资讯

Fumigation with methyl bromide is generally prohibited unless the specific use meets the definition of a quarantine or pre-shipment (QPS) application under the ODSHAR (see Appendix II of the full ...
Pest Management Regulatory Agency 19 June 2025 ISSN: 2561-6269 (PDF version) Catalogue number: H113-17/2025-1E-PDF (PDF version) Summary. To obtain a full copy of Special Review Decision SRD2025-01, ...
The PCPB examined 430 pesticides and used scientific data provided by manufacturers, & regulatory decisions from ...
Methylcobalamin and cyanocobalamin are two different forms of vitamin B12. Although both are used in supplements and can increase B12 levels, they each have a different structure and source. In ...
The copolymerization of α-methylstyrene (MSt) and styrene (St) to form random and blocky copolymers is well-known. Strongly alternating copolymers of this type are rarely described, mainly because of ...
Optimization of the route to the sap-feeding insecticidal candidate tyclopyrazoflor featuring [3 + 2] cyclization of 3-hydrazinopyridine·2HCl and methyl acrylate is described. The key impurities in ...