NOMENCLATURE  
pyrazosulfuron-ethyl 
Common name pyrazosulfuron-ethyl
IUPAC name ethyl 5-(4,6-dimethoxypyrimidin-2-ylcarbamoylsulfamoyl)-1-methylpyrazole-4-carboxylate 
Chemical Abstracts name ethyl 5-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-1-methyl-1H-pyrazole-4-carboxylate 
CAS RN [93697-74-6]

pyrazosulfuron 
Common name pyrazosulfuron (BSI, draft E-ISO, (m) draft F-ISO)
IUPAC name 5-(4,6-dimethoxypyrimidin-2-ylcarbamoylsulfamoyl)-1-methylpyrazole-4-carboxylic acid 
Chemical Abstracts name 5-[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]-1-methyl-1H-pyrazole-4-carboxylic acid 
CAS RN [98389-04-9] 

APPLICATIONS  
pyrazosulfuron-ethyl 
Mode of action Systemic herbicide, absorbed by roots and/or leaves and translocated to the meristems.
Uses Control of annual and perennial broad-leaved weeds and sedges, pre- or post-emergence in wet-sown and transplanted rice crops, at 15-30 g/ha.

Packing details 
10ML ~200L for liquid formulations, 1G~25KG for solid formulations.