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(Tyr[SO3H]27)Cholecystokinin fragment 26-33 Amide

≥97% (HPLC), powder

Pancreozymin C-terminal octapeptide, Sincalide, CCK-8, Cholecystokinin octapeptide
Empirical Formula (Hill Notation):
CAS Number:
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EC Number:
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Quality Level


≥97% (HPLC)



UniProt accession no.

storage temp.


SMILES string




InChI key


Gene Information

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Amino Acid Sequence


General description

(Tyr[SO3H]27)Cholecystokinin fragment 26-33 amide is a sulfated cholecystokinin(CCK) octapeptide derived from the proCCK. It is present in plasma and endocrine cells.


(Tyr[SO3H]27)Cholecystokinin fragment 26-33 amide has been used to test its effects:
  • to study its effects on β5i/LMP7 immunoproteasome subunit in pancreatitis
  • on gastric emptying,food intake and c-Fos immunoreactivity in small litter (SL) and normal litter (NL) rats
  • on the intestine and gallbladder motility in fish Ballan Wrasse

Biochem/physiol Actions

Neurotransmitter; predominant form of CCK in CNS and gastrointestinal tract; may play a role in satiety.
(Tyr[SO3H]27)Cholecystokinin fragment 26-33 amide activates the cholecystokinin type B receptor and may mediate the blockage of opioid analgesia. It elicits anti-inflammatory effects. It mediates the inhibition on cytokine release, lymphocytes, and macrophages.

Other Notes

C-Terminal octapeptide of cholecystokinin

Storage Class Code

13 - Non Combustible Solids



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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