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Human Chorionic Gonadotropin - Research Grade
Human Chorionic Gonadotropin
$87.99
Human Chorionic Gonadotropin
Catalog ID: AS-HCG-5000IU | Type: Analytical Standard | Purity: ≥98% (BCA/HPLC)
Product Specifications ▶
| Chemical Name: | Human Chorionic Gonadotropin (hCG) |
| Biological Source: | Recombinant protein |
| Molecular Weight: | α-subunit: ~14.5 kDa; β-subunit: ~22.2 kDa |
| Form: | Sterile lyophilized powder |
| Activity: | 5,000 IU per vial |
| Purity: | ≥98% by SDS-PAGE and HPLC |
| Solubility: | Soluble in sterile water or phosphate buffered saline (PBS) |
| Endotoxin Level: | <1.0 EU per μg protein |
Research Applications ▶
- Hormone receptor binding studies and affinity assays
- Cell culture supplementation for in vitro research
- Immunoassay development and calibration
- Glycoprotein hormone structure-function analysis
- Reference standard for analytical method validation
- Comparative endocrinology research
Storage and Handling ▶
- Storage (Lyophilized): Store at -20°C in original sealed vial. Protect from light and moisture.
- Storage (Reconstituted): Store at 2-8°C for up to 7 days. For extended storage, prepare aliquots and store at -20°C or -80°C. Avoid repeated freeze-thaw cycles.
- Reconstitution: Reconstitute with sterile water, bacteriostatic water, or sterile PBS. Use aseptic technique. Allow to dissolve completely before use.
- Stability: Lyophilized product stable for 36 months when stored at -20°C as directed.
- Handling: Wear appropriate personal protective equipment. Handle according to institutional biosafety protocols for biological materials.
Quality Assurance ▶
- Certificate of Analysis (CoA) provided with each lot
- SDS-PAGE gel confirming protein purity and molecular weight
- HPLC analysis for compositional verification
- Biological activity assay (IU determination)
- Endotoxin testing via LAL assay
- Sterility testing performed on final product
- Manufactured under GMP-compliant conditions
Technical Notes ▶
Protein Structure: hCG is a heterodimeric glycoprotein hormone consisting of an α-subunit (shared with FSH, LH, and TSH) and a unique β-subunit.
Reconstitution Recommendations: For optimal stability, reconstitute at a concentration of 100-500 IU/mL. Higher concentrations may require the addition of carrier protein (e.g., 0.1% BSA) to prevent surface adsorption.
Activity Measurement: Biological activity is determined by in vitro bioassay and calibrated against WHO International Standard.
Regulatory Information ▶
Classification: Analytical Standard / Research Use Only (RUO) biological material.
Intended Use: This product is supplied exclusively for laboratory research, analytical testing, and in vitro applications. Not approved for human or animal therapeutic use.
Regulatory Status: This material is not intended for diagnostic, drug, household, agricultural, cosmetic, or veterinary applications. Purchaser assumes full responsibility for compliance with all applicable federal, state, and local regulations governing the use and handling of biological research materials.
Biosafety: Handle as Biosafety Level 1 material. Follow standard laboratory safety practices.
⚠️ RESEARCH USE ONLY – ANALYTICAL STANDARD
This product is intended solely for research, analytical, and laboratory applications. Not for human consumption, administration, diagnostic procedures, or therapeutic use. Not for household, agricultural, cosmetic, food, drug, or veterinary applications. Purchaser is responsible for ensuring compliance with all applicable regulations. By purchasing this product, you certify that you are qualified to handle biological research materials and will follow appropriate biosafety and laboratory safety protocols.
