EPA Methods Standards

Crescent Chemical Co Inc PARATHION-ETHYL SOLN 1ML

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Parathion-ethyl Single Component Calibration Standard in Methanol CAS 56-38-2 Size - 1mL Catalog Number - 7889M.10

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Hach Company Phenols Reagent Set (No Air Shipments)

For determination of Phenols by the 4-Aminoantipyrine method. Hach Method 8047. USEPA accepted for reporting wastewater analyses. Range: 0.002 - 0.200 mg/L Reagent Set includes: Hardness 1 Buffer Solution, Chloroform, Phenol Reagent Powder Pillows, and Phenol 2 Reagent Powder Pillows for 100 tests. For air freight shipments, order 2243901

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Crescent Chemical Co Inc CROTONALDEHYDE-2,4-DINIT 100MG

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Crotonaldehyde-2,4-dinitrophenylhydrazone (DNPH) Hydrocarb./petrochem. (Metabolite) CAS 1527-96-4 Molecular Weight - 250.2108 Storage - RT Catalog Num - DRE-CA11755200 chemical

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Quantum Storage Systems MOD DLY FRAME 18 X 36

Aah, Quantum Storage Mod Dly Frame 18 X 36

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Quantum Storage Systems MOD DLY FRAME 18 X 48

Aah, Quantum Storage Mod Dly Frame 18 X 48

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Medchemexpress LLC Oxyfluorfen | 42874-03-3 | 99.7 % | 100 MG

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Oxyfluorfen is a diphenyl ether herbicide and protoporphyrinogen oxidase (PPO) inhibitor supplied as a research-grade solid for laboratory studies of herbicidal activity, environmental fate, and toxicology.

• High purity suitable for analytical and research use.
• Off-white to light yellow solid physical form.
• Available in small pack sizes for laboratory experiments.
• Recommended cold storage to maintain stability.
• Acts as a PPO inhibitor affecting chlorophyll synthesis for mechanism studies.

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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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Medchemexpress LLC MEDCHEMEXPRESS LLC

5000408709 PERMETHRIN-D5 1MG

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

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Hydrocarbons in Sulfolane Lineout / Calibration (100ML)

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Chem Service Inc Surrogate Mixture-8080, 5 mL

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Concentration and Solvent: 2000 ug/ml in Toluene, Alternate Name(s): Mixture of 2 analytes, EPA method 8000.

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Sigma Aldrich Fine Chemicals Biosciences EPA 8270/Appendix IX Nitro

EPA EPA 8270/Appendix IX Nitro

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eMolecules​ Ambeed / Ethyl 5-methylindole-2-carboxylate / 1g / 490530416 / A196233 / / 16382-15-3 / MFCD00022703 / 203.241 / C12H13NO2

Ambeed / Ethyl 5-methylindole-2-carboxylate / 1g / 490530416 / A196233 / / 16382-15-3 / MFCD00022703 / 203.241 / C12H13NO2

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Chem Service Inc 1ML AROCLOR 1016

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This item has a minimum order quantity of 3 per supplier requirements

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ERA WATERS CORP DEMAND: BOD,CBOD,COD,TOC

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Demand PT One 15 mL screw-cap vial yields up to 2 liters after dilution.

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eMolecules​ Synthonix / methyl 2-4-[(tert-butoxy)carbonyl]piperazin-1-ylpyrimidine-5-carboxylate / 100mg / 786491271 / AC80127 / / 1057682-17-3 / MFCD22200334 / 322.365 / C15H22N4O4

Synthonix / methyl 2-4-[(tert-butoxy)carbonyl]piperazin-1-ylpyrimidine-5-carboxylate / 100mg / 786491271 / AC80127 / / 1057682-17-3 / MFCD22200334 / 322.365 / C15H22N4O4

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