C14H18N6O7S
414.4 g/mol
AgrochemicalWarning
Pyrazosulfuron-ethyl
CAS93697-74-6EC618-964-1
Category
Agrochemical
Compound Class
Heterocycle
Primary Use
herbicide active ingredient
Pyrazosulfuron-ethyl is an organic compound from the sulfonylurea class, used as an herbicide active ingredient. It functions by inhibiting acetolactate synthase (ALS), an enzyme critical for branched-chain amino acid synthesis in plants.
herbicide active ingredientweed control in rice cultivation
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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ReferenceSame Category
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Systemic herbicide for weed control
Related Reading
Safety Reference
Warning
H332Harmful if inhaled
Customs Tariff Classification
The international HS code for Pyrazosulfuron-ethyl (CAS 93697-74-6) is 2935.90.
HS code (international, 6-digit)
2935.90
EU CN code (8-digit)
2935 90 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
ethyl 5-[(4,6-dimethoxypyrimidin-2-yl)carbamoylsulfamoyl]-1-methylpyrazole-4-carboxylate
InChIKey
BGNQYGRXEXDAIQ-UHFFFAOYSA-N
SMILES
CCOC(=O)C1=C(N(N=C1)C)S(=O)(=O)NC(=O)NC2=NC(=CC(=N2)OC)OC
Synonyms (13)
- Agreen
- Pyrazosulfuron-ethyl
- Sirius
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