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Oxytocin

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Identification
Molecular formula
C43H66N12O12S2
CAS number
50-56-6
IUPAC name
1-[19-amino-7-(2-amino-2-oxo-ethyl)-10-(3-amino-3-oxo-propyl)-13-benzyl-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]-N-[1-[(2-amino-2-oxo-ethyl)carbamoyl]-4-guanidino-butyl]pyrrolidine-2-carboxamide
State
State

Oxytocin is typically stored as a solid powder and is dissolved into a liquid solution for injection purposes. It is stable when refrigerated as a solid, but usually administered as a liquid.

Melting point (Celsius)
169.50
Melting point (Kelvin)
442.65
Boiling point (Celsius)
178.00
Boiling point (Kelvin)
451.15
General information
Molecular weight
1007.19g/mol
Molar mass
1 007.1930g/mol
Density
1.3107g/cm3
Appearence

Oxytocin is typically found in a lyophilized form as a white to off-white powder. When in solution, it appears as a clear, colorless liquid.

Comment on solubility

Solubility of 1-[19-amino-7-(2-amino-2-oxo-ethyl)-10-(3-amino-3-oxo-propyl)-13-benzyl-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]-N-[1-[(2-amino-2-oxo-ethyl)carbamoyl]-4-guanidino-butyl]pyrrolidine-2-carboxamide

The solubility of the compound 1-[19-amino-7-(2-amino-2-oxo-ethyl)-10-(3-amino-3-oxo-propyl)-13-benzyl-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]-N-[1-[(2-amino-2-oxo-ethyl)carbamoyl]-4-guanidino-butyl]pyrrolidine-2-carboxamide can be influenced by several structural characteristics:

  • Polarity: The presence of multiple polar functional groups, such as amines and carbonyls, suggests that this compound is likely to be more soluble in polar solvents, such as water.
  • Hydrogen Bonding: The ability to form hydrogen bonds with solvents can significantly enhance solubility. The numerous amine and hydroxyl groups present might interact favorably with a solvent like water.
  • Molecular Weight: Although its high molecular weight may introduce some limitations in solubility, the functional groups should mitigate this effect.
  • pH Sensitivity: Given the multiple amine groups, the solubility might also be affected by the pH of the solution, which can lead to ionization and thus, enhanced solubility.

In summary, while the structural complexity and potential for hydrogen bonding point toward a degree of solubility in polar solvents, empirical testing would be essential to ascertain the exact solubility characteristics in various mediums. As with many complex compounds, understanding the balance of these factors is key to predicting solubility behavior.

Interesting facts

Exploring a Unique Compound

The compound designated as 1-[19-amino-7-(2-amino-2-oxo-ethyl)-10-(3-amino-3-oxo-propyl)-13-benzyl-16-[(4-hydroxyphenyl)methyl]-6,9,12,15,18-pentaoxo-1,2-dithia-5,8,11,14,17-pentazacycloicosane-4-carbonyl]-N-[1-[(2-amino-2-oxo-ethyl)carbamoyl]-4-guanidino-butyl]pyrrolidine-2-carboxamide presents a fascinating subject for study due to its intricate structure and potential applications.

Key Features

  • Complex Composition: Featuring an elaborate arrangement of amino acids, the compound includes multiple functional groups and complex rings, presenting opportunities for diverse chemical interactions.
  • Potential Therapeutic Uses: Compounds with similar structures often have prospects in drug design, particularly in targeting specific biological pathways.
  • Structural Diversity: The presence of both carbonyl and guanidine functionalities hints at its potential reactivity, which could be exploited in various chemical reactions or as a building block in synthesis.
  • Research Implications: Given its unique characteristics, this compound could serve as a scaffold in medicinal chemistry or bioorganic applications, making it a valuable subject for interdisciplinary research.

As we delve deeper into the chemistry of this compound, it's essential to recognize its potential role in advancing our understanding of biochemical interactions. Researchers might quote that such compounds "bridge the gap between structure and function," highlighting their multifaceted nature. This compound stands out not only for its complexity but also for the pathways it may open in understanding intricate biological systems.


In conclusion, the unique structure of this compound can lead to exciting discoveries that stretch across various fields including medicinal chemistry and materials science, inviting researchers to explore its full range of possibilities.

Synonyms
113-79-1
Argipressin tannate
[Arg8]-Vasopressin
ArginineVasopressin-d5
Argpressin acetate
8-L-Arginine vasopressin
Argpressin
Intertocin; Pituitrin P; Tonephin
Argpressin Acetate?
[Arg8]-Vasopressin acetate salt
(ARG8)-VASOPRESSIN TRIFLUOROACETATE SALT
SCHEMBL19712236
VAS-3878-PI
KBZOIRJILGZLEJ-UHFFFAOYSA-N
PVP-4085-V
BCP27616
NS00023698
L001131
[Arg8]-Vasopressin (Human, Bovine, Ovine, Rat, Mouse) (0.5 mg vial)
Argpressin Acetate;Arginine vasopressin;Pitressin; Vasopressin; Arg8-vasopressin; AVP