Molekula
Chlorsulfuron
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch
Chlorsulfuron is a selective sulfonylurea herbicide used to control broadleaf weeds and some grasses in cereal crops, particularly wheat, barley, and rye. It inhibits acetolactate synthase (ALS), disrupting amino acid synthesis in plants. This chemical is available under CAS 64902-72-3, with a molecular formula of C12H12ClN5O4S and a molecular weight of 357.77. It requires ambient storage conditions and carries a signal word of *Warning* for safety classification. Molekula supplies Chlorsulfuron from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.
Overview
- SKU
- 56671344
- CAS Number
- 64902-72-3
- IUPAC Name
- 1-(2-chlorophenyl)sulfonyl-3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)urea
- EC Number
- 265-268-5
- Molecular Formula
- C12H12ClN5O4S
- Molecular Weight
- 357.77
- Exact Mass
- 357.0299
- SMILES
- CC1=NC(=NC(=N1)OC)NC(=O)NS(=O)(=O)C2=CC=CC=C2Cl
- InChIKey
- VJYIFXVZLXQVHO-UHFFFAOYSA-N
- InChI
- InChI=1S/C12H12ClN5O4S/c1-7-14-10(17-12(15-7)22-2)16-11(19)18-23(20,21)9-6-4-3-5-8(9)13/h3-6H,1-2H3,(H2,14,15,16,17,18,19)
- PubChem CID
- 47491
Synonyms
- 1-((o-Chlorophenyl)sulfonyl)-3-(4-methoxy-6-methyl-s-triazin-2-yl)urea
- 1-(2-chlorophenyl)sulfonyl-3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)urea
- 2-Chlorsulfuron
- Chlorsulfon
- DPX 4189
- Glean
- Glean 20DF
- Glean C
- Telar
- Trilixon
Literature values
Published physical properties of the substance, not batch specifications.
- Appearance
- White crystalline solid
- Odour
- Odorless
- Melting Point
- 176 °C
- Water Solubility
- 125 mg/L at 25 °C
- Solubility (other solvents)
- Moderately soluble in methylene chloride; less soluble in acetone, acetonitril. Low solubility in hydrocarbon solvents
- Vapour Pressure
- 2.25 × 10⁻¹¹ mmHg at 25 °C
- pKa
- pKa = 3.4
- log P (octanol/water)
- 0.74
Source: PubChem CID 47491 (HSDB)
See the other grade of CAS 64902-72-3 →
Frequently asked questions
What is chlorsulfuron commonly used for?
Chlorsulfuron is primarily used as a selective herbicide to control broadleaf weeds and some grassy weeds in wheat, barley, and other small grains.
What is the chemical formula and molecular weight of chlorsulfuron?
The chemical formula is **C₁₂H₁₂ClN₅O₄S**, and the molecular weight is **357.77 g/mol**.
How should chlorsulfuron be stored?
Store chlorsulfuron at **ambient temperature** in a cool, dry place, away from incompatible substances.
What purity grades of chlorsulfuron does Molekula supply?
Molekula supplies **technical-grade chlorsulfuron** (typically ≥95% purity) for agricultural and industrial applications.
Can Molekula supply chlorsulfuron in bulk quantities?
Yes, Molekula can supply chlorsulfuron in **bulk quantities** (e.g., drums, totes, or custom packaging) for large-scale industrial or agricultural use.
What documentation comes with a chlorsulfuron order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.