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  2. Cholecystokinin Octapeptide, desulfated TFA

Cholecystokinin Octapeptide, desulfated TFA (Synonyms: CCK Octapeptide, desulfated TFA)

Cat. No.: HY-P0196A
Handling Instructions

Cholecystokinin Octapeptide, desulfated TFA is a synthetic desulfated octapeptides of Cholecystokinin (CCK).

For research use only. We do not sell to patients.

Custom Peptide Synthesis

Cholecystokinin Octapeptide, desulfated TFA Chemical Structure

Cholecystokinin Octapeptide, desulfated TFA Chemical Structure

CAS No. : 171486-94-5

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Description

Cholecystokinin Octapeptide, desulfated TFA is a synthetic desulfated octapeptides of Cholecystokinin (CCK)[1].

Molecular Weight

1177.23

Formula

C₅₁H₆₃F₃N₁₀O₁₅S₂

CAS No.

171486-94-5

Sequence

Asp-Tyr-Met-Gly-Trp-Met-Asp-Phe-NH2

Sequence Shortening

DYMGWMDF-NH2

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Solvent & Solubility
In Vitro: 

H2O

Peptide Solubility and Storage Guidelines:

1.  Calculate the length of the peptide.

2.  Calculate the overall charge of the entire peptide according to the following table:

  Contents Assign value
Acidic amino acid Asp (D), Glu (E), and the C-terminal -COOH. -1
Basic amino acid Arg (R), Lys (K), His (H), and the N-terminal -NH2 +1
Neutral amino acid Gly (G), Ala (A), Leu (L), Ile (I), Val (V), Cys (C), Met (M), Thr (T), Ser (S), Phe (F), Tyr (Y), Trp (W), Pro (P), Asn (N), Gln (Q) 0

3.  Recommended solution:

Overall charge of peptide Details
Negative (<0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, add NH4OH (<50 μL).
3.  If the peptide still does not dissolve, add DMSO (50-100 μL) to solubilize the peptide.
Positive (>0) 1.  Try to dissolve the peptide in water first.
2.  If water fails, try dissolving the peptide in a 10%-30% acetic acid solution.
3.  If the peptide still does not dissolve, try dissolving the peptide in a small amount of DMSO.
Zero (=0) 1.  Try to dissolve the peptide in organic solvent (acetonitrile, methanol, etc.) first.
2.  For very hydrophobic peptides, try dissolving the peptide in a small amount of DMSO, and then dilute the solution with water to the desired concentration.
References
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  • Molarity Calculator

  • Dilution Calculator

The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass   Concentration   Volume   Molecular Weight *
= × ×

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

Keywords:

Cholecystokinin Octapeptide, desulfatedCCK Octapeptide, desulfatedOthersInhibitorinhibitorinhibit

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Cholecystokinin Octapeptide, desulfated TFA
Cat. No.:
HY-P0196A
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