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

MedKoo CAT#: 571201

CAS#: 100784-20-1

Description: Halosulfuron-methyl is a common herbicide.

Price and Availability


USD 250

USD 450

USD 850

Halosulfuron-methyl, purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 571201
Name: Halosulfuron-methyl
CAS#: 100784-20-1
Chemical Formula: C13H15ClN6O7S
Exact Mass: 434.0411
Molecular Weight: 434.81
Elemental Analysis: C, 35.91; H, 3.48; Cl, 8.15; N, 19.33; O, 25.76; S, 7.37

Synonym: Halosulfuron-methyl; A 841101; A-841101; A841101; Manage; Sempra; Inpool; Battalion

IUPAC/Chemical Name: 1H-Pyrazole-4-carboxylic acid, 3-chloro-5-(((((4,6-dimethoxy-2-pyrimidinyl)amino)carbonyl)amino)sulfonyl)-1-methyl-, methyl ester


InChi Code: InChI=1S/C13H15ClN6O7S/c1-20-10(8(9(14)18-20)11(21)27-4)28(23,24)19-13(22)17-12-15-6(25-2)5-7(16-12)26-3/h5H,1-4H3,(H2,15,16,17,19,22)

SMILES Code: O=C(C1=C(S(=O)(NC(NC2=NC(OC)=CC(OC)=N2)=O)=O)N(C)N=C1Cl)OC

Technical Data

Solid powder

>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).

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).

Harmonized System Code:


1: Feng M, Li W, Hao X, Han L. Determination of halosulfuron-methyl residues and dissipation in wheat by QuEChERS and LC-MS/MS. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2014;31(11):1879-85. doi: 10.1080/19440049.2014.961176. Epub 2014 Sep 23. PubMed PMID: 25181482.

2: Tehranchian P, Norsworthy JK, Nandula V, McElroy S, Chen S, Scott RC. First report of resistance to acetolactate-synthase-inhibiting herbicides in yellow nutsedge (Cyperus esculentus): confirmation and characterization. Pest Manag Sci. 2015 Sep;71(9):1274-80. doi: 10.1002/ps.3922. Epub 2014 Nov 10. PubMed PMID: 25307777.

3: Deng W, Cao Y, Yang Q, Liu MJ, Mei Y, Zheng MQ. Different cross-resistance patterns to AHAS herbicides of two tribenuron-methyl resistant flixweed (Descurainiasophia L.) biotypes in China. Pestic Biochem Physiol. 2014 Jun; 112:26-32. doi: 10.1016/j.pestbp.2014.05.003. Epub 2014 Jun 2. PubMed PMID: 24974114.

4: Daniel D, dos Santos VB, Vidal DT, do Lago CL. Determination of halosulfuron-methyl herbicide in sugarcane juice and tomato by capillary electrophoresis tandem mass spectrometry. Food Chem. 2015 May 15;175:82-4. doi: 10.1016/j.foodchem.2014.11.137. Epub 2014 Nov 28. PubMed PMID: 25577054.

5: Zheng W, Yates SR, Papiernik SK. Transformation kinetics and mechanism of the sulfonylurea herbicides pyrazosulfuron ethyl and halosulfuron methyl in aqueous solutions. J Agric Food Chem. 2008 Aug 27;56(16):7367-72. doi: 10.1021/jf800899e. Epub 2008 Jul 24. PubMed PMID: 18651743.

6: Sarigül T, Inam R, Aboul-Enein HY. Electro-oxidation of herbicide halosulfuron methyl on glassy carbon electrode and applications. Talanta. 2010 Oct 15; 82(5):1814-9. doi: 10.1016/j.talanta.2010.07.085. Epub 2010 Aug 7. PubMed PMID: 20875582.

7: Merotto A Jr, Jasieniuk M, Osuna MD, Vidotto F, Ferrero A, Fischer AJ. Cross resistance to herbicides of five ALS-inhibiting groups and sequencing of the ALS gene in Cyperus difformis L. J Agric Food Chem. 2009 Feb 25;57(4):1389-98. doi: 10.1021/jf802758c. PubMed PMID: 19191488.

8: Zhang H, Zhao L. Influence of sublethal doses of acetamiprid and halosulfuron-methyl on metabolites of zebra fish (Brachydanio rerio). Aquat Toxicol. 2017 Aug 4;191:85-94. doi: 10.1016/j.aquatox.2017.08.002. [Epub ahead of print] PubMed PMID: 28806601.