Streptavidin

Also known as: Polystreptavidin, Streptavidin from Streptomyces avidinii, SA, Streptavidin and Conjugates

Streptavidin (CAS 9013-20-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H17BrClNO2S and a molecular weight of 378.71228 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 9013-20-1
Jingsj CID: J-50406-5
Molecular Formula: C₁₄H₁₇BrClNO₂S
Molecular Weight: 378.71228 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Appearance	lyophilized powder
Stability	Packaging Package size based on protein content. Preparation Note Affinity purified.
Additional Property	H2O: 0.1 mg/mL, clear, colorless

Activity & Biological Data

Additional Information	[1]. T Sano, wet al. Genetic engineering of streptavidin, a versatile affinity tag. J Chromatogr B Biomed Sci Appl. 1998 Sep 11;715(1):85-91.

Frequently Asked Questions

What is the CAS number of Streptavidin?

The CAS number of Streptavidin is 9013-20-1.

What are the molecular formula and molecular weight of Streptavidin?

Streptavidin has molecular formula C14H17BrClNO2S and molecular weight 378.71228 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Streptavidin (CAS 9013-20-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50406-5 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.