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Substance P (7-11) acetate is a specific fragment of the neuropeptide Substance P, acting as a neurotransmitter and neuromodulator in the central nervous system, with its endogenous receptor being neurokinin 1 (NK1R), making it useful for neurophysiological and pharmacological research.

| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 2 mg | $41 | In Stock | |
| 5 mg | $66 | In Stock | |
| 10 mg | $116 | In Stock | |
| 25 mg | $197 | In Stock | |
| 50 mg | $296 | In Stock |
| Description | Substance P (7-11) acetate is a specific fragment of the neuropeptide Substance P, acting as a neurotransmitter and neuromodulator in the central nervous system, with its endogenous receptor being neurokinin 1 (NK1R), making it useful for neurophysiological and pharmacological research. |
| In vitro | Substance P (7-11) acetate at concentrations greater than 1μM can promote the production of prostaglandin E₂ (PGE₂) and collagenase. Fluorescent dye Fura-2 detection revealed that the substance capable of increasing intracellular calcium concentration is Substance P (7-11), whereas intact SP, SP-(1-4), SP-(1-6), SP-(8-11) or SP-(9-11), as well as tachykinin family members neurokinin A (NKA) and neurokinin B (NKB), failed to induce the aforementioned intracellular calcium elevation effect. Additionally, the maximum change in intracellular calcium concentration induced by 10μM Substance P (7-11) was 140±30nM [1]. |
| Synonyms | Substance P (7-11) acetate (51165-05-0 free base) |
| Molecular Weight | 612.79 (free base) |
| Formula | C31H44N6O5S.xC2H4O2 |
| Smiles | N[C@@H](CC1=CC=CC=C1)C(N[C@H](C(NCC(N[C@@H](CC(C)C)C(N[C@H](C(N)=O)CCSC)=O)=O)=O)CC2=CC=CC=C2)=O.CC(O)=O |
| Color | White |
| Appearance | Solid |
| Sequence | Phe-Phe-Gly-Leu-Met-NH2 |
| Sequence Short | FFGLM-NH2 |
| Storage | keep away from moisture | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. |
| Solubility Information | H2O: 1.5 mg/mL, when pH is adjusted to 2 with HCl. Sonication is recommended. |

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