5.08316

CTAP

• Synonym(e): CTAP, µ opioid receptor antagonist, CTAP
• Empirische Formel (Hill-System): C₅₁H₆₉N₁₃O₁₁S₂
• CAS-Nummer: 103429-32-9
• Molekulargewicht: 1104.30
• UNSPSC Code: 12352200
• NACRES: NA.77
• MDL number: MFCD00671434
• Assay: ≥95% (HPLC)
• Form: solid
• Storage condition: OK to freeze, protect from light

Eigenschaften

• assay: ≥95% (HPLC)
• Quality Segment: 100
• form: solid
• potency: 3.5 nM IC₅₀
• manufacturer/tradename: Calbiochem^®
• storage condition: OK to freeze, protect from light
• color: off-white
• solubility: water: soluble
• storage temp.: −20°C
• SMILES string: S1SC[C@@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](C1(C)C)C(=O)N[C@@H]([C@H](O)C)C(=O)N)[C@H](O)C)CCCN=C(N)N)Cc4c5c([nH]c4)cccc5)Cc3ccc(cc3)O)NC(=O)[C@H](N)Cc2ccccc2
• InChI: 1S/C51H69N13O11S2/c1-26(65)39(42(53)68)62-49(75)41-51(3,4)77-76-25-38(61-43(69)33(52)21-28-11-6-5-7-12-28)47(73)59-36(22-29-16-18-31(67)19-17-29)45(71)60-37(23-30-24-57-34-14-9-8-13-32(30)34)46(72)58-35(15-10-20-56-50(54)55)44(70)63-40(27(2)66)48(74)64-41/h5-9,11-14,16-19,24,26-27,33,35-41,57,65-67H,10,15,20-23,25,52H2,1-4H3,(H2,53,68)(H,58,72)(H,59,73)(H,60,71)(H,61,69)(H,62,75)(H,63,70)(H,64,74)(H4,54,55,56)/t26-,27-,33-,35+,36+,37-,38+,39+,40+,41-/m1/s1
• InChI key: OFMQLVRLOGHAJI-FGHAYEPSSA-N

Beschreibung

General description

A highly potent octapeptide that acts as a selective and brain penetrating bioavailable µ opioid receptor antagonist (IC₅₀ = 3.5 nM). Used in studies of reward systems and additions.

Biochem/physiol Actions

Primary Target
u Opioid receptpr

Preparation Note

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Other Notes

D-Phe-Cys-Tyr-D-Trp-Arg-Thr-Pen-Thr-NH2 (2-7 disulfide bond)

Perry, C., et al., 2013. Behav. Neurosci.127, 535.
Burkett, J. et al. 2011. Neuropsychopharm.36, 2200.
Steinmiller, L., et al., 2008. Psychopharmacol. (Berl).195, 497.
Sterious, S., et al., 2003. J. Pharmacol. Exp. Ther.304, 301.
Abbruscato, T., et al. 1997. J. Pharmacol.280, 402.

Legal Information

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Toxicity: Standard Handling (A)

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable