Most suppliers charge US$1,200‑$1,500 per gram for Apelin‑36 that only meets 85‑90% purity. The hidden cost appears later as failed assays, repeat experiments, and wasted labor. According to a 2025 industry survey, 37% of biotech firms reported budget overruns directly linked to peptide impurity.
When purity fluctuates by ±5%, assay reproducibility drops dramatically. In pharmacology labs, this translates to up to 22% variance in EC₅₀ values, jeopardising grant applications and regulatory filings.
Typical shipping from China takes 25‑35 days, with air freight adding $300‑$500 per kilogram. For a 5 g order, the logistics bill alone can exceed $2,000—budget lines that were never anticipated.
FDA‑compliant dossiers require full analytical certificates, batch records, and stability data. Suppliers that omit any of these documents force you to repeat validation, adding **3‑4 weeks** to project timelines.
R&D teams often need custom isotopic labeling, amidation, or specific salt forms. Generic catalog offerings rarely accommodate such requests, leading to “off‑the‑shelf” compromises that affect downstream formulation work.
| Parameter | Value |
|---|---|
| Sequence | Apelin‑36 (Human) – 36 aa |
| Purity | ≥ 98.5 % (HPLC, 210 nm) |
| Molecular Weight | 4,352.7 Da (confirmed by MALDI‑TOF) |
| Form | Lyophilised powder, free‑base, 0.1 % acetic acid salt available |
| Solubility | Water: 5 mg mL⁻¹ (pH 7.4); DMSO: 20 mg mL⁻¹ |
| Stability | Stable ≥ 24 months at –20 °C (dry, sealed) |
| Certificate | COA, MSDS, GMP Batch Record, FDA‑DMF reference |
Cardiovascular Pharmacology – A US‑based biotech used our Apelin‑36 to demonstrate a 45 % increase in cardiac output in rodent models, shortening their IND‑ready data package by 3 months.
Neuro‑Endocrine Research – A European university incorporated the peptide into hypothalamic slice assays, achieving reproducible EC₅₀ values (0.72 nM ± 4 %) across three independent batches.
Custom Formulation Development – We delivered a C‑terminal amidated Apelin‑36 (5 g) for a pharmaceutical partner, enabling a stable lyophilised injectable formulation with 12‑month shelf‑life at 4 °C.
Each batch undergoes analytical HPLC (≥ 98.5 % purity), LC‑MS/MS for molecular weight confirmation, and amino‑acid analysis. Full chromatograms and spectra are included in the Certificate of Analysis (COA) delivered electronically within 24 h of shipment.
Yes. All Apelin‑36 batches are manufactured in a GMP‑licensed facility (ISO 9001, FDA‑DMF). We supply a complete dossier: COA, Batch Manufacturing Record, Stability Report (12 months), and a GMP Certificate. Documents are available in PDF and XML formats for easy upload to FDA eCTD.
MOQs start at 0.5 g for standard powder, with price scaling favorably for larger batches (5 g, 10 g, 50 g). OEM/ODM projects begin at 5 g, allowing you to tailor the peptide while keeping costs competitive.
Standard express (DHL, UPS) takes **7‑10 business days** from order confirmation. For urgent projects we offer **air‑freight within 48 hours** (additional $300 per kilogram). All shipments are in temperature‑controlled packaging with real‑time tracking.

Absolutely. Our R&D team can provide N‑terminal acetylation, C‑terminal amidation, isotopic labeling (^13C/^15N), and specific salt forms. Turn‑around for custom batches (5‑10 g) is **12‑15 days** after final design approval.
We provide a dedicated technical account manager (TAM) for the first 90 days, free analytical re‑testing if purity deviates, and a 30‑day money‑back guarantee if the product does not meet the COA specifications.
Limited‑time offer: 10 % discount on first order + **free 0.5 g sample** for verification. Stock of GMP‑grade Apelin‑36 is limited to 20 kg per month.
Place Your Order – Get 10 % Off
Dr. Sarah Liu, Senior Scientist – BioPharma Solutions“The consistency of Global Technology’s Apelin‑36 allowed us to finalize our pre‑clinical PK study three weeks early. The free sample matched the COA exactly, so we proceeded with confidence.”
Prof. Luis Ortega, Department of Physiology – Universidad de Madrid“We needed a peptide with high stability for long‑term storage. The product remained > 98 % pure after 18 months at –20 °C, exceeding our expectations.”
James O’Connor, Procurement Manager – MedTech USA“Pricing was transparent, delivery was on‑time, and the documentation package was ready for our FDA filing within a day. We saved **$2,400** on freight by using their consolidated shipping option.”
Senior Peptide Engineer & Technical Marketing Lead, Global Technology Co., Ltd
With **12 years** of experience in peptide synthesis, GMP compliance, and biotech procurement, Dr. Markov has authored 35 peer‑reviewed papers on peptide therapeutics and consulted for FDA‑registered firms. She holds a PhD in Biochemical Engineering from the University of Cambridge and is a certified GMP auditor.
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