids

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