Important dilution note: Cloudiness after dilution is most commonly associated with non-pharmaceutical-grade dilution solution. Cloudy product concerns are not eligible for refund unless Pfizer pharmaceutical-grade dilution solution was used.

Vial Size: 3ml

Form: White Lyophilized Powder

CAS Number: 62568-57-4

Chemical Name: Delta Sleep-Inducing Peptide

Synonyms: DSIP; Deltaran; Delta-sleep-inducing peptide

Molecular Formula: C₃₅H₄₈N₁₀O₁₅

Molecular Weight: 848.8 g/mol

Sequence: Trp-Ala-Gly-Gly-Asp-Ala-Ser-Gly-Glu; 9-amino acid neuropeptide originally isolated from rabbit thalamus; unmodified termini

Purity: ≥98% (HPLC) — see batch COA

Form: Lyophilized white to off-white powder

Storage Conditions: Store at −20°C, desiccated, protected from light. Stable 24 months lyophilized.

Solubility: Soluble in sterile water at ≥1 mg/mL

Receptor Activity: Studied for sleep-wake cycle modulation, sigma receptor interactions, and hypothalamic-pituitary-adrenal (HPA) axis regulation in preclinical cell and animal models

Certificate of Analysis: Available for all batches.

For research and laboratory use only. Not for human or animal consumption. This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure, or prevent any disease or condition. For use by qualified research professionals only.