research use only

CCK Octapeptide (Sincalide)

Cat.No.P1032

CCK Octapeptide (Sincalide, Cholecystokinin Octapeptide, CCK-OP, CCK-8, SQ 19,844) is an endogenous peptide hormone found in the intestine and brain that stimulates digestion.

Amino-acid Sequence

CAS No. 25126-32-3

Quality Control

Batch: Purity: 99.05%

99.05

Chemical Information & Solubility

Storage (from the date of receipt)	3 years-20°C powder	Storage of Stock Solutions Aliquot the stock solutions to avoid repeated freeze-thaw cycles	1 year-80°Cin solvent
			1 month-20°Cin solvent

In vitro
Batch:

DMSO : 100 mg/mL (87.46 mM)；
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)

Water : Insoluble

Ethanol : Insoluble

Molecular Weight Calculator

In Vivo Batch: Add solvents to the product individually and in order.					In vivo Formulation Calculator
	Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.	In vivo Formulation Calculator
Clear solution	5%DMSO 1 40%PEG300 2 5%Tween80 3 50%ddH2O	5.000mg/ml (4.37mM)	Taking the 1 mL working solution as an example, add 50 μL of 100 mg/ml clarified DMSO stock solution to 400 μL PEG300, mix evenly to clarify it; add 50 μL Tween80 to the above system, mix evenly to clarify it; then continue to add 500 μL ddH2O to adjust the volume to 1 mL. The mixed solution should be used immediately for optimal results.
Clear solution	5% DMSO 1 95% corn oil	2.500mg/ml (2.19mM)	Taking the 1 mL working solution as an example, add 50 μL of 50 mg/ml clear DMSO stock solution to 950 μL of corn oil and mix evenly. The mixed solution should be used immediately for optimal results.
Homogeneous suspension	CMC-NA	≥5mg/ml	Taking the 1 mL working solution as an example, add 5 mg of this product to 1 ml of CMC-Na solution, mix evenly to obtain a homogeneous suspension with a final concentration of 5 mg/ml.

Biological Activity

Description	CCK Octapeptide (Sincalide, Cholecystokinin Octapeptide, CCK-OP, CCK-8, SQ 19,844) is an endogenous peptide hormone found in the intestine and brain that stimulates digestion.

References
https://pubmed.ncbi.nlm.nih.gov/9575840/

References

https://pubmed.ncbi.nlm.nih.gov/9575840/

Product Information

Molecular Formula	C₄₉H62N₁₀O₁₆S₃
Molecular Weight	1143.27
CAS No.	25126-32-3
Appearance	White Powder
Peptide Content (by %N)	≥80%
Acetate Content (by HPLC):	≤12.0%
Purity (by HPLC)	>98%
Single Impurity (by HPLC)	≤1.0%
Assay (By Anhydrous, Acetic Acid-free)	95.0~105.0%
MS	Consistent
Packing	plastic vial(dedicated for peptide packing) or glass vial, quantity according to customer's detail requirement.
Storage (From the date of receipt)	3 years-20°C powder
Shipping	Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.)