EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes

(1,2,4)triazolo(1,5-a)pyrimidine-2-sulfonamide, N-(2,6-dichloro-3-methylphenyl)-5,7-dimethoxy-

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CAS Number: 139528-85-1Picture of molecule3D/inchi
Nikkaji Web:J669.286I
Beilstein Number:6353876
XlogP3-AA:3.20 (est)
Molecular Weight:418.25841000
Formula:C14 H13 Cl2 N5 O4 S
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:herbicides / pesticides
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
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Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
Physical Properties:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Melting Point: 211.00 °C. @ 760.00 mm Hg
Flash Point: 32.00 °F. TCC ( 0.00 °C. ) (est)
logP (o/w): 3.080
Soluble in:
 water, 200 mg/L @ 20 °C (exp)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
None found
BOC Sciences
For experimental / research use only.
For experimental / research use only.
Metosulam PESTANAL®, analytical standard
Safety Information:
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
herbicides / pesticides
Recommendation for metosulam usage levels up to:
 not for fragrance use.
Recommendation for metosulam flavor usage levels up to:
 not for flavor use.
Safety References:
European Food Safety Authority (EFSA) reference(s):

Reasoned opinion on the review of the existing maximum residue levels (MRLs) for metosulam according to Article 12 of Regulation (EC) No 396/2005
View page or View pdf

Retrospective analysis of the immunotoxic effects of plant protection products as reported in the Draft Assessment Reports for their peer review at EU level
View page or View pdf

EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :86422
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:2
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):86422
Pubchem (sid):135044603
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
KEGG (GenomeNet):C18867
HMDB (The Human Metabolome Database):HMDB34850
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 not found in nature
(1,2,4)triazolo(1,5-a)pyrimidine-2-sulfonamide, N-(2,6-dichloro-3-methylphenyl)-5,7-dimethoxy-


PubMed:Identification of the first glyphosate-resistant wild radish (Raphanus raphanistrum L.) populations.
PubMed:A novel amino acid substitution Ala-122-Tyr in ALS confers high-level and broad resistance across ALS-inhibiting herbicides.
PubMed:Rapid residue analysis of four triazolopyrimidine herbicides in soil, water, and wheat by ultra-performance liquid chromatography coupled to tandem mass spectrometry.
PubMed:Development and validation of a multi-residue method for pesticide determination in honey using on-column liquid-liquid extraction and liquid chromatography-tandem mass spectrometry.
PubMed:Rapid analysis of triazolopyrimidine sulfoanilide herbicides in waters and soils by high-performance liquid chromatography with UV detection using a C18 monolithic column.
PubMed:Analysis of triazolopyrimidine herbicides in soils using field-enhanced sample injection-coelectroosmotic capillary electrophoresis combined with solid-phase extraction.
PubMed:Analysis of pesticides in soy milk combining solid-phase extraction and capillary electrophoresis-mass spectrometry.
PubMed:Determination of herbicides in mineral and stagnant waters at ng/L levels using capillary electrophoresis and UV detection combined with solid-phase extraction and sample stacking.
PubMed:Development of an Enzyme-Linked Immunosorbent Assay for the Detection of Metosulam.
PubMed:Comparative pharmacokinetics of [14C]metosulam (N-[2,6-dichloro-3-methylphenyl]-5,7-dimethoxy-1,2,4- triazolo[1,5a]-pyrimidine-2-sulfonamide) in rats, mice and dogs.
Selective post-emergence herbicide used on cereals against broad-leaved weeds
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