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

MedKoo CAT#: 571561

CAS#: 126448-41-7

Description: Acibenzolar-S-methyl is a fungicide that works by activating a plant's own defense system by increasing the transcription of W-box controlled genes such as CAD1, NPR1 and PR2. It is a methyl derivative of acibenzolar.

Chemical Structure

CAS# 126448-41-7

Theoretical Analysis

MedKoo Cat#: 571561
Name: Acibenzolar-S-Methyl
CAS#: 126448-41-7
Chemical Formula: C8H6N2OS2
Exact Mass: 209.9922
Molecular Weight: 210.27
Elemental Analysis: C, 45.70; H, 2.88; N, 13.32; O, 7.61; S, 30.49

Price and Availability

Size Price Availability Quantity
100.0mg USD 290.0 2 Weeks
Bulk inquiry

Synonym: Benzothiadiazole; Bion; Bion (pesticide); BTH; BTH (agrochemical)

IUPAC/Chemical Name: 1,2,3-Benzothiadiazole-7-carbothioic acid, S-methyl ester


InChi Code: InChI=1S/C8H6N2OS2/c1-12-8(11)5-3-2-4-6-7(5)13-10-9-6/h2-4H,1H3


Appearance: 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

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

Certificate of Analysis:

Safety Data Sheet (SDS):

Preparing Stock Solutions

The following data is based on the product molecular weight 210.27 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

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

1: Andrés RM, Montesinos MC, Navalón P, Payá M, Terencio MC. NF-κB and STAT3 inhibition as a therapeutic strategy in psoriasis: in vitro and in vivo effects of BTH. J Invest Dermatol. 2013 Oct;133(10):2362-2371. doi: 10.1038/jid.2013.182. Epub 2013 Apr 17. PubMed PMID: 23594598.

2: Parkunan V, Johnson CS, Eisenback JD. Effects of Ph gene-associated versus induced resistance to tobacco cyst nematode in flue-cured tobacco. J Nematol. 2009 Dec;41(4):261-6. PubMed PMID: 22736824; PubMed Central PMCID: PMC3381464.

3: Parkunan V, Johnson CS, Eisenback JD. Biological and chemical induction of resistance to the Globodera tabacum solanacearum in oriental and flue-cured tobacco (Nicotiana tabacum L.). J Nematol. 2009 Sep;41(3):203-10. PubMed PMID: 22736815; PubMed Central PMCID: PMC3380491.