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Merck

O6887

Sigma-Aldrich

[β-Mercapto-β,β-cyclopentamethylenepropionyl1, O-Me-Tyr2, Orn8]-Oxytocin

≥93% (HPLC), solid

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About This Item

Fórmula empírica (notación de Hill):
C48H74N12O12S2
Número de CAS:
Peso molecular:
1075.30
MDL number:
UNSPSC Code:
51111800
PubChem Substance ID:
NACRES:
NA.32

Quality Level

assay

≥93% (HPLC)

form

solid

storage temp.

−20°C

SMILES string

CC[C@H](C)C1NC(=O)[C@H](Cc2ccc(OC)cc2)NC(=O)CC3(CCCCC3)SSC[C@H](NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCC(N)=O)NC1=O)C(=O)N4CCC[C@H]4C(=O)N[C@@H](CCCN)C(=O)NCC(N)=O

InChI

1S/C48H74N12O12S2/c1-4-27(2)40-46(70)56-31(16-17-36(50)61)42(66)57-33(23-37(51)62)43(67)58-34(47(71)60-21-9-11-35(60)45(69)55-30(10-8-20-49)41(65)53-25-38(52)63)26-73-74-48(18-6-5-7-19-48)24-39(64)54-32(44(68)59-40)22-28-12-14-29(72-3)15-13-28/h12-15,27,30-35,40H,4-11,16-26,49H2,1-3H3,(H2,50,61)(H2,51,62)(H2,52,63)(H,53,65)(H,54,64)(H,55,69)(H,56,70)(H,57,66)(H,58,67)(H,59,68)/t27-,30-,31-,32-,33-,34-,35-,40-/m0/s1

InChI key

ZWVZXPFUQHTUKV-SZQHDTAUSA-N

Gene Information

Amino Acid Sequence

β-Mercapto-β,β-Cyclopentamethylenepropionyl-MeTyr-Ile-Gln-Asn-Cys-Pro-Orn-Gly-NH2 [Disulfide Bridge: 1-6]

Application

[β-Mercapto-β,β-cyclopentamethylenepropionyl1, O-Me-Tyr2, Orn8]-Oxytocin has been used as an oxytocin receptor antagonist:
  • to study the influence of blockading the oxytocin receptors in the anterior cingulate cortex on helping behavior
  • to determine the receptors that mediate vasopressin-stimulated anion secretion across cultured porcine vas deferens epithelial cell monolayers
  • to study the influence of oxytocin receptors inhibition on intravenous and in situ oxytocin effects on the urinary bladder and cardiovascular activities in sham rats

Biochem/physiol Actions

Potent oxytocin antagonist.
[β-Mercapto-β,β-cyclopentamethylenepropionyl1, O-Me-Tyr2, Orn8]-also acts as an arginine vasopressin receptor 1A (AVPR1A) antagonist.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Los clientes también vieron

R C Lambert et al.
Neuroscience, 57(4), 1027-1038 (1993-12-01)
During suckling, the periodic and synchronous bursting activity of oxytocin neurons has been shown to be facilitated by oxytocin itself, acting via several target sites, including the magnocellular nuclei. To investigate the role of the endogenous oxytocin released within the
Salvatora Succu et al.
Neuropharmacology, 49(7), 1017-1025 (2005-08-10)
The effect of four peptides derived from the C-terminal portion of rat pro-VGF(556-617) (VGF(556-576), VGF(588-617), VGF(599-617), and VGF(588-597)), on penile erection and nitric oxide production in the paraventricular nucleus of the hypothalamus was studied in male rats after injecting into
M R Melis et al.
Brain research bulletin, 36(6), 527-531 (1995-01-01)
The effect of the central administration of nitroglycerin, a potent organic nitrate vasodilator, on penile erection and yawning was studied in male rats. When given intracerebroventricularly (ICV), nitroglycerin (33-99 micrograms) induced the above responses dose-dependently. The minimal effective dose was
A Benelli et al.
Neuropeptides, 27(4), 245-250 (1994-10-01)
In intact, non-ovariectomized female rats in spontaneous behavioral estrus, the i.c.v. injection of oxytocin significantly increased lordosis quotient and lordosis duration, starting from a dose of 1 ng/rat. On the other hand, the oxytocin antagonist, d(CH2)5Tyr(Me)-[Orn]8-vasotocin, injected at the same
M R Melis et al.
European journal of pharmacology, 328(2-3), 115-123 (1997-06-11)
A dose of N-methyl-D-aspartic acid (NMDA, 50 ng) that induces penile erection and yawning when injected into the paraventricular nucleus of the hypothalamus, increased the concentration of NO2- from 1.10 +/- 0.28 microM to 7.32 +/- 1.12 microM and of

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