Oxytocin Acetate/ 99% purity/ 10mg OT10/ Midwifery, Psychological, and Neuromodulation

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•          Oxytocin Acetate is the acetate salt form of the natural hormone oxytocin. It is currently the most widely used oxytocin preparation in both clinical medicine and scientific research. Compared to the free base form, the acetate salt offers superior stability, water solubility, and bioavailability, making it the standard active pharmaceutical ingredient. Its amino acid sequence is identical to that of natural oxytocin secreted by the human posterior pituitary gland, and it is classified as a synthetic nonapeptide hormone acetate.

  Physicochemical Properties

  • * Appearance: Typically appears as a white or off-white amorphous powder or lyophilized cake. It lacks a distinct crystalline structure, is highly hygroscopic, and readily absorbs moisture from the air.
  • * PH and Stability: Aqueous solutions are weakly acidic to neutral (pH typically ranges from 3.0 to 6.0). It is sensitive to heat, light, and oxidizing agents. It remains relatively stable when stored dry, protected from light, and refrigerated at 2–8°C. Exposure to high temperatures, strong acids, strong bases, or thiol-containing reducing agents can cleave its disulfide bond, resulting in loss of biological activity.
  • * Optical Activity: As a chiral polypeptide, it exhibits a specific optical rotation (typically between -20° and -30°), which serves as a key indicator for identifying purity and conformation.
  • * Molecular Weight: The molecular weight of oxytocin free base is approximately 1007.19 Da. Upon association with acetate groups, the molecular weight of oxytocin acetate generally ranges from 1067 to 1127 Da, depending on the number of acetate moieties.
  • * CAS Registry Number: 50-56-6 or 62568-57-4

  Mechanism of Action

        Upon administration, oxytocin acetate dissociates to release the active oxytocin molecule, which exerts dual biological effects through highly specific receptor-mediated pathways.

  Peripheral Physiological Mechanisms (Classical Actions)

  • * Uterine Smooth Muscle Contraction: Binds to oxytocin receptors (G protein-coupled receptors) on uterine myometrial cell membranes, activating the Gq/11-phospholipase C signaling pathway. This promotes IP₃ production and triggers Ca²⁺ release from intracellular stores. The resulting surge in cytosolic calcium concentration initiates actin-myosin interactions, causing rhythmic or tonic contractions. Uterine sensitivity increases significantly as pregnancy progresses, peaking at parturition.
  • * Milk Ejection Reflex: Acts on myoepithelial cells surrounding mammary alveoli, inducing contraction via the same calcium signaling pathway to expel milk into the ductal system. Note that it facilitates "milk ejection" rather than "lactogenesis" (the latter is regulated by prolactin).

  Central Nervous System Mechanisms (Social Behavior Modulation)

  • * Brain Entry Pathways: Small amounts cross the blood-brain barrier via active transport or permeation through specialized regions; intranasal administration bypasses the barrier to deliver the peptide directly to brain areas.
  • * Neuromodulatory Functions: Modulates activity in brain regions including the amygdala, nucleus accumbens, and prefrontal cortex. It suppresses amygdala reactivity to threatening stimuli (anxiolytic effect), enhances dopaminergic reward signaling in the ventral tegmental area (promoting attachment and trust), and regulates social cognition, maternal-infant bonding, and sexual behavior. These functions constitute the neurobiological basis for its designation as the "love hormone."
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      The core principle for storing parenteral lyophilized powder is strict refrigeration and absolutely no freezing. Before reconstitution, it is generally stored in the dark at 2 to 8°C. Once mixed and dissolved with the solvent, it must be used within a very short period.

Before Reconstitution (Original Packaging)

Strict Refrigeration: The vast majority of parenteral lyophilized powders need to be stored in a refrigerator at 2 to 8°C.

Absolutely No Freezing: Freezing will cause irreversible damage to the structure of proteins and peptides.

Protection from Light and Moisture: The product must be kept in its original packaging to avoid direct sunlight and accidental exposure to moisture.

After Reconstitution (Mixed State)

Highly Time-Sensitive: Once the lyophilized powder is dissolved with a sterile solvent, the stability of the drug drops significantly. It usually needs to be administered immediately or within a very short window (e.g., a few hours).

No Prolonged Storage: Under no circumstances should the reconstituted solution be stored in the refrigerator for use the next day. This can easily lead to loss of efficacy or severe bacterial contamination.

      * We will ship your order within 24–48 hours after payment is received.

     * We have dedicated shipping routes, allowing us to select the fastest and safest carrier for your specific destination—including FedEx, UPS, China Post, and other international express services. The estimated delivery time is approximately 7–15 business days.

     * We will also track the logistics throughout the entire process and update the logistics information for buyers in real time.

          Our company is located in Zhejiang Province and is a Chinese enterprise specializing in the production of peptide products.We are not intermediaries or resellers; we are the original manufacturer. This allows us to offer you the most competitive pricing. Our motto is: to manufacture products with care and serve customers with dedication.We are dedicated to serving every visitor with heart. No matter where you come from, you will experience our premium VIP service. We guarantee that every customer receives only the finest products, backed by exceptional after-sales support, as we strive to ensure your complete satisfaction.

1. What's the payment methods?
We could accept pay through Alipay, USDT, BTC and TT.

2.Does the product have a test report?
Each batch of our products undergoes testing before leaving the factory, and a Certificate of Analysis (COA) report is issued.

3.Can customers customize their own labels?

Custom labeling services are available. Please contact us to discuss your specific requirements prior to placing an order.

4.What is the product's shelf life?

When unopened, our products have a shelf life of two years under both room temperature and frozen storage conditions. Therefore, you can rest assured that extended shipping times will not cause the product to expire or degrade.

1.  * Ultra-High Purity Guaranteed
   Every batch is synthesized and purified to >99% purity, delivering the reliability and reproducibility your sensitive experiments demand.
2.  
3. * Precision Dosing & Batch Consistency
   Peptides are accurately weighed and vacuum-sealed under sterile conditions. We enforce rigorous quality control to ensure unwavering consistency from batch to batch.
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5. * Endotoxin-Free & Sterile Assurance
   Produced in a certified cleanroom, our peptides are rigorously tested to be free of endotoxins, microbes, and impurities—safeguarding the integrity of your cell-based and in vivo studies.