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122752-15-2

122752-15-2 structure
122752-15-2 structure
  • Name: Deltorphin I TFA
  • Chemical Name: (3S)-3-[[(2S)-2-[[(2R)-2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]propanoyl]amino]-3-phenylpropanoyl]amino]-4-[[(2S)-1-[[(2S)-1-[(2-amino-2-oxoethyl)amino]-3-methyl-1-oxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-4-oxobutanoic acid
  • CAS Number: 122752-15-2
  • Molecular Formula: C37H52N8O10
  • Molecular Weight: 768.85600
  • Catalog: Peptides
  • Create Date: 2018-12-27 17:56:15
  • Modify Date: 2024-01-02 17:40:39
  • Deltorphin I is a δ-opioid receptor agonist with high affinity and selectivity.

Name (3S)-3-[[(2S)-2-[[(2R)-2-[[(2S)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]propanoyl]amino]-3-phenylpropanoyl]amino]-4-[[(2S)-1-[[(2S)-1-[(2-amino-2-oxoethyl)amino]-3-methyl-1-oxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-4-oxobutanoic acid
Synonyms H-Tyr-D-Ala-Phe-Asp-Val-Val-Gly-NH2
deltorphin I
Deltorphin C
Tyr-D-Ala-Phe-Asp-Val-Val-Cly-NH2
Description Deltorphin I is a δ-opioid receptor agonist with high affinity and selectivity.
Related Catalog
Target

δ-opioid receptor[1]

In Vivo Twice daily administration of Deltorphin I (20μg/mouse) for 4 days produces tolerance to Deltorphin I analgesia, as shown by the decrease in the analgesic response. The peak analgesic response to Deltorphin I (20 μg/mouse) at 10 min after injections is decreased from 8.36±0.28 s (the 1st day) to 4.53±0.14 s (the 4th day) markedly. Concurrent treatment of Melatonin (0.5, 1 and 2.5 mg/kg) and Deltorphin I (20 μg/mouse) twice daily for 4 days can attenuate the tolerance to Deltorphin I analgesia (P<0.05, <0.05 and <0.05), and this effect is dose dependent[1].
Animal Admin Mice[1] Male Kunming mice (20.0±1.0 g) are used. In order to investigate the chronic effect of Melatonin on opioid receptor agonist analgesia, 18, 17, 16 and 21 mice are treated with Melatonin (0, 0.5, 1 and 2.5 mg/kg, respectively) twice daily for 4 days. On the 5th day, 8, 8, 8 and 9 mice are administered with Endomorphin-1 18 μg/mouse (corresponding to 0, 0.5, 1 and 2.5 mg/kg Melatonin, respectively), while 10, 9, 8 and 12 mice are administered with Deltorphin I 20 μg/mouse (corresponding to 0, 0.5, 1 and 2.5 mg/kg Melatonin, respectively). Subsequently tail-flick latency is measured at 10 min interval within 60 min[1].
References

[1]. Dai X, et al. Melatonin attenuates the development of antinociceptive tolerance to delta-, but not to mu-opioid receptor agonist in mice. Behav Brain Res. 2007 Aug 22;182(1):21-7.

Density 1.284g/cm3
Boiling Point 1242.4ºC at 760mmHg
Molecular Formula C37H52N8O10
Molecular Weight 768.85600
Flash Point 705.2ºC
Exact Mass 768.38100
PSA 301.24000
LogP 2.08280
Vapour Pressure 0mmHg at 25°C
Index of Refraction 1.578
Storage condition 2-8℃