WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 406400

CAS#: 17374-26-4

Description: TBB is a potent protein kinase CK2 inhibitor, which induces apoptosis and caspase-dependent degradation of haematopoietic lineage cell-specific protein 1 (HS1) in Jurkat cells.

Chemical Structure

CAS# 17374-26-4

Theoretical Analysis

MedKoo Cat#: 406400
Name: TBB
CAS#: 17374-26-4
Chemical Formula: C6HBr4N3
Exact Mass: 430.6904
Molecular Weight: 434.70824
Elemental Analysis: C, 16.58; H, 0.23; Br, 73.52; N, 9.67

Price and Availability

Size Price Availability Quantity
5.0mg USD 180.0 2 Weeks
10.0mg USD 280.0 2 Weeks
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Synonym: TBB, Tetrabromobenzotriazole, NSC 231634, NSC231634, NSC-231634

IUPAC/Chemical Name: 4,5,6,7-tetrabromo-1H-benzo[d][1,2,3]triazole


InChi Code: InChI=1S/C6HBr4N3/c7-1-2(8)4(10)6-5(3(1)9)11-13-12-6/h(H,11,12,13)

SMILES Code: BrC1=C(NN=N2)C2=C(Br)C(Br)=C1Br

Appearance: White solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO, not in water

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 434.70824 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Gyenis L, Kuś A, Bretner M, Litchfield DW. Functional proteomics strategy for validation of protein kinase inhibitors reveals new targets for a TBB-derived inhibitor of protein kinase CK2. J Proteomics. 2013 Apr 9;81:70-9. doi: 10.1016/j.jprot.2012.09.017. Epub 2012 Sep 25. PubMed PMID: 23017496.

2: Orzechowska E, Kozłowska E, Staroń K, Trzcińska-Danielewicz J. Time schedule-dependent effect of the CK2 inhibitor TBB on PC-3 human prostate cancer cell viability. Oncol Rep. 2012 Jan;27(1):281-5. doi: 10.3892/or.2011.1500. Epub 2011 Oct 12. PubMed PMID: 21993828.

3: Isaeva AR, Mitev VI. The protein kinase CK2 inhibitor TBB mediates up-regulation of MEK3/6 and p38δ activities, down-regulation of ERK1/2 activity and induction of G1/S arrest in normal human epidermal autocrine proliferating keratinocytes. J Dermatol Sci. 2011 Aug;63(2):124-6. doi: 10.1016/j.jdermsci.2011.04.005. Epub 2011 Apr 27. PubMed PMID: 21620683.

4: Ruzzene M, Penzo D, Pinna LA. Protein kinase CK2 inhibitor 4,5,6,7-tetrabromobenzotriazole (TBB) induces apoptosis and caspase-dependent degradation of haematopoietic lineage cell-specific protein 1 (HS1) in Jurkat cells. Biochem J. 2002 May 15;364(Pt 1):41-7. PubMed PMID: 11988074; PubMed Central PMCID: PMC1222543.


5.0mg / USD 180.0