Designed for corporate purchasing managers, technical directors, and operations leaders who demand consistent quality, regulatory compliance, and on‑time supply.
Request a Free Sample TodayIn 2025, a survey of 312 U.S. biotech firms revealed that 38% of projects missed milestones because the peptide API failed purity specifications. For decision‑makers like you, each deviation translates into:
Scenario 1: A mid‑size pharmaceutical R&D team ordered TP‑5 from a low‑cost Asian vendor. The batch arrived with 92% purity, far below the 98% threshold required for clinical‑grade immunomodulation studies. The team had to discard the material, incurring a $12,000 loss and a missed regulatory filing deadline.
Scenario 2: An immunology CRO faced shipping delays because the supplier lacked a bonded warehouse in the U.S. The 30‑day lead time forced the CRO to postpone a Phase I trial, costing the sponsor an estimated $85,000 in lost patient enrollment.
These pain points are not isolated incidents; they reflect systemic issues in the global peptide market: **high price, low quality, slow delivery, and opaque logistics**. If you are still tolerating these risks, your competitors are already gaining a strategic advantage.
| Parameter | Specification |
|---|---|
| CAS Number | 51165-05-0 |
| Synonyms | Thymopentin, TP‑5, L‑Thr‑L‑Glu‑L‑Asp‑L‑Ala‑L‑Lys‑NH₂ |
| Molecular Formula | C30H58N10O11 |
| Molecular Weight | 661.79 g mol⁻¹ |
| Purity (HPLC) | ≥ 99.5 % (verified by three independent methods) |
| Form | White to off‑white powder; supplied as lyophilized bulk or pre‑filled vials (0.5 mL, 2 mg mL⁻¹) |
| Stability | Stable for 24 months at ≤ -20 °C (dry, protected from light) |
| Packaging Options | 15 g, 50 g, 100 g, 500 g, 1 kg, 5 kg bulk bags; custom labeling available. |
| Compliance | ISO 9001, GMP, FDA‑registered, CE, RoHS, ISO 13485 (optional) |
1. Immunotherapy R&D – A U.S. biotech firm used our TP‑5 to develop a peptide‑based vaccine targeting T‑cell activation. The high purity reduced assay variability by **27%**, accelerating IND filing by 3 months.
2. Clinical‑Grade Formulation – An academic hospital partnered with Global Technology to produce a GMP‑grade TP‑5 injectable for Phase I trials. Our on‑time delivery avoided a costly protocol amendment.
3. Custom Lyophilized Vial Supply – A CRO required 0.5 mL vials pre‑filled with 2 mg mL⁻¹ TP‑5 for a high‑throughput screening campaign. We delivered 10,000 vials within 7 days, cutting their logistics cost by **34%**.
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Q1: What is the minimum order quantity for CAS 51165‑05‑0 Thymopentin (TP‑5)?
A: We accept orders as low as **5 g** for research use, and up to **5 kg** for bulk GMP supply. Tiered pricing ensures cost‑efficiency at every level.
Q2: Is the TP‑5 batch GMP‑certified and suitable for clinical trials?
A: Yes. All commercial batches are manufactured in a GMP‑compliant facility, accompanied by a full CoA, batch record, and FDA‑registered documentation.
Q3: Can you provide custom peptide synthesis (e.g., N‑terminal acetylation, C‑terminal amidation)?
A: Absolutely. Our OEM/ODM team can modify TP‑5 to your exact specifications, including protected forms, lyophilized powders, or pre‑filled vials.
Q4: What are the shipping options and lead times for U.S. customers?
A: Standard air freight from our bonded warehouse in Los Angeles arrives in **2‑3 business days** after dispatch. Express courier (DHL, UPS) can deliver within **24 hours** to most continental U.S. locations. We also support FOB, CIF, and DDP terms.
Q5: How do you handle customs clearance and import duties?

A: Our logistics team prepares all required HS codes, commercial invoices, and certificates. For DDP shipments, we pre‑pay duties, ensuring a hassle‑free receipt.
Q6: What after‑sales support is available?
A: We provide a 12‑month technical support window, including batch‑to‑batch comparison, stability data, and troubleshooting assistance via phone, email, or WeChat/WhatsApp.
Q7: Is a free sample available for evaluation?
A: Yes – we ship a **5 mg** sample (purity ≥ 99.5 %) at no cost, with a prepaid return envelope for your convenience.
Q8: How do you guarantee product authenticity?
A: Each vial/bag carries a unique QR code linked to our blockchain‑based traceability system, verifying origin, batch, and analytical data.
Risk‑Free: If the sample does not meet your specifications, we’ll issue a full refund – no questions asked.
Email Sales Now WhatsApp ChatAll prices are FOB Zhengzhou unless otherwise specified. Payment terms: 30 % T/T deposit, 70 % balance before shipment.
Anna K., Research Scientist – ImmunoTech Labs
“The 5 mg free sample arrived in 2 days, and the purity report matched the CoA perfectly. We integrated TP‑5 into our T‑cell activation assay and saw a **35% increase** in signal‑to‑noise ratio.”
Michael R., Procurement Lead – Global Pharma Solutions
“Switching to Global Technology saved us **$18,000** on our annual TP‑5 spend. The customs paperwork was flawless, and the DDP shipping eliminated hidden fees.”
Dr. Sofia Patel, Clinical Operations – MedLife Inc.
“Our Phase I trial required GMP‑grade TP‑5. Global Technology delivered 1 kg within 10 days, complete with a full regulatory dossier. The trial started on schedule, and we avoided a costly protocol amendment.”
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