MedKoo Cat#: 581299 | Name: Chlorthiamid
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Description:

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

Chlorthiamid is a thiourea-based herbicide that inhibits photosynthesis by disrupting electron transport in photosystem II. It interferes with the plastoquinone-binding site, preventing the transfer of electrons needed for ATP and NADPH production, ultimately leading to plant death. Due to its selective activity, chlorthiamid is used for weed control in agricultural settings.

Chemical Structure

Chlorthiamid
Chlorthiamid
CAS#1918-13-4

Theoretical Analysis

MedKoo Cat#: 581299

Name: Chlorthiamid

CAS#: 1918-13-4

Chemical Formula: C7H5Cl2NS

Exact Mass: 204.9520

Molecular Weight: 206.08

Elemental Analysis: C, 40.80; H, 2.45; Cl, 34.40; N, 6.80; S, 15.56

Price and Availability

Size Price Availability Quantity
100mg USD 400.00 2 Weeks
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Related CAS #
No Data
Synonym
Chlorthiamid; Chlorothiamide; DCBN; Prefix; Chlortiamid;
IUPAC/Chemical Name
2,6-Dichlor-thiobenzamid
InChi Key
KGKGSIUWJCAFPX-UHFFFAOYSA-N
InChi Code
InChI=1S/C7H5Cl2NS/c8-4-2-1-3-5(9)6(4)7(10)11/h1-3H,(H2,10,11)
SMILES Code
NC(C1=C(Cl)C=CC=C1Cl)=S
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
>3 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
2934.99.03.00
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 206.08 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
1: Laatikainen T, Heinonen-Tanski H. Mycorrhizal growth in pure cultures in the presence of pesticides. Microbiol Res. 2002;157(2):127-37. PubMed PMID: 12002401. 2: Bruun L, Koch C, Pedersen B, Jakobsen MH, Aamand J. A quantitative enzyme-linked immunoassay for the detection of 2, 6-dichlorobenzamide (BAM), a degradation product of the herbicide dichlobenil. J Immunol Methods. 2000 Jun 23;240(1-2):133-42. PubMed PMID: 10854608. 3: Eriksson C, Brittebo EB. Effects of the herbicide chlorthiamid on the olfactory mucosa. Toxicol Lett. 1995 Apr;76(3):203-8. PubMed PMID: 7539165. 4: Eriksson C, Brandt I, Brittebo E. Tissue-binding and toxicity of compounds structurally related to the herbicide dichlobenil in the mouse olfactory mucosa. Food Chem Toxicol. 1992 Oct;30(10):871-7. PubMed PMID: 1427510. 5: Brittebo EB, Eriksson C, Feil V, Bakke J, Brandt I. Toxicity of 2,6-dichlorothiobenzamide (chlorthiamid) and 2,6-dichlorobenzamide in the olfactory nasal mucosa of mice. Fundam Appl Toxicol. 1991 Jul;17(1):92-102. PubMed PMID: 1916084. 6: Leach RW, Biddington NL, Verloop A, Nimmo WB. A side effect of chlorthiamid and dichlobenil herbicides. Ann Appl Biol. 1971 Jan;67(1):137-44. PubMed PMID: 5549686. 7: Brown VK, Chambers PL, Ferrigan LW, Stevenson DE, Williams DA. Toxicological studies with the herbicide 2,6-dichloro-thiobenzamide (chlorthiamid, "Prefix"). Arch Toxikol. 1967;23(1):42-51. PubMed PMID: 5588846.