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HAEGTFT

Cat No.:V28744 Purity: ≥98%
HAEGTFT is residues 1-7 at the N-terminus of the GLP-1 polypeptide.
HAEGTFT
HAEGTFT Chemical Structure CAS No.: 926018-95-3
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
HAEGTFT is residues 1-7 at the N-terminus of the GLP-1 polypeptide.
HAEGTFT (CAS 926018-95-3) is a synthetic peptide corresponding to the first N-terminal 1-7 residues of the glucagon-like peptide-1 (GLP-1) polypeptide. The peptide sequence is His-Ala-Glu-Gly-Thr-Phe-Thr. HAEGTFT is used in metabolic research to study the biochemical pathways involved in insulin regulation, glucose metabolism, and pancreatic function. As a GLP-1 fragment, it serves as a tool for investigating the structure-activity relationships of the incretin hormone system.
Biological Activity I Assay Protocols (From Reference)
Targets
HAEGTFT targets the glucagon receptor (GCGR), which is a G protein-coupled receptor involved in glucose homeostasis. GLP-1 and its fragments interact with the GLP-1 receptor (GLP-1R), a member of the class B GPCR family, to stimulate insulin secretion in a glucose-dependent manner. By studying HAEGTFT, researchers can explore the molecular interactions between GLP-1 fragments and their receptors.
ln Vitro
In vitro, HAEGTFT is used to study GLP-1 receptor binding and activation. As the N-terminal 1-7 fragment of GLP-1, it represents the minimal region required for receptor recognition and biological activity. The peptide is employed in receptor binding assays to characterize the interaction between GLP-1 fragments and the GLP-1 receptor, providing insights into the structural determinants of incretin hormone action.
ln Vivo
In vivo activity data for HAEGTFT are limited, as the peptide is primarily used as a research tool for in vitro binding and structure-activity studies. The full-length GLP-1 peptide, by contrast, is known to stimulate insulin secretion in vivo in a glucose-dependent manner. HAEGTFT serves as a reference compound for understanding the functional contributions of individual GLP-1 residues to receptor binding and activation.
Enzyme Assay
In vitro receptor binding assays for HAEGTFT involve measuring the peptide's affinity for the GLP-1 receptor (GLP-1R) using radioligand competition binding techniques. The peptide is incubated with membranes expressing GLP-1R and a radiolabeled GLP-1 analog, and the displacement of the radioligand is quantified to determine binding affinity. These cell-free assays help define the minimal structural requirements for GLP-1 receptor recognition.
Cell Assay
In vitro cellular assays for HAEGTFT are performed using cell lines expressing the GLP-1 receptor, such as pancreatic β-cell lines. Cells are treated with the peptide, and receptor activation is assessed by measuring downstream signaling events, including cAMP accumulation and calcium mobilization. These assays help characterize the peptide's ability to activate GLP-1R and stimulate insulin secretion pathways.
Animal Protocol
In vivo animal experimental protocols for HAEGTFT are not extensively documented, as the peptide is primarily used for in vitro research applications. For full-length GLP-1, animal studies typically involve administration to rodents followed by measurement of glucose levels and insulin secretion. HAEGTFT may be used as a control or reference compound in such studies to evaluate the contribution of specific N-terminal residues.
ADME/Pharmacokinetics
Pharmacokinetic properties of HAEGTFT have not been systematically characterized. As a peptide, it would be expected to have limited oral bioavailability due to degradation in the gastrointestinal tract. The peptide has a molecular weight of 761.78 and molecular formula C33H47N9O12. It appears as a white lyophilized powder and should be stored at -20°C for long-term stability.
Toxicity/Toxicokinetics
Toxicological data for HAEGTFT are not extensively reported. As a research-use peptide, its safety profile has not been formally evaluated in preclinical toxicology studies. The compound is intended for research purposes only and is not approved for human therapeutic use. Standard laboratory safety precautions should be followed when handling this peptide.
Additional Infomation
HAEGTFT is a synthetic peptide with CAS number 926018-95-3, molecular formula C33H47N9O12, and molecular weight 761.78. The sequence is His-Ala-Glu-Gly-Thr-Phe-Thr. It is supplied as a white lyophilized powder with purity ≥95% and is soluble in DMSO. The peptide is used in endocrinology and metabolic research to study GLP-1 structure-activity relationships and insulin regulation pathways.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C33H47N9O12
Molecular Weight
761.779387712479
Exact Mass
821.355
CAS #
926018-95-3
PubChem CID
155977575
Appearance
White to off-white solid powder
Hydrogen Bond Donor Count
13
Hydrogen Bond Acceptor Count
16
Rotatable Bond Count
22
Heavy Atom Count
58
Complexity
1360
Defined Atom Stereocenter Count
8
SMILES
[C@H](C(=O)N[C@H](C(=O)O)[C@H](O)C)(NC(=O)[C@]([H])([C@H](O)C)NC(=O)CNC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](C)NC(=O)[C@@H](N)CC1NC=NC=1)CC1C=CC=CC=1
InChi Key
IOGUQTQPKUEFLH-FXWHAICVSA-N
InChi Code
InChI=1S/C33H47N9O12.C2H4O2/c1-16(38-29(49)21(34)12-20-13-35-15-37-20)28(48)39-22(9-10-25(46)47)30(50)36-14-24(45)41-26(17(2)43)32(52)40-23(11-19-7-5-4-6-8-19)31(51)42-27(18(3)44)33(53)54;1-2(3)4/h4-8,13,15-18,21-23,26-27,43-44H,9-12,14,34H2,1-3H3,(H,35,37)(H,36,50)(H,38,49)(H,39,48)(H,40,52)(H,41,45)(H,42,51)(H,46,47)(H,53,54);1H3,(H,3,4)/t16-,17+,18+,21-,22-,23-,26-,27-;/m0./s1
Chemical Name
acetic acid;(4S)-4-[[(2S)-2-[[(2S)-2-amino-3-(1H-imidazol-5-yl)propanoyl]amino]propanoyl]amino]-5-[[2-[[(2S,3R)-1-[[(2S)-1-[[(1S,2R)-1-carboxy-2-hydroxypropyl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-2-oxoethyl]amino]-5-oxopentanoic acid
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture and light.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
May dissolve in DMSO (in most cases), if not, try other solvents such as H2O, Ethanol, or DMF with a minute amount of products to avoid loss of samples
Solubility (In Vivo)
Note: Listed below are some common formulations that may be used to formulate products with low water solubility (e.g. < 1 mg/mL), you may test these formulations using a minute amount of products to avoid loss of samples.

Injection Formulations
(e.g. IP/IV/IM/SC)
Injection Formulation 1: DMSO : Tween 80: Saline = 10 : 5 : 85 (i.e. 100 μL DMSO stock solution 50 μL Tween 80 850 μL Saline)
*Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH ₂ O to obtain a clear solution.
Injection Formulation 2: DMSO : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL DMSO 400 μLPEG300 50 μL Tween 80 450 μL Saline)
Injection Formulation 3: DMSO : Corn oil = 10 : 90 (i.e. 100 μL DMSO 900 μL Corn oil)
Example: Take the Injection Formulation 3 (DMSO : Corn oil = 10 : 90) as an example, if 1 mL of 2.5 mg/mL working solution is to be prepared, you can take 100 μL 25 mg/mL DMSO stock solution and add to 900 μL corn oil, mix well to obtain a clear or suspension solution (2.5 mg/mL, ready for use in animals).
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Injection Formulation 4: DMSO : 20% SBE-β-CD in saline = 10 : 90 [i.e. 100 μL DMSO 900 μL (20% SBE-β-CD in saline)]
*Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.
Injection Formulation 5: 2-Hydroxypropyl-β-cyclodextrin : Saline = 50 : 50 (i.e. 500 μL 2-Hydroxypropyl-β-cyclodextrin 500 μL Saline)
Injection Formulation 6: DMSO : PEG300 : castor oil : Saline = 5 : 10 : 20 : 65 (i.e. 50 μL DMSO 100 μLPEG300 200 μL castor oil 650 μL Saline)
Injection Formulation 7: Ethanol : Cremophor : Saline = 10: 10 : 80 (i.e. 100 μL Ethanol 100 μL Cremophor 800 μL Saline)
Injection Formulation 8: Dissolve in Cremophor/Ethanol (50 : 50), then diluted by Saline
Injection Formulation 9: EtOH : Corn oil = 10 : 90 (i.e. 100 μL EtOH 900 μL Corn oil)
Injection Formulation 10: EtOH : PEG300Tween 80 : Saline = 10 : 40 : 5 : 45 (i.e. 100 μL EtOH 400 μLPEG300 50 μL Tween 80 450 μL Saline)


Oral Formulations
Oral Formulation 1: Suspend in 0.5% CMC Na (carboxymethylcellulose sodium)
Oral Formulation 2: Suspend in 0.5% Carboxymethyl cellulose
Example: Take the Oral Formulation 1 (Suspend in 0.5% CMC Na) as an example, if 100 mL of 2.5 mg/mL working solution is to be prepared, you can first prepare 0.5% CMC Na solution by measuring 0.5 g CMC Na and dissolve it in 100 mL ddH2O to obtain a clear solution; then add 250 mg of the product to 100 mL 0.5% CMC Na solution, to make the suspension solution (2.5 mg/mL, ready for use in animals).
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Oral Formulation 3: Dissolved in PEG400
Oral Formulation 4: Suspend in 0.2% Carboxymethyl cellulose
Oral Formulation 5: Dissolve in 0.25% Tween 80 and 0.5% Carboxymethyl cellulose
Oral Formulation 6: Mixing with food powders


Note: Please be aware that the above formulations are for reference only. InvivoChem strongly recommends customers to read literature methods/protocols carefully before determining which formulation you should use for in vivo studies, as different compounds have different solubility properties and have to be formulated differently.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.3127 mL 6.5636 mL 13.1271 mL
5 mM 0.2625 mL 1.3127 mL 2.6254 mL
10 mM 0.1313 mL 0.6564 mL 1.3127 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

  • Enter the mass of the reagent and the desired reconstitution concentration as well as the correct units
  • Click the “Calculate” button
  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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