Ac-RYYRIK-NH2 TFA

Modify Date: 2026-07-03 12:27:56

Ac-RYYRIK-NH2 TFA Structure
Ac-RYYRIK-NH2 TFA structure
Common Name Ac-RYYRIK-NH2 TFA
CAS Number 200959-48-4 Molecular Weight 939.115
Density 1.4±0.1 g/cm3 Boiling Point N/A
Molecular Formula C44H70N14O9 Melting Point N/A
MSDS USA Flash Point N/A

 Use of Ac-RYYRIK-NH2 TFA


Ac-RYYRIK-NH2 is a potent and partial agonist on ORL1 transfected in CHO cells (Kd=1.5 nM) and behaves as a endogenous ligand of ORL1. Ac-RYYRIK-NH2 is a specific antagonist for the activation of G protein and competitively antagonizes the stimulation of [35S]-GTPgS binding to G proteins by nociceptin/orphanin FQ (noc/OFQ) in membranes and sections of rat brain[1].

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name Ac-RYYRIK-NH2
Synonym More Synonyms

 Ac-RYYRIK-NH2 TFA Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Ac-RYYRIK-NH2 is a potent and partial agonist on ORL1 transfected in CHO cells (Kd=1.5 nM) and behaves as a endogenous ligand of ORL1. Ac-RYYRIK-NH2 is a specific antagonist for the activation of G protein and competitively antagonizes the stimulation of [35S]-GTPgS binding to G proteins by nociceptin/orphanin FQ (noc/OFQ) in membranes and sections of rat brain[1].
Related Catalog
Target

Kd: 1.5 nM (ORL1 transfected in CHO cells)[1]

In Vivo Ac-RYYRIK-NH2 (intracerebroventricularly (i.c.v.) inhibits spontaneous locomotor activity in mice with an ID50 of 0.07 nmol. Co-administration of noc/OFQ and Ac-RYYRIK-NH2 lead to additive effects in Male Swiss mice[1].
References

[1]. H Berger, et al. Antagonism by acetyl-RYYRIK-NH2 of G protein activation in rat brain preparations and of chronotropic effect on rat cardiomyocytes evoked by nociceptin/orphanin FQ. Br J Pharmacol. 1999 Feb;126(3):555-8.

[2]. H Berger, et al. The nociceptin/orphanin FQ receptor ligand acetyl-RYYRIK-amide exhibits antagonistic and agonistic properties.Peptides. 2000 Jul;21(7):1131-9.

[3]. C T Dooley, et al. Binding and in vitro activities of peptides with high affinity for the nociceptin/orphanin FQ receptor, ORL1. J Pharmacol Exp Ther. 1997 Nov;283(2):735-41.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.4±0.1 g/cm3
Molecular Formula C44H70N14O9
Molecular Weight 939.115
Exact Mass 938.545044
PSA 407.97000
LogP -1.04
Index of Refraction 1.644
InChIKey WBBBVZGQADABSU-RERZDIOCSA-N
SMILES CCC(C)C(NC(=O)C(CCCN=C(N)N)NC(=O)C(Cc1ccc(O)cc1)NC(=O)C(Cc1ccc(O)cc1)NC(=O)C(CCCN=C(N)N)NC(C)=O)C(=O)NC(CCCCN)C(N)=O
Storage condition -20°C

 Ac-RYYRIK-NH2 TFABioassay

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This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Agonist activity at ORL1-Galpha fusion receptor in ICR mouse vas deferens assessed as...
Source: ChEMBL
Target: Nociceptin receptor
External Id: CHEMBL930559
Name: Agonist activity at rat Galpha-fused ORL1 receptor at 10 uM by [35S]GTPgammaS binding...
Source: ChEMBL
Target: N/A
External Id: CHEMBL1943426
Name: Displacement of [3H]nociceptin from human ORL1-Galpha fusion receptor in COS7 cells
Source: ChEMBL
Target: Nociceptin receptor
External Id: CHEMBL930555
Name: Displacement of [3H]nociceptin from rat Galpha-fused ORL1 receptor expressed in afric...
Source: ChEMBL
Target: N/A
External Id: CHEMBL1943428
Name: Activity at human ORL1-Galpha fusion receptor in COS7 cells assessed as stimulation o...
Source: ChEMBL
Target: Nociceptin receptor
External Id: CHEMBL930556
Name: Activity at human ORL1-Galpha fusion receptor in COS7 cells assessed as stimulation o...
Source: ChEMBL
Target: Nociceptin receptor
External Id: CHEMBL930557
Name: Partial agonist activity at human ORL1 receptor expressed in African green monkey COS...
Source: ChEMBL
Target: Nociceptin receptor
External Id: CHEMBL3389400
Name: Human NOP receptor (Opioid receptors)
Source: IUPHAR-DB
Target: NOP receptor (Opioid receptors) [Homo sapiens]
External Id: 320_Human
Total 8, Current Page 1 of 1
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

N-acetyl-N-(diaminomethylidene)-L-ornithyl-L-tyrosyl-L-tyrosyl-N-(diaminomethylidene)-L-ornithyl-L-isoleucyl-L-lysinamide
Ac-RYYRIK amide
AC-ARG-TYR-TYR-ARG-ILE-LYS-NH2
N-Acetyl-N-(diaminomethylene)-L-ornithyl-L-tyrosyl-L-tyrosyl-N-(diaminomethylene)-L-ornithyl-L-isoleucyl-L-lysinamide
ACETYL-RYYRIK,AMIDE

 Ac-RYYRIK-NH2 TFA | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the polar surface area (PSA) of Ac-RYYRIK-NH2?
A: Polar surface area (PSA) of Ac-RYYRIK-NH2 is 407.97000.
Q: What is the English name of Ac-RYYRIK-NH2?
A: The English name of Ac-RYYRIK-NH2 is Ac-RYYRIK-NH2.
Q: What is the molecular formula of Ac-RYYRIK-NH2?
A: Molecular formula of Ac-RYYRIK-NH2 is C44H70N14O9.
Q: What is the CAS number of Ac-RYYRIK-NH2?
A: CAS number of Ac-RYYRIK-NH2 is 200959-48-4.
Q: What is the SMILES notation of Ac-RYYRIK-NH2?
A: SMILES notation of Ac-RYYRIK-NH2 is CCC(C)C(NC(=O)C(CCCN=C(N)N)NC(=O)C(Cc1ccc(O)cc1)NC(=O)C(Cc1ccc(O)cc1)NC(=O)C(CCCN=C(N)N)NC(C)=O)C(=O)NC(CCCCN)C(N)=O.
Q: What English synonyms does Ac-RYYRIK-NH2 have?
A: English synonyms of Ac-RYYRIK-NH2: N-acetyl-N-(diaminomethylidene)-L-ornithyl-L-tyrosyl-L-tyrosyl-N-(diaminomethylidene)-L-ornithyl-L-isoleucyl-L-lysinamide, Ac-RYYRIK amide, AC-ARG-TYR-TYR-ARG-ILE-LYS-NH2, N-Acetyl-N-(diaminomethylene)-L-ornithyl-L-tyrosyl-L-tyrosyl-N-(diaminomethylene)-L-ornithyl-L-isoleucyl-L-lysinamide, ACETYL-RYYRIK,AMIDE.
Q: What is the Chinese name of 200959-48-4?
A: Chinese name of 200959-48-4 is AC-ARG-TYR-TYR-ARG-ILE-LYS-NH2.
Q: What are the storage conditions for Ac-RYYRIK-NH2?
A: Storage conditions for Ac-RYYRIK-NH2: -20°C.
Q: What is the molecular weight of Ac-RYYRIK-NH2?
A: Molecular weight of Ac-RYYRIK-NH2 is 939.115.
Q: What is the InChIKey of Ac-RYYRIK-NH2?
A: InChIKey of Ac-RYYRIK-NH2 is WBBBVZGQADABSU-RERZDIOCSA-N.

 Ac-RYYRIK-NH2 TFAfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

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