Formal Name
Human Chorionic Gonadotropin
Common Synonym
hCG
Chorionic Gonadotropin
Choriogonadotropin
CAS Number
9002-61-3
Peptide Sequence
Heterodimeric glycoprotein consisting of an alpha subunit and a beta subunit. The mature alpha chain contains 92 amino acids, and the mature beta chain contains 145 amino acids.
Molecular Formula
Not assigned; hCG is a variably glycosylated, two-subunit protein.
Formula Weight
Approximately 37.9 kDa; actual molecular weight varies with glycosylation.
Purity
Research Grade; lot-specific purity and activity should be confirmed by the applicable Certificate of Analysis.
Formulation
Typically supplied as a white to off-white lyophilized powder. Excipients may vary by formulation.
Solubility
Soluble in water. Solubility and reconstitution conditions are formulation-specific.
Storage
Store the lyophilized material according to the product label and Certificate of Analysis. Protect from excessive heat, light, and moisture. Storage requirements after reconstitution depend on the specific formulation.
Stability
Refer to the product expiration date, Certificate of Analysis, and applicable laboratory storage protocol.
Research Designation
For research only. Not for human or veterinary diagnostic or therapeutic use.




