GLP-1 5mg/bottle core introduction
Research-grade glucagon-like peptide-1 | Made in China human GLP-1(7-36)amide 5mg/vial
Generic name : Glucagon-like peptide-1 (active form)
English name : Glucagon-like peptide-1 (7-36) amide
Amino acid sequence : HAEGTFTSDVSSYLEGQAAKEFIAWLVKGR-NH₂ (positions 7-36, C-terminal amidation)
CAS No .: 106612-94-6
Molecular formula : C₁₄₇H₂₂₀N₄₂O₄₅
Molecular weight : Approximately 3297.6 Da
Purity : ≥98.0% (HPLC)
Appearance : White lyophilized powder
Storage : Freeze at -20℃, protect from light, and store in a dry place.
Usage and Storage Guide
1. Reconstitution and preparation :
Recommended solvent :
Preferred solvent : Alkaline buffer solution with pH 8.5-9.0 (such as 0.1M NH₄HCO₃ buffer) or dedicated sterile reconstitution diluent.
Secondary solvent : Sterile water for injection (Note that GLP-1 tends to form gels or aggregate in aqueous solutions; it should be used immediately after dissolution).
For cell experiments : dissolve in a small amount of dilute acetic acid (e.g., 0.1% acetic acid aqueous solution) first, then dilute with PBS or culture medium to the working concentration.
Standard preparation procedure :
Solvent preparation :
Bring the recommended buffer or sterile water to room temperature.
If using sterile water, it is recommended to add a small amount (0.1%) of bovine serum albumin (BSA) to reduce peptide adsorption on the container surface.
Reconstitution procedure :
Add 1.0 mL of solvent to a 5 mg vial.
Gently rotate the vial (do not shake vigorously).
Let stand at room temperature for 2-3 minutes until completely dissolved.
Final concentration: 5 mg/mL (approximately 1.5 mM)
Separate and store :
Immediately aliquot the solution into smaller portions (e.g., 20-50 μL/tube).
Immediately freeze after repackaging.
Preparation of working solution :
In vitro cell experiments : The typical working concentration is 1-100 nM.
Animal studies : Intraperitoneal injection dose 5-50 μg/kg, diluted with physiological saline or PBS.
Note : Avoid repeated freeze-thaw cycles; single-use repackaging is recommended.
Key points to note :
Dissolving tips : If dissolving is difficult, gently vortex, but avoid vigorous shaking that may generate bubbles.
pH control : An alkaline environment (pH>8.0) is beneficial for dissolution and stability.
Adsorption prevention : Use tubing with low adsorption properties (such as silanized tubing).
To avoid contamination : Strict aseptic technique must be followed during the preparation process.
Use immediately : Use within 1 hour after reconstitution.
2. Storage conditions :
Unreconstituted lyophilized powder :
Long-term storage : Store frozen at -20°C or below; shelf life 24 months.
Optimal storage : Deep freezing at -80°C can extend stability to 36 months.
Conditions to avoid : Avoid repeated freeze-thaw cycles, and protect from high temperatures and sunlight.
Reconstituted solution :
Use immediately : Best used immediately after reconstitution.
Short-term storage : Refrigerate at 2-8℃ for no more than 4 hours.
Long-term storage : After repackaging, freeze at -20℃ for no more than 1 month, or at -80℃ for no more than 3 months.
Transportation conditions :
Freeze-dried powder : Transported with ice packs (2-8℃) or dry ice (below -78℃).
Solution : Must be transported with dry ice.
Light-proof packaging : Wrapped in light-proof materials
3. Stability protection measures :
Antioxidant protection :
Add 0.1% ascorbic acid or 1mM EDTA
Nitrogen purging protection solution
Protease inhibitors :
Add 0.1% aprotinin or 1mM PMSF
The preparation process is carried out on ice.
Concentration maintenance :
Working concentration not less than 10 μM
Avoid prolonged storage after high dilution
Container selection :
Using silanized low-adsorption tubes
Avoid using polypropylene tubing (it easily absorbs moisture).
4. Compatibility and fit :
Compatible solvents :
0.1M NH₄HCO₃ buffer
0.1% acetic acid solution
PBS (pH 7.4, short-term)
Physiological saline containing 0.1% BSA
Avoid incompatibility :
Strong acid (pH < 3.0)
Strong base (pH>10.0)
High concentration organic solvents
Metal ions (Cu²⁺, Fe³⁺)
Quality Advantages of Chinese Manufacturers
This product is manufactured by a Chinese biotechnology company, strictly adheres to cGMP standards, and is designed specifically for research needs.
✅Advanced synthesis process :
Solid-phase peptide synthesis : using the Fmoc strategy, amino acid-by-amino acid coupling.
Proprietary modification technology : C-terminal amidation efficiency ≥99.5%
Microwave-assisted synthesis : Improves coupling efficiency and reduces missing sequences
Large-scale production : batch output in grams, ensuring stable supply.
✅Strict quality control :
Purity analysis :
HPLC purity ≥ 98.0%
Single impurity ≤0.5%
Total impurities ≤ 2.0%
Molecular weight confirmation :
MALDI-TOF MS precise measurement
Error range ±0.1%
Secondary structure :
Circular dichroism (CD) analysis
Confirmation of α-helical structure
Bioactivity verification :
cAMP detection based on RINm5F cells
EC₅₀≤0.1nM
Maximum effect ≥90%
Sterility and endotoxins :
Sterility test: Meets requirements
Bacterial endotoxin: <10 EU/mg
Moisture content :
Moisture content: ≤5.0%
Peptide content: ≥80.0%
✅Stability Guaranteed :
Accelerated testing : Stability at 40℃/75%RH
Long-term test : Stable for 24 months when stored at -20℃
Repeated freeze-thaw cycles : withstands 3 freeze-thaw cycles
Light test : Stable under light-shielded conditions
✅Professional Packaging :
Vials : Neutral borosilicate glass, light-proof treatment
Rubber stopper : Coated butyl rubber stopper
Nitrogen purging protection : to prevent oxidation
Individual packaging : to avoid cross-contamination
Complete label : batch number, purity, concentration, expiration date
✅Technical Support :
Provide a complete COA report
Technical consultation and support
Custom synthesis service
Application Solution Guidance
Need anything, please contact us
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+852 4671 8216 |
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Telegram |
Allenraws |
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Allenraws810@gmail.com |

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