CCK-4 Acetate

Cholecystokinin tetrapeptide (CCK-4, also PTK7) is a peptide fragment derived from the larger peptide hormone cholecystokinin. CCK-4 acts primarily in the brain as an anxiogenic, although it does retain some GI effects, but not as much as CCK-8 or the full length polypeptide CCK-58.

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CAT#	10-101-74
CAS	35144-91-3
Synonyms/Alias	CCK-4; CCK4; CCK 4; Gastrin Tetrapeptide; Cholecystokinin Octapeptide (5-8); Cholecystokinin Tetrapeptide; Gastrin (14-17) (human)
M.F/Formula	C29H36N6O6S
M.W/Mr.	596.71
Sequence	Trp-Met-Asp-Phe-NH2
Application	CCK-4 acts primarily in the brain as an anxiogenic. It is commonly used in scientific research to induce panic attacks for the purpose of testing new anxiolytic drugs.
Areas of Interest	Diseases

CAT#	Product Name	M.W	Molecular Formula	Inquiry
10-101-114	Darifenacin Hydrobromide	507.5	C28H31BrN2O	Inquiry
10-101-115	Deferasirox	373.3615	C21H15N3O4	Inquiry
10-101-117	L-NMMA Acetate	248.28	C9H20N4O4	Inquiry
10-101-13	Elcatonin Acetate	3363.8	C148H244N42O47	Inquiry
10-101-57	MOG (35-55)	2581.99	C118H177N35O29S	Inquiry

CAT#	Product Name	M.W	Molecular Formula	Inquiry
10-101-20	Goserelin Acetate	1269.43	C59H84N18O14	Inquiry
10-101-59	Liraglutide	3751.2	C172H265N43O51	Inquiry
R1574	Octreotide	1019.24	C₄₉H₆₆N₁₀O₁₀S₂	Inquiry
10-101-139	Myrcludex B			Inquiry
10-101-285	Teduglutide	3752.08	C164H252N44O55S	Inquiry
R1847	Sermaglutide	4114	C187H291N45O59	Inquiry
R1961	Carbetocin	988.2	C45H69N11O12S	Inquiry

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Source#	Synthetic
Long-term Storage Conditions	−20°C
InChI	InChI=1S/C29H36N6O6S/c1-42-12-11-22(33-27(39)20(30)14-18-16-32-21-10-6-5-9-19(18)21)28(40)35-24(15-25(36)37)29(41)34-23(26(31)38)13-17-7-3-2-4-8-17/h2-10,16,20,22-24,32H,11-15,30H2,1H3,(H2,31,38)(H,33,39)(H,34,41)(H,35,40)(H,36,37)/t20-,22-,23-,24-/m0/s1
InChI Key	RGYLYUZOGHTBRF-BIHRQFPBSA-N
Canonical SMILES	CSCCC(C(=O)NC(CC(=O)O)C(=O)NC(CC1=CC=CC=C1)C(=O)N)NC(=O)C(CC2=CNC3=CC=CC=C32)N
BoilingPoint	1070.0±65.0 °C at 760 mmHg
Melting Point	N/A