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Phe-Met-Arg-Phe Like Peptide, Snail Helix aspersa 

Cat. No.: HY-P1904 Purity: 99.70%
Handling Instructions Technical Support

Phe-Met-Arg-Phe Like Peptide, Snail Helix aspersa is a FMRF-like peptide from visceral and somatic muscles of the snail Helix aspersa. FMRF (Phe-Met-Arg-Phe) is a neuropeptide peptide consisting of 4 amino acid residues.

For research use only. We do not sell to patients.

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Phe-Met-Arg-Phe Like Peptide, Snail Helix aspersa Chemical Structure

Phe-Met-Arg-Phe Like Peptide, Snail Helix aspersa Chemical Structure

CAS No. : 98495-35-3

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10 mg In-stock
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This product is a controlled substance and not for sale in your territory.

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Based on 1 publication(s) in Google Scholar

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Description

Phe-Met-Arg-Phe Like Peptide, Snail Helix aspersa is a FMRF-like peptide from visceral and somatic muscles of the snail Helix aspersa. FMRF (Phe-Met-Arg-Phe) is a neuropeptide peptide consisting of 4 amino acid residues[1].

Molecular Weight

904.02

Formula

C44H61N11O10

CAS No.
Appearance

Solid

Color

White to off-white

Sequence

{pGLU}-Asp-Pro-Phe-Leu-Arg-Phe

Sequence Shortening

{pGLU}-DPFLRF

Structure Classification
Initial Source

snail Helix aspersa

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Sealed storage, away from moisture and light, under nitrogen

Powder -80°C 2 years
-20°C 1 year

*In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light, under nitrogen)

Solvent & Solubility
In Vitro: 

H2O : 50 mg/mL (55.31 mM; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 1.1062 mL 5.5309 mL 11.0617 mL
5 mM 0.2212 mL 1.1062 mL 2.2123 mL
View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light, under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

  • Molarity Calculator

  • Dilution Calculator

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass
=
Concentration
×
Volume
×
Molecular Weight *

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start)

C1

×
Volume (start)

V1

=
Concentration (final)

C2

×
Volume (final)

V2

In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

Dosage

mg/kg

Animal weight
(per animal)

g

Dosing volume
(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
This product has good water solubility, please refer to the measured solubility data in water/PBS/Saline for details.
The concentration of the stock solution you require exceeds the measured solubility. The following solution is for reference only.If necessary, please contact MedChemExpress (MCE).
Purity & Documentation
References

Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light, under nitrogen). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
H2O 1 mM 1.1062 mL 5.5309 mL 11.0617 mL 27.6543 mL
5 mM 0.2212 mL 1.1062 mL 2.2123 mL 5.5309 mL
10 mM 0.1106 mL 0.5531 mL 1.1062 mL 2.7654 mL
15 mM 0.0737 mL 0.3687 mL 0.7374 mL 1.8436 mL
20 mM 0.0553 mL 0.2765 mL 0.5531 mL 1.3827 mL
25 mM 0.0442 mL 0.2212 mL 0.4425 mL 1.1062 mL
30 mM 0.0369 mL 0.1844 mL 0.3687 mL 0.9218 mL
40 mM 0.0277 mL 0.1383 mL 0.2765 mL 0.6914 mL
50 mM 0.0221 mL 0.1106 mL 0.2212 mL 0.5531 mL

* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.

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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Phe-Met-Arg-Phe Like Peptide, Snail Helix aspersa
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