Chlorotoxin

Also known as: CLTX, TM-601, Chlorotoxin TFA

Chlorotoxin (CAS 163515-35-3) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C158H249N53O47S11 and a molecular weight of 3995.70000 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 163515-35-3
Jingsj CID: J-1975747-0
Molecular Formula: C₁₅₈H₂₄₉N₅₃O₄₇S₁₁
Molecular Weight: 3995.70000 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	3992.50000
PSA	2001.75000
Storage Conditions	-20°C

Activity & Biological Data

Target	Target: Chloride Channel[1]
Additional Information	[1]. DeBin JA, et al. Purification and characterization of chlorotoxin, a chloride channel ligand from the venom of the scorpion. Am J Physiol. 1993 Feb;264(2 Pt 1):C361-9. [2]. Ojeda PG, et al. Chlorotoxin: Structure, activity, and potential uses in cancer therapy. Biopolymers. 2016 Jan;106(1):25-36. [3]. Soroceanu L, et al. Use of chlorotoxin for targeting of primary brain tumors. Cancer Res. 1998 Nov 1;58(21):4871-9. [4]. Dardevet L, et al. Chlorotoxin: a helpful natural scorpion peptide to diagnose glioma and fight tumor invasion. Toxins (Basel). 2015 Mar 27;7(4):1079-101.

Target

Target: Chloride Channel[1]

Additional Information

[1]. DeBin JA, et al. Purification and characterization of chlorotoxin, a chloride channel ligand from the venom of the scorpion. Am J Physiol. 1993 Feb;264(2 Pt 1):C361-9. [2]. Ojeda PG, et al. Chlorotoxin: Structure, activity, and potential uses in cancer therapy. Biopolymers. 2016 Jan;106(1):25-36. [3]. Soroceanu L, et al. Use of chlorotoxin for targeting of primary brain tumors. Cancer Res. 1998 Nov 1;58(21):4871-9. [4]. Dardevet L, et al. Chlorotoxin: a helpful natural scorpion peptide to diagnose glioma and fight tumor invasion. Toxins (Basel). 2015 Mar 27;7(4):1079-101.

Frequently Asked Questions

What is the CAS number of Chlorotoxin?

The CAS number of Chlorotoxin is 163515-35-3.

What are the molecular formula and molecular weight of Chlorotoxin?

Chlorotoxin has molecular formula C158H249N53O47S11 and molecular weight 3995.70000 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. "Chlorotoxin (CAS 163515-35-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1975747-0 (accessed 2026-11-07).

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