Procurement teams evaluate analytical data and supply scale before committing. Browse the primary series of factory-certified lyophilized peptides, analytical controls, and active pharmaceutical intermediates.
In life-science procurement and global pharmaceutical supply chains, CAS 863288-34-0 (associated systematically with stabilized growth hormone-releasing factor analogues, including synthetic Tesamorelin acetate intermediates) requires uncompromising precision. Every synthesis run must satisfy rigid structural conformations, stoichiometric counterion balancing, and residual impurity suppression.
| Analytical Parameter | Technical Specification Standard | Validation Methodology | Standard Batch Finding |
|---|---|---|---|
| Chemical / IUPAC Designation | (3E)-hex-3-enoyl-Tyr-Ala-Asp-Ala-Ile-Phe-Thr-Asn-Ser-Tyr-Arg-Lys-Val-Leu-Gly-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Met-Ser-Arg-Gln-Gln-Gly-Glu-Ser-Asn-Gln-Glu-Arg-Gly-Ala-Arg-Ala-Arg-Leu-NH2 | Sequence Mapping / Mass Fragment | Conforms to Primary Sequence Structure |
| CAS Registry Number | 863288-34-0 / Rel. 218949-48-5 | CAS Chemical Index Cross-Check | Verified CAS Registry Record |
| Molecular Formula & Mass | C221H366N72O67S • 5135.88 g/mol (Monoisotopic: 5132.69 Da) | High-Resolution LC-MS (ESI-TOF) | [M+3H]3+ & [M+4H]4+ Match Expected Mass |
| Chromatographic Purity (HPLC) | ≥ 99.00% Area Normalization | RP-HPLC (C18 Column, 214nm / 220nm) | 99.35% (Single max impurity <0.50%) |
| Counterion Composition | Acetate (Standard) or Trifluoroacetate (≤0.25%) | Ion-Exchange Chromatography (IC) | Acetate Content: 6.8% - 8.2% w/w |
| Residual Solvents (ICH Q3C) | Acetonitrile ≤ 410 ppm, DMF ≤ 880 ppm, DCM ≤ 600 ppm | Headspace Gas Chromatography (GC-HS) | Below Quantitation Limits (BQL) |
| Bacterial Endotoxins & Bioburden | Endotoxins < 5.0 EU/mg; Total Microbial Count < 100 CFU/g | Kinetic Turbidimetric LAL Assay (USP ⟨85⟩) | Passed (< 1.2 EU/mg) |
| Lyophilized Physical Appearance | Sterile, White to Off-White Fluffy Amorphous Powder | Visual Inspection under 2000 Lux | Consistent Uniform Cake / Powder |
The manufacturing ecosystem anchored in Hebei and national chemical innovation clusters gives our factory unmatched competitive advantages across raw precursor availability, automated synthesis infrastructure, economies of scale, and end-to-end quality assurance.
Our facility directly sources Fmoc- and Boc-protected amino acids, coupling agents (HBTU, HATU, DIC/Oxyma), and specialized resins (CTC, Wang) from local domestic manufacturers. This complete vertical integration prevents raw material choke points and cushions global buyers against price shocks.
Deploying automated, multi-channel solid-phase peptide synthesis (SPPS) reactors with real-time UV monitoring of deprotection cycles ensures consistent coupling efficiency for long 44-amino-acid chains like Cas 863288-34-0, yielding exceptional crude target concentrations.
Purification of long-chain complex peptides demands multi-stage DAC (Dynamic Axial Compression) chromatography systems. We execute initial purification to isolate the main target, followed by fine polishing to remove sequence deletions and diastereomers.
Procuring raw peptides and APIs like Cas 863288-34-0 is not merely a price calculation; it is an exercise in mitigating regulatory liabilities, batch inconsistencies, and documentation deficiencies. International biotech enterprises require comprehensive technical data before warehouse intake.
Commercial buyers cannot rely on generic certificates. Each batch shipped by Hebei Miaoou Technology Co., Ltd. is accompanied by a genuine Certificate of Analysis (COA) cross-verified with individual batch barcodes:
Maintaining biological activity and shelf-life stability requires sterile handling and vacuum seals. We implement strict secondary packaging protocols tailored for international freight:
Fmoc-amino acids checked via HPLC & polarimetry before coupling activation.
Automated solid-phase condensation with real-time ninhydrin monitoring.
High-pressure reverse phase fractionation; counterion exchange to acetate.
Sub-zero vacuum freeze-drying ensuring water content is suppressed below 5.0%.
HPLC, MS, endotoxin, and bioburden validation before release certificate sign-off.
A superior chemical factory must navigate international trade borders flawlessly. Cross-border procurement often fails due to improper HS code classification, missing Safety Data Sheets (SDS), or temperature excursions. Our dedicated export division guarantees end-to-end legal compliance.
Proper legal classification prevents costly border holds. For Cas 863288-34-0 and synthetic research peptides, we prepare accurate trade declarations under HS Code 2937.19.0090 (Polypeptide hormones, protein hormones) or fine biochemical intermediate headings, backed by compliant proforma invoices.
Peptide chains are susceptible to thermo-degradation. We deploy qualified cold-chain packaging featuring insulated VIP (Vacuum Insulated Panel) thermal boxes, phase-change gel packs, or dry-ice packaging with continuous USB/NFC temperature logging sensors monitoring real-time transit status.
Every commercial delivery comes complete with a fully harmonized, 16-section OSHA GHS Safety Data Sheet (SDS), certified Non-Hazardous chemical declaration for air freight (DGR evaluation), and REACH pre-registration documentation for our European Union institutional clientele.
CAS 863288-34-0 serves as a pivotal chemical tool across numerous therapeutic development programs and academic investigations worldwide. High purity (≥99%) is paramount to eliminate non-specific off-target receptor interaction.
Employed in cell-based in-vitro assays to map growth hormone secretagogue receptor (GHS-R) kinetics and pituitary somatotroph signaling cascades. The N-terminal hexenoyl modification offers enhanced enzymatic resistance against dipeptidyl peptidase-4 (DPP-4) cleavage compared to native GHRH(1-44).
Widely utilized in pre-clinical metabolic models investigating visceral adipose tissue (VAT) mobilization, hepatic steatosis, and lipid biomarker modulation. Researchers rely on our lot consistency to observe precise endocrine stimulation without baseline variability.
Academic institutes and contract labs utilize our research-grade powder to formulate next-generation delivery vehicles, including PEGylated sustained-release microspheres, dissolving microneedle arrays, and nanoparticle hydrogels evaluating transdermal transport dynamics.
The global peptide active pharmaceutical ingredient (API) market is undergoing unprecedented transformation. As regulatory agencies increase scrutiny on process-related impurities, suppliers who innovate in clean synthesis and green chemistry command competitive advantages.
Traditional SPPS depends heavily on hazardous solvents like DMF and NMP. Modern Chinese chemical leaders are transitioning to greener solvents such as 2-MeTHF, Cyrene, and water-based coupling mediums, coupled with closed-loop solvent recycling to dramatically curb environmental emissions.
Moving from traditional batch reactors to continuous flow peptide synthesis allows millisecond temperature and mixing control. This eliminates optical racemization (D-enantiomer impurities) during the condensation of sterically hindered amino acid residues in long chains like Cas 863288-34-0.
Surging global demand for metabolic and signaling peptides has resulted in unregulated gray-market vendors distributing degraded, underdosed, or counterfeit materials. Institutional buyers now systematically mandate HPLC trace overlay reports, NMR, and triple-quadrupole mass confirmation.
Clear, unvarnished technical answers addressing common questions asked by supply chain managers, QA auditors, and lab procurement specialists.
CAS 863288-34-0 represents the complete 44-amino-acid polypeptide stabilized with an N-terminal (3E)-hexenoyl group (Tesamorelin structure). This hydrophobic hexenoyl modification protects the chain from swift DPP-4 enzymatic degradation in research models, providing a significantly longer half-life compared to the truncated 29-amino-acid Sermorelin (CAS 86168-78-7).
Our standard commercial research batches are converted to the physiologically preferred Acetate salt via ion exchange resin following preparative HPLC. However, if your protocol specifically requires Trifluoroacetate (TFA) for analytical consistency or Hydrochloride (HCl) salts, custom salt conversions can be formulated upon initial PO confirmation.
Yes. Every single shipment includes a batch-matched Certificate of Analysis (COA) containing the actual high-resolution analytical HPLC chromatogram, UV integration report at 214nm/220nm, and deconvoluted ESI-MS or MALDI-TOF spectra. We also preserve archival retention samples for each manufactured lot for 24 months to support re-testing audits.
For institutional screening and trial evaluations, our standard research packaging starts at 10-vial box sets (e.g., 2mg/vial, 5mg/vial, or 10mg/vial). For contract pharmaceutical manufacturers, API formulators, and bulk purchasers, we provide bulk sterile lyophilized powder packed in sealed bottles or multi-layer aluminum containers from 100g, 500g, up to multi-kilogram drums.
While high-purity lyophilized peptide powder remains stable at ambient temperatures for short durations (up to 7-10 days), international orders are dispatched via prioritized express cold-chain channels (DHL/FedEx/Specialized Chemical Freight) using insulated VIP cooling boxes with certified frozen gel packs. Material should be stored at -20°C upon receipt for long-term multi-year stability.
No. Products and reference materials listed on this website, including Cas 863288-34-0, are supplied strictly for laboratory in-vitro research, academic biochemical modeling, and further pharmaceutical manufacturing synthesis by qualified industrial entities. They are not finished pharmaceuticals and must not be used as food, cosmetics, or household drugs.
Complementary biochemical standards, signaling compounds, and high-demand metabolic reference materials manufactured under rigorous factory quality control standards.
Connect directly with our senior synthesis chemists and export compliance directors. Whether ordering analytical reference vials or reserving multi-kilogram pilot synthesis runs, our technical team provides formal proforma pricing, chromatography traces, and customs clearance plans within 24 hours.
