Chorionic Gonadotropin, Human, α-Subunit (α-hCG)

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Physical Form:
Lyophilized powder
≤2% β-hCG by immunoassay
For research use or further manufacture only.

Intended Use: Research use or further manufacture only. Not intended for pharmaceutical or therapeutic use.


This preparation of α-hCG is isolated from highly purified, intact hCG and is provided as a powder, lyophilized from ammonium bicarbonate. Purity is >98% by SDS-PAGE. Protein content is determined by A280 prior to lyophilization.


Reconstitution: Conditions of reconstitution may vary based on your system, but we recommend using the following buffer: 100 mM Tris, 1 mg/ml BSA, 0.05% Sodium Azide (optional), pH 8.0. A detailed description of our recommended reconstitution protocol is offered here.

NOTE: To assure product integrity, we recommend using a recently calibrated pH meter to assure accurate pH determination.


As a PRIMARY MANUFACTURER, Scripps is able to offer research-scale quantities of high quality antigens and antibodies, as presented on this website, yet also large, manufacturing-scale quantities. Materials are produced, packaged, and shipped from our facility in San Diego, California.
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