EPA Methods Standards

eMolecules​ 174398-83-5 | Ambeed | Ethyl 34-bis(benzyloxy)benzoate | 1g | 572922504 | A146538 | MFCD01861873 | 362.425 | C23H22O4

Ambeed | tert-Butyl 4-(dimethylcarbamoyl)piperidine-1-carboxylate | 100mg | 595929190 | A605480 | 254905-58-3 | MFCD07776586 | 256.346 | C13H24N2O3

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eMolecules​ 5930-92-7 | Ambeed | Ethyl 4-nitro-1H-pyrrole-2-carboxylate | 1g | 525131499 | A217700 | MFCD00059927 | 184.151 | C7H8N2O4

Ambeed | Ethyl 4-nitro-1H-pyrrole-2-carboxylate | 1g | 525131499 | A217700 | 5930-92-7 | MFCD00059927 | 184.151 | C7H8N2O4

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Medchemexpress LLC Oxyfluorfen | 42874-03-3 | 99.7% | 50 MG

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Oxyfluorfen is a diphenyl ether herbicide supplied as a research-grade analytical reagent. It inhibits protoporphyrinogen oxidase (PPO), disrupting chlorophyll synthesis, and is used in analytical, environmental, and toxicology studies.

• High purity analytical grade (99.7%).
• Molecular formula C15H11ClF3NO4; molecular weight 361.70 g/mol.
• Supplied in small quantities suitable for laboratory testing.
• Used to study PPO inhibition, herbicidal activity, and environmental fate.
• Reported to induce DNA damage and is toxic to aquatic organisms; handle with appropriate precautions.

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Absolute Standards PHOSPHATE SP 500ML

Phosphate (PO4-3) as P (Encompass)

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Cambridge Isotope Laboratories Method 1668A/B/C Native Toxics/LOC Solution 2 ug/mL in nonane/isooctane 1 2 mL

Method 1668A/B/C Native Toxics/LOC Solution 2 ug/mL in nonane/isooctane 1 2 mL

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eMolecules​ 51814-19-8 | 1-Benzyl 3-ethyl 4-oxopyrrolidine-1,3-dicarboxylate | Ambeed | MFCD09878816 | 291.303 | C15H17NO5 | 95.000 | CCOC(=O)C1CN(CC1=O)C(=O)OCc1ccccc1 | 250mg | 525150220

1-Benzyl 3-ethyl 4-oxopyrrolidine-1,3-dicarboxylate | Ambeed | 51814-19-8 | MFCD09878816 | 291.303 | C15H17NO5 | 95.000 | CCOC(=O)C1CN(CC1=O)C(=O)OCc1ccccc1 | 250mg | 525150220

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Aqua Solutions Hydrocarbons in Sulfolane Lineout / Calibration (100ML)

Hydrocarbons in Sulfolane Lineout / Calibration (100ML)

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Medchemexpress LLC WNT3A SURROGATE HUM 50UG

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5000184668 WNT3A SURROGATE HUM 50UG

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Crescent Chemical Co Inc PYRACLOSTROBIN 100 MG

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Pyraclostrobin Fungicide (WS) CAS 175013-18-0 Molecular Weight - 387.8169 Storage - RT Catalog Num - DRE-C16595000 pesticide

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AdipoGen -Spartein Surrogate

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Chemical. CAS 475301-86-1. Formula C12H22N2. MW 194.32. Synthetic. Chiral reagent.

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Crescent Chemical Co Inc EPA 515.1 ACIDS 16COMP 1ML

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EPA Method 515.1-Acids Acifluorfen-100 ugmL, Bentazone-200 ugmL, Chloramben-100 ugmL, 2,4-D-200 ugmL, Dalapon1,300 ugmL, 2,4-DB-800ugmL, DCPA diacid-100 ugmL, Dicamba-100 ugmL, 3,5-Dichlorobenzoic acid-100 ugmL, Dichloroprop-300 ugmL, Dinoseb-200 ugm

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Crescent Chemical Co Inc EPA 8140 ORGANOPHOS 20COMP 1ML

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EPA Method 8140, Organophosphorous Pesticides, 20 Components Azinphos methyl, Bolstar, Chloropyrifos, Coumaphos, Demeton, Diazinon, Dichlorvos, Disulfoton, Ethoprop, Fensulfothion, Fenthion, Merphos, Methyl parathion, Mevinphos, Naled, Phorate, Ronne

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Crescent Chemical Co Inc EPA 8270 BASE/NEUT 6COMP 5ML

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EPA Method 8270, BaseNeutrals & Acids Matrix Spiking Solution, BaseNeutrals, 6 components Acenaphthene, 1,4-Dichlorobenzene, 2,4-Dinitrotoluene, N-Nitrosodi-n-propylamine, Pyrene, 1,2,4-Trichlorobenzene CAS Size - 5mL Catalog Numb

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Crescent Chemical Co Inc Tolyltriazole, 29385-43-1, MFCD00167158, 100mg

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Molecular Formula C7H7N3, Molecular Weight 133.154

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Crescent Chemical Co Inc tau-Fluvalinate, 102851-06-9, MFCD00871307, 100mg

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Molecular Formula C26H22ClF3N2O3, Molecular Weight 502.918, Insecticide (WS), Storage: -18°C

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