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O6887

Sigma-Aldrich

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

≥93% (HPLC), solid

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About This Item

经验公式（希尔记法）:
C48H74N12O12S2
CAS号:
77327-45-8
分子量:
1075.30
MDL编号:
MFCD00135712
UNSPSC代码:
51111800
PubChem化学物质编号:
329818919
NACRES:
NA.32

质量水平

200

方案

≥93% (HPLC)

表单

solid

储存温度

−20°C

SMILES字符串

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

基因信息

human ... OXT(5020) , OXTR(5021)
rat ... OXT(18429) , OXTR(18430)

Amino Acid Sequence

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

应用

[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

生化/生理作用

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

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SLCM4561
SLCM9103
SLCN4472
SLCK2105
SLCJ5031

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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.
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
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
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
J Hirata et al.
The journal of obstetrics and gynaecology research, 22(5), 497-506 (1996-10-01)
In order to elucidate the roles of inositol trisphosphate (IP3) and oxytocin (OT) receptors in rabbit parturition, the concentration of IP3 induced by OT and the OT receptor levels were determined in rabbit myometria before and after parturition. The effects
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