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Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > IGF-1 DES for Sale > Research-Grade IGF-1 DES Truncated Polypeptide Powder
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Research-Grade IGF-1 DES Truncated Polypeptide Powder

COA TDS

Unit Price:

$50/G FOB

Get Latest Price
Grade:

High Purity Grade

Content:

99.9%

Port:

hk

Brand:

xh

Packaging:

10vials/1box

Price valid (until):

2026-07-30

Company Type:
Trader
Location:
China
Qualification:
Main Products:

Retatrutide,Tirzepatide,Semaglutide,GHK-CU,NAD+,MOTS-C

  • Product Description

  • Seller Information

  • Description


      Product Detail  


    Brief Overview

    Truncated growth factor analog lyophilized polypeptide raw material is manufactured via standardized prokaryotic expression, multi-step affinity chromatographic purification, sterile filtration and low-temperature vacuum freeze-drying processes. This product is exclusively supplied for closed in-vitro fundamental academic research of universities, biomedical research institutes and biotechnology R&D teams, covering localized cell receptor binding testing, somatic transient metabolic signal cascade exploration, short-duration cell cycle regulation model construction, extracellular matrix transient interaction analysis and brief multi-tissue slice co-culture biochemical pathway research. The finished product is uniform off-white crystalline freeze-dried powder with complete truncated amino acid chain molecular structure, featuring transient targeted signal activation capacity and highly repeatable short-term experimental data across batches; it can retain intact temporary biological activity during brief continuous cell strain passaging and short-period organ slice incubation. Multiple vacuum-sealed neutral borosilicate glass vial specifications are available to match diversified laboratory testing schemes: 1mg, 2mg, 5mg. Each production batch is equipped with complete technical archives including independent batch inspection reports and unified technical datasheets, merely for internal laboratory filing and academic reference.
    Core Laboratory Research Application & Functional Characteristics
    1. Strict Usage Restriction Statement

      This short-chain polypeptide solid material is only suitable for isolated laboratory in-vitro cell cultivation and basic scientific research. It shall never be applied to human oral intake, external coating, physical conditioning, any in-vivo animal intervention, clinical detection, cosmetic raw material processing or food additive formulation. All permitted laboratory research directions are listed below:

      In-vitro quantitative measurement of binding affinity between the truncated analog and cell membrane receptors in fibroblast, epithelial and stem cell culture systems under short-term culture conditions

      Comparative cell model testing on regulatory mechanism of transient intracellular endocrine hormone gene expression within limited incubation time frames

      Observation testing of short-lived intracellular secondary messenger signal cascade shifts triggered by truncated polypeptide supplementation

      Basic exploration of transient cardiomyocyte antioxidant damage resistance signal modulation and CD36 receptor co-interaction mechanism in short-term cardiac cell line culture models

      Biochemical research projects on transient multi-endocrine axis feedback regulation and temporary microenvironment characteristic analysis of brief multi-tissue co-culture systems

      Gradient comparison testing of short-duration somatic cell metabolic activity variation under different truncated polypeptide additive concentrations

      Laboratory verification of correlation between intact full truncated polypeptide molecular structure and short-term anti-proteolytic degradation stability inside serum-free cell culture medium

      Research on transient oxidative stress balance of aging myocardial cells and linked brief intracellular energy metabolism signal pathways

      Short-term cell incubation testing of temporary metabolic signal regulation and cell activity maintenance in multi-type endocrine and cardiac tissue co-culture systems

      Contrast testing of short-duration intracellular retention efficiency between complete truncated polypeptide and hydrolyzed fragment derivatives inside standard cell culture medium

      Quantitative research on transient expression fluctuation of growth-associated transcription factors induced by truncated polypeptide supplementation in chemically damaged pituitary cell models
    2. Exclusive Research Advantages

      Truncated Short-Chain Transient Targeted Binding Feature

      The sixty-seven-amino-acid linear peptide chain removes three terminal amino acid residues from full-length native growth factor, which can stably bind two target membrane receptors distributed on pituitary and cardiac cell surfaces respectively, simultaneously activating downstream short-lived endocrine secretion and myocardial protective intracellular signal cascades inside experimental containers. It supplies low-interference, single-variable comparative data for truncated polypeptide-receptor transient interaction and endocrine signal research, effectively eliminating multiple confounding interfering factors in parallel control cell groups.
    Superior Short-Term Structural Stability After Lyophilization

    Low-temperature vacuum dehydration locks complete linear short-chain polypeptide skeleton and terminal amide modification structure, preventing peptide chain hydrolysis, amino acid oxidation and non-specific molecular aggregation during storage and cross-border transportation. The truncated amino acid structure can resist mild degradation by intracellular proteases within limited culture duration, solving the defect of rapid signal attenuation of long-term liquid medium samples, moderately lowering repeated reagent preparation workload for short-term laboratory inventory management and brief cell passaging experiments, supporting multi-day limited uninterrupted cell culture experimental schemes without frequent medium replenishment.
    Broad Compatibility With Conventional Mammalian Cell Culture Systems

    This lyophilized powder can be fully dissolved in laboratory dedicated bacteriostatic purified water and neutral pH-adjusted PBS buffer solution. It matches conventional pituitary somatotrophs, cardiomyocytes, endothelial cells, mesenchymal stem cells and multi-tissue slice testing systems, will not introduce foreign contaminants that disturb cell growth microenvironment, and will not trigger abnormal cytotoxic responses within standard research concentration ranges.
    Stable Concentration-Dependent Gradient Linear Responses For Short-Term Assays

    Adjustable working concentrations fit customized short-duration experimental designs; multiple detection indicators including transient hormone synthesis level, brief intracellular secondary messenger concentration and temporary cell proliferation ratio show stable linear changes along concentration gradients, facilitating quantitative data statistics and academic paper graph drafting for basic truncated polypeptide endocrine signal research.
    Ultra-Low Detection Background Interference For Short-Term Biochemical Analysis

    Multi-stage layered reversed-phase chromatographic purification removes residual truncated peptide fragments, incomplete synthesis by-products, free amino acid impurities and endotoxin contaminants inside finished solid products. It will not generate extra noise signals for spectrophotometers, fluorescence detectors and cell proliferation colorimetric testing equipment, delivering reliable, clear biochemical quantitative detection results and stable repeatability for short-duration cell signal verification experiments.
    Consistent Batch Performance Across All Production Lots

    Integrated standardized production flow including solid-phase short-chain polypeptide synthesis, terminal amidation modification, multi-step chromatographic purification and vacuum freeze-drying guarantees unified truncated peptide purity, core binding domain structural integrity and transient dual-receptor binding signal regulatory performance of all batches. It avoids experimental result deviation caused by inconsistent raw material synthesis batches, supporting parallel control testing and repeated result validation for laboratory teams researching pituitary and cardiac short-duration cell metabolic signals.
    Complete Standard Physical & Chemical Specification Parameters

    Basic Product Identification Information

    Full Standard Product Name: Truncated Short-Chain Polypeptide Transient Endocrine & Cardiac Signal Laboratory Culture Solid Research Reagent

    Alias: N-Terminal Tri-Residue Deletion Growth Factor Analog Synthetic Sixty-Seven-Amino-Acid Pituitary Cell Short-Term Metabolism Laboratory Lyophilized Powder

    Peptide Sequence: Amino acid residues 4–70 of native full-length growth factor, terminal tri-residue segment omitted

    Theoretical Molecular Weight: 7365.4 Da

    Appearance Morphology: Uniform off-white to pale yellow freeze-dried solid powder, free of caking, discoloration, deep brown oxidation spots, tiny foreign particles or visible insoluble impurities

    Odor Feature: Fully odorless

    Solubility Characteristic: Completely miscible with laboratory bacteriostatic purified water and neutral PBS buffer liquid; insoluble in alcohol-based organic solvents, aqueous solubility ≥100mg/mL

    Reconstituted Liquid Appearance: Transparent pale yellow clear liquid after full gentle dissolution, without turbidity, floccules, sediment or suspended particles

    pH Value of Standard 1mg/mL aqueous mixed solution: 6.8 ~ 7.5

    Residual Moisture Index (Karl Fischer titration): ≤ 8.0 %

    Stabilizer Composition: Acetate carrier, zero animal-derived components

    Endotoxin Level: ≤ 0.1 EU/μg, fully compliant with global universal biosafety standards for in-vitro cell basic laboratory research

    Total Heavy Metal Impurity Limit Standard: Comprehensive total heavy metal pollutants ≤10ppm (integrated combined detection of various heavy metal elements, no separate marking of single metal elements)

    Microbiological Control Standard: Total aerobic bacteria <10 CFU/mg, mold & yeast <5 CFU/mg; no pathogenic microorganisms detected in all finished batches

    Molecular Structural Integrity Standard: Every batch undergoes spectrum matching, peptide mapping and mass spectrometry verification to confirm intact full sixty-seven-amino-acid chain and complete core receptor binding domain structure, without peptide chain fracture or amino acid oxidative hydrolysis defects
    Quality Control Benchmark
    1. SDS-PAGE & HPLC Chromatographic Purity: ≥98.0% verified by single-method reversed-phase HPLC testing; complete chromatogram image records attached to each batch inspection report. Single unknown individual impurity ≤0.3%, total sum of all unknown impurities ≤1.0%. C18 reversed-phase chromatographic column with 220nm UV wavelength detection is adopted for accurate purity measurement, simultaneously verifying structural uniformity and residual volume of fragmented peptide segments.
    2. Mass Spectrometry Identity Verification: Measured molecular weight deviation controlled within ±4 Da vs theoretical value, fully consistent with standard native truncated analog molecular configuration.
    3. Amino Acid Composition Analysis: Each amino acid molar ratio deviates within ±10% theoretical stoichiometry, core binding domain residue proportion meets theoretical design standard.
    4. Trace Residual Testing: Residual synthesis auxiliary reagents and intermediate impurities comply with ICH Q3C standardized residual limit requirements.
    5. Accelerated Stability Testing: Constant temperature & humidity accelerated stability testing completed to confirm short-term shelf-life validity.
    6. Biological Activity Verification: Transient dual-receptor binding biological activity ≥98% compared with reference standard, validated via quantitative detection testing of temporary pituitary hormone and short-duration cardiomyocyte antioxidant enzyme synthesis efficiency.
    7. Full Batch Traceability Inspection: 100% manual visual full inspection of all sealed finished vials before shipment to screen defective products with abnormal appearance or incomplete vacuum sealing. A complete batch full traceability management system covers solid-phase peptide synthesis raw material logs, amidation production operation records, full-item inspection data and outgoing delivery archive files.
    Standard Step-by-Step Dissolving Operation Guidance

    Recommended Matching Solvent Medium: Laboratory dedicated bacteriostatic purified water / pH 6.8–7.5 neutral PBS buffer
    1. Slowly inject prepared buffer medium along the inner wall of glass vial to avoid violent foaming and truncated peptide core binding domain oxidative denaturation
    2. Fully tighten vial cap, rotate and swirl gently in slow circular motions for 3–5 minutes until all freeze-dried solid powder dissolves completely (short-chain polypeptide carries mild hygroscopicity, slow gentle dissolution prevents incomplete solvation and irreversible structural damage)
    3. Do NOT violently agitate the container; intense stirring will trigger peptide chain fracture and permanent attenuation of transient dual-receptor binding signal activity

      Suggested Working Concentration Range For Short-Term Pituitary Endocrine & Cardiac Cell Model Basic Research

      1nM – 1000nM, flexibly adjustable based on customized limited-duration experimental design, cell strain categories and temporary test endpoint detection indicators
    Storage Environment & Valid Usage Cycle Regulatory Specifications

    Unopened Original Vacuum-Sealed Vials

    Long-term sealed storage condition: Store fully sealed vials at -20℃, completely shielded from direct sunlight and high ambient humidity (photosensitive and easily oxidized short-chain polypeptide must avoid repeated exposure to humid air and strong light irradiation)

    Valid stable storage period under constant -20℃ sealed storage: 18 months

    Short-distance transportation stability tolerance: Retain complete transient dual-receptor binding signal activity for up to 7 days under ambient temperature ≤25℃, light-proof packaging mandatory during transit

    Forbidden storage operations: Frequent repeated temperature cycle fluctuation, long-time continuous direct sunlight exposure, storage adjacent to volatile oxidizing organic chemical reagents, repeated opening of sealed vial under humid atmospheric environment

    Liquid Mixed With Bacteriostatic Purified Water / PBS Buffer After Full Dissolution

    Storage condition after complete dissolution: Place inside refrigerator under 2℃ ~ 8℃ refrigeration environment, fully shaded from light and tightly sealed

    Suggested full consumption time limit: Use up all mixed liquid within 14 days after preparation completion

    Strict prohibition rule: Do not repeatedly freeze and thaw diluted mixed liquid; repeated freeze-thaw cycles will permanently damage short-chain polypeptide skeleton and core binding domain coordination stability, completely losing transient
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    Items Specifications
    IGF-DES 2mg*10vials

    Certificates

    Basic Info
    Product Name:

    IGF-1 DES

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Retatrutide,Tirzepatide,Semaglutide,GHK-CU,NAD+,MOTS-C

    Location:

    Block 1, No. 205, Tongbao Road, Jiangdong Street, Yiwu City, Jinhua City, Zhejiang Province (within Zhejiang Juzhiyun Holding Co., Ltd., on the 4th floor of 2 buildings)

    Payment Terms:

    TT against copy of documents,O/A,100% TT in advance

    Total Employees:

    101-200

    Year of Establishment:

    2026

    Company Profile

    Yiwu Xinhong Trading Co., Ltd. is a professional trading company engaged in the international supply and distribution of peptides, chemical raw materials.
    Leveraging a reliable network of qualified manufacturers and strategic partners, we provide customers with high-quality products, competitive pricing, and efficient supply chain solutions. Our products are widely used in pharmaceutical research, biotechnology, chemical manufacturing, laboratory research, and various industrial applications.

    With extensive experience in international trade, we are committed to helping customers source quality chemical products from China through professional procurement services, strict supplier selection, and reliable logistics support. We focus on building long-term partnerships by delivering consistent quality, responsive communication, and dependable service.

    Main Products
    Peptides
    Chemical Raw Materials
    Organic Chemicals
    Inorganic Chemicals
    Fine Chemicals
    Our Advantages
    Professional international trading services
    Reliable supplier network
    Competitive pricing and flexible sourcing
    Strict quality control and supplier management
    Fast response and efficient communication
    Global export and logistics support
    Business Scope

    Global sourcing, international trade, import and export of chemical products, customized procurement solutions, and supply chain services.

    Markets

    Europe, North America, South America, Southeast Asia, the Middle East, and other international markets.

    Yiwu Xinhong Trading Co., Ltd. is committed to providing professional chemical sourcing solutions and creating long-term value for customers worldwide. We look forward to establishing mutually beneficial partnerships with clients across the globe.

    Business Type: Trading Company
    Company Name: Yiwu Xinhong Trading Co., Ltd.
    Main Business: Peptides, Chemical Raw Materials
    Market: Global

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