Lab-verified by BioRegen
29 May 202699.70% purity · Identity, purity & endotoxin tested · Lot GON10A
Gonadorelin
For research and laboratory use only. Not for human or animal consumption.
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Lab Tested
Guarantee
Storage & handling: Store at 2–8 °C (≤ –20 °C long-term), away from light. Room-temperature exposure in transit is acceptable.
How we test
Certificates are issued by BioRegen, an independent lab. Identity and purity are measured by LC-MS; endotoxin, where listed, by a LAL screen. The latest report for this product: Identity, purity & endotoxin tested, lot GON10A, tested 29 May 2026.
How to read your COA
Start with the lot number on the report. Identity confirms by mass spectrometry that the molecule is the one on the label. Purity is the share of the sample that is the target peptide, measured by LC-MS. Endotoxin, where tested, is screened by LAL and must sit below 0.5 EU/mL. The lab name and test date show who ran it and when.
Shipping
Regular tracked: $15 per order, 5 to 10 days. Express tracked: $25 per order, 3 to 5 days. Orders are dispatched within 1 to 3 business days. Regular shipping is free on orders over $200 and express on orders over $400, after discounts.
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Gonadorelin 5mg from Novera provides research teams with a COA-verified, USA GMP-sourced endogenous-sequence GnRH decapeptide for preclinical HPG axis pharmacology, GnRH receptor binding kinetics characterization, downstream pituitary gonadotropin signaling pathway marker studies, and comparative GnRH receptor agonist vs. downstream HPG axis modulator molecular endpoint investigations. Each vial delivers consistently characterized decapeptide material to approximately 99% purity with full batch documentation. Global secure shipping is available for laboratory orders. Every order includes COA documentation, handling instructions, and access to technical support for multi-arm GnRH receptor signaling experimental protocol design.
Product overview
Gonadorelin 5mg is suited for research teams and reproductive neuroendocrinology laboratories investigating GnRH receptor binding kinetics, hypothalamic-pituitary signaling cascade dynamics, and downstream gonadotropin secretion pathway marker characterization in controlled preclinical models. Scientists examining pulsatile GnRH receptor activation patterns, LH and FSH secretion cascade marker expression, and receptor occupancy response dynamics under defined administration interval conditions will find Gonadorelin relevant to mechanistic HPG axis pharmacology study designs.
Research programs requiring a structurally defined endogenous-sequence GnRH decapeptide reference compound for comparative receptor pharmacology investigations alongside downstream HPG axis intervention compounds such as HCG or Kisspeptin benefit from Gonadorelin’s distinct upstream pituitary-level activation profile. Laboratories studying GnRH receptor desensitization kinetics under continuous vs. pulsatile exposure conditions, downstream LH and FSH pulsatility marker dynamics, and hypothalamic-pituitary signaling axis responsiveness in preclinical reproductive endocrinology models will find Gonadorelin well-suited to multi-arm HPG axis mechanistic study designs. Novera supplies Gonadorelin 5mg sourced from USA GMP-certified manufacturing facilities, with each vial COA-verified for purity and sequence identity to approximately 99%.
Research focus
GnRH Receptor Binding Kinetics and Pituitary Gonadotroph Cell Signaling Studies
Gonadorelin supports in vitro investigation of GnRH receptor occupancy dynamics, receptor binding affinity parameters, and downstream Gs-protein-coupled cAMP signaling cascade activation in anterior pituitary gonadotroph cell experimental models. Researchers characterizing GnRH receptor occupancy kinetics, downstream PKA pathway marker activity, and LH and FSH secretion cascade dynamics following defined pulsatile or continuous receptor engagement protocols use Gonadorelin as a primary reference compound for mechanistic GnRH receptor pharmacology study designs.
Downstream LH and FSH Secretion Cascade Marker Characterization
Laboratories studying GnRH receptor-mediated pituitary signal transduction use Gonadorelin to quantify downstream molecular marker activity across LH secretion pathway endpoints, FSH secretion cascade dynamics, and gonadotropin pulsatility marker characterization in controlled preclinical HPG axis model systems. Multi-arm protocols comparing pulsatile and continuous Gonadorelin administration downstream gonadotropin secretion endpoint profiles support mechanistic characterization of receptor activation pattern-dependent signaling divergence across shared downstream pituitary pathway markers.
GnRH Receptor Desensitization and Resensitization Kinetics Research
Gonadorelin enables systematic preclinical investigation of GnRH receptor desensitization onset kinetics under continuous receptor engagement conditions, receptor internalization dynamics, and resensitization timeline characterization following defined withdrawal intervals. Research quantifying the temporal relationship between continuous GnRH receptor activation, downstream gonadotropin suppression cascade dynamics, and receptor sensitivity recovery patterns contributes to mechanistic understanding of GnRH receptor plasticity and pituitary gonadotroph cell responsiveness under varying receptor activation regimens in preclinical models.
Comparative GnRH Receptor Agonist vs. Downstream HPG Axis Modulator Molecular Endpoint Studies
Gonadorelin’s upstream pituitary-level GnRH receptor activation profile enables multi-arm comparative study designs examining how hypothalamic-pituitary axis intervention produces different downstream signaling pathway marker patterns relative to direct gonadal-level modulators such as HCG or upstream hypothalamic regulators such as Kisspeptin. Research systematically dissecting receptor pathway-level contributions to downstream HPG axis molecular marker dynamics across GnRH receptor, LH receptor, and KISS1 receptor intervention arms contributes to mechanistic characterization of HPG axis signaling hierarchy and pathway-level intervention biology.
Methodological notes
Preparation Guidelines
Reconstitute lyophilized Gonadorelin 5mg with sterile bacteriostatic water using standard sterile laboratory technique. Reconstitution volume should be determined based on the target experimental working concentration specified by the study design. Research protocols examining pulsatile vs. continuous receptor activation dynamics require precisely defined administration interval schedules; document each reconstitution step and administration timing in accordance with institutional research record-keeping standards. Use calibrated laboratory equipment throughout all preparation steps.
Storage Conditions
Store lyophilized decapeptide at 2–8°C, protected from light and moisture, prior to reconstitution. Following reconstitution, maintain refrigeration at 2–8°C; reconstituted peptide remains stable for approximately 2–4 weeks under appropriate storage conditions. This product does not require cold-chain shipping, but immediate refrigeration upon receipt is recommended to preserve GnRH decapeptide sequence integrity throughout the protocol period. Each vial supplied by Novera includes COA documentation and handling guidance.
Protocol Duration Guidelines
Preclinical HPG axis signaling pathway studies using Gonadorelin span a range of observation periods depending on experimental objectives — from acute GnRH receptor binding kinetics and short-term pulsatile activation studies through extended multi-week receptor desensitization characterization and downstream gonadotropin suppression pathway marker progression protocols. Initial measurable downstream LH and FSH secretion cascade marker responses in preclinical models may be observed within hours of pulsatile administration. Monitor GnRH receptor pathway activity markers, downstream LH and FSH secretion dynamics, gonadotropin pulsatility endpoint expression, and receptor sensitivity indicators at defined experimental intervals throughout the observation period, in accordance with institutional laboratory standards.
Quality & sourcing
USA GMP-Certified Supply via Novera
Novera supplies Gonadorelin 5mg sourced from USA GMP-certified manufacturing facilities, independently verified to approximately 99% purity by third-party COA documentation. Each vial confirms decapeptide sequence identity, purity grade, and batch-specific quality control data — providing research laboratories with consistent, pharmaceutical-grade GnRH receptor agonist material for advanced HPG axis pharmacology and hypothalamic-pituitary signaling pathway research.
Chemical properties
- CAS: 33515-09-02
- Chemical Formula: C₅₅H₇₅N₁₇O₁₃
- Molecular Weight: 1182.3 g/mol
- Peptide Sequence: Pyr-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly
- Synonyms: GnRH, LHRH, LH-RH, Gonadotropin-Releasing Hormone, Luteinizing Hormone-Releasing Hormone, Gonadoliberin, Factrel
- Shelf life: 24 months from the manufacturing date.
Key features
Endogenous-Sequence GnRH Decapeptide Receptor Activation Profile
Gonadorelin is a synthetic decapeptide replicating the endogenous gonadotropin-releasing hormone sequence, binding GnRH receptors on anterior pituitary gonadotroph cells to initiate downstream LH and FSH secretion cascade dynamics in preclinical experimental models. Its endogenous-sequence structure enables researchers to investigate native GnRH receptor binding kinetics, pulsatile receptor activation pathway dynamics, and downstream gonadotropin secretion marker expression under physiologically relevant receptor engagement conditions. This activation profile supports mechanistic characterization of GnRH receptor occupancy parameters, Gs-protein-coupled cAMP signaling cascade dynamics, and downstream pituitary gonadotropin release pathway marker activity in controlled preclinical HPG axis model systems.
Pulsatile vs. Continuous GnRH Receptor Activation Research
A mechanistically critical feature of Gonadorelin research applications is the distinction between pulsatile and continuous GnRH receptor activation pathway dynamics in preclinical models. Pulsatile receptor engagement maintains downstream LH and FSH secretion pathway marker activity, while continuous receptor activation initiates receptor desensitization and downstream gonadotropin suppression cascade dynamics. This receptor activation pattern-dependent signaling divergence makes Gonadorelin a particularly valuable reference compound for study designs investigating GnRH receptor sensitivity kinetics, desensitization onset parameters, and downstream gonadotropin secretion marker response differences under defined administration interval conditions.
USA GMP-Certified Supply via Novera
Novera supplies Gonadorelin 5mg sourced from USA GMP-certified manufacturing facilities, independently verified to approximately 99% purity by third-party COA documentation. Each vial confirms decapeptide sequence identity, purity grade, and batch-specific quality control data — providing research laboratories with consistent, pharmaceutical-grade GnRH receptor agonist material for advanced HPG axis pharmacology and hypothalamic-pituitary signaling pathway research.
Express tracked
- Tracked door to door, dispatched within 1–3 business days
- Ambient shipping, safe for lyophilized peptides
Regular tracked
- Free on orders over $200
- Tracked door to door, dispatched within 1–3 business days
How does Gonadorelin's receptor activation mechanism differ from direct gonadal-level LH receptor agonists in research models?
Gonadorelin operates at the hypothalamic-pituitary level, binding GnRH receptors on anterior pituitary gonadotroph cells to initiate downstream LH and FSH secretion cascade dynamics — requiring intact pituitary signaling responsiveness for downstream gonadal pathway engagement. Direct LH receptor agonists such as HCG bypass hypothalamic-pituitary signaling entirely, engaging Leydig cell LH receptors independently of upstream GnRH pathway activity. Researchers select between upstream GnRH receptor modulation and direct gonadal-level LH receptor agonism depending on the specific HPG axis pathway level and downstream molecular marker system under mechanistic investigation.
Why is administration interval design critical in preclinical Gonadorelin GnRH receptor research?
GnRH receptor signaling in preclinical models exhibits a fundamental activation pattern-dependent divergence: pulsatile receptor engagement maintains downstream LH and FSH secretion pathway marker activity, while continuous receptor activation initiates receptor desensitization and downstream gonadotropin suppression cascade dynamics. Experimental protocol administration interval design directly determines which receptor activation pathway dynamics are engaged, making interval parameter definition central to the mechanistic validity of GnRH receptor pharmacology study designs in preclinical HPG axis models.
Can Gonadorelin be incorporated into multi-arm comparative HPG axis intervention study designs?
Multi-arm protocols incorporating Gonadorelin alongside upstream hypothalamic regulators such as Kisspeptin and downstream gonadal-level modulators such as HCG have been employed in preclinical HPG axis research to systematically characterize pathway-level intervention differences across shared downstream gonadotropin and steroidogenic molecular marker systems. Multi-arm design parameters, administration interval scheduling, and endpoint monitoring frequency should be defined by the specific receptor pathway dynamics and molecular markers under investigation, in accordance with institutional laboratory standards.
What are typical research applications for this GnRH analog?
Research applications include GnRH analog structure characterization, decapeptide stability studies, hormone peptide sequence analysis, and comparative investigations with other gonadotropin-releasing hormone analogs. Specific applications depend on research objectives in peptide hormone chemistry. Research teams determine protocols based on their investigation goals in GnRH studies.
How should this decapeptide hormone be stored?
Gonadorelin should be stored at 2-8°C in light-protected conditions following institutional laboratory standards. After reconstitution, the peptide should be stored at 2-8°C and used according to institutional protocols. Researchers should establish appropriate storage validation procedures for their specific experimental applications.
What quality documentation is provided for this peptide?
Each batch includes a comprehensive Certificate of Analysis documenting purity verification, molecular weight confirmation, ten-amino acid sequence verification, and quality control data. All documentation meets research-grade standards for GnRH analogs and supports institutional compliance requirements.
Lab report for lot GON10A
View all lab reports- Lot · 10 mg
- GON10A
- Tested
- May 29, 2026
- Labeled
- 10 mg
- Measured
- 11.01 mg
| Test | Method | Result | Status |
|---|---|---|---|
| Identity | LC-MS | Confirmed Gonadorelin | PASS |
| Purity | LC-MS · spec >99% | 99.70% | PASS |
| Net content | LC-MS quantitation | 11.01 mg of 10 mg | PASS |
| Appearance | Visual | White powder | REPORTED |
| Endotoxin | LAL (Endosafe PTS) | ≤ 0.05 EU/mL limit 0.5 | PASS |
Batch tests: Purity, Endotoxins
2 lab reports available to signed-in researchers.
- CAS: 33515-09-02
- Chemical Formula: C₅₅H₇₅N₁₇O₁₃
- Molecular Weight: 1182.3 g/mol
- Peptide Sequence: Pyr-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly
- Synonyms: GnRH, LHRH, LH-RH, Gonadotropin-Releasing Hormone, Luteinizing Hormone-Releasing Hormone, Gonadoliberin, Factrel
- Shelf life: 24 months from the manufacturing date.
Read the lot first.
Identity confirmed
LC-MS confirms the molecule in the vial is Gonadorelin.
Purity measured
The same LC-MS run measures the share that is the target peptide.
Endotoxin screened
A LAL screen checks bacterial endotoxin against a limit.
Lot-linked report
Each report names the lot it was run on.
Each lab report is tied to its lot.
Reports are issued by BioRegen, an independent lab, and name the lot they were run on.
How we testLab reportIdentity, purity & endotoxin tested, for the lot tested.
Lot numberPrinted on the report, so you can see which lot was tested.
Synthesis and lyophilization
Synthesized and freeze-dried in US facilities, then given a lot number.
Samples go to the independent lab
Finished vials from the lot are sent to BioRegen.
LC-MS: identity, purity, net content
One run confirms the molecule and measures its purity.
LAL endotoxin screen
Bacterial endotoxin is checked against a 0.5 EU/mL limit.
Certificate published
The summary goes on the product page; full PDFs are for signed-in researchers.
Store at 2 to 8 °C. Keep sealed and away from light until use.
Save up to 25%.
Build the researcher’s box: any compounds, any doses, one order, and every vial costs less.
Delivered tracked, every order.

Shipping options
Dispatched in 1 to 3 business days.
Regular tracked$15 per order · 5 to 10 days
Express tracked$25 per order · 3 to 5 days
Free shippingRegular over $200 · express over $400, after discounts
Testing that sets a higher standard.
Certificates come from an independent lab, and every result sits next to its method.
Researchers often ask
Is Gonadorelin for human use?
No. Gonadorelin is sold for laboratory research only. It is not for human or veterinary use, and it is not a drug, food or cosmetic.
How do I find the lab report?
Use View COAs on the product page, or search the COA library by compound name. The summary is public; the signed PDF reports are available to signed-in researchers.
Why is purity measured by LC-MS?
LC-MS separates the sample and identifies each component by its mass, so one run confirms identity and measures purity.
When will my order ship?
Orders are dispatched within 1 to 3 business days. Regular tracked delivery takes 5 to 10 days and express tracked 3 to 5 days. Regular shipping is free on orders over $200 and express on orders over $400, after discounts.
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