EPA Methods Standards

WELLINGTON LABORATORIES LLC EPA METHOD 533 NATIVE ANALYTE

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NC2741490 EPA METHOD 533 NATIVE ANALYTE

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eMolecules​ AstaTech / TERT-BUTYL 4-(3-(METHOXYCARBONYL)PHENOXY)PIPERIDINE-1-CARBOXYLATE / 0.1g / 686063433 / E77839 / 95.000 / 917903-68-5 / [null] / 335.400 / C18H25NO5

AstaTech / TERT-BUTYL 4-(3-(METHOXYCARBONYL)PHENOXY)PIPERIDINE-1-CARBOXYLATE / 0.1g / 686063433 / E77839 / 95.000 / 917903-68-5 / [null] / 335.400 / C18H25NO5

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eMolecules​ ChemScene / 2-(2-(Methoxycarbonyl)phenoxy)acetic acid / 100mg / 714102867 / CS-0459963 / 0.000 / 113496-10-9 / MFCD24389675 / 210.185 / C10H10O5

ChemScene / 2-(2-(Methoxycarbonyl)phenoxy)acetic acid / 100mg / 714102867 / CS-0459963 / 0.000 / 113496-10-9 / MFCD24389675 / 210.185 / C10H10O5

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Medchemexpress LLC Tofacitinib metabolite-1 | 1640971-51-2 | 99.6% | C16H20N6O2 | 10MG

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Tofacitinib metabolite-1 is the primary human metabolite of the JAK inhibitor tofacitinib. This small-molecule reference standard is supplied as a light-yellow solid at high purity for use in pharmacokinetic, metabolism, and LC-MS analytical method development.

• CAS number: 1640971-51-2
• Molecular formula: C16H20N6O2
• Molecular weight: 328.37 g/mol
• High purity, approximately 99.6%
• Appearance: light yellow to yellow solid
• Soluble in DMSO; recommended 100 mg/mL with ultrasonic assistance
• Suitable for pharmacokinetic, metabolism, and analytical reference studies
• Storage: protect from light; solids at 4°C; solutions long-term at -80°C

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AccuStandard, Inc METHOD 8260-ADD 2.0MG/ML MEOH

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Method 8260 Additions. 100 mL. 1000 ?g/mL in 2-5% Nitric Acid.

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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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Crescent Chemical Co Inc FLUTOLANIL 100 MG

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Flutolanil Fungicide (WS) CAS 66332-96-5 Molecular Weight - 323.3096 Storage - RT Catalog Num - DRE-C13863500 pesticide

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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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Crescent Chemical Co Inc METALAXYL 100 MG

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Metalaxyl Fungicide (WS) CAS 57837-19-1 Molecular Weight - 279.3315 Storage - RT Catalog Num - DRE-C14920000 pesticide

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Crescent Chemical Co Inc Paraquat Dichloride, 1910-42-5, MFCD00011986, 100mg

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Molecular Formula C12H14N2.2Cl, Molecular Weight 257.163, Herbicide (WS)

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Crescent Chemical Co Inc EPA8080A DDT METABOLI 3COMP1ML

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EPA Method 8080A - Ddt Metabolites, 0.25mgmL in HexaneToluene 2,4 CAS Size - 1mL Catalog Number - 8PM-001

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Crescent Chemical Co Inc NADIFLOXACIN 100MG

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Nadifloxacin Pharma./veter. comp. (WS) CAS 124858-35-1 Molecular Weight - 360.3794 Storage - RT Catalog Num - DRE-C15400500 chemical

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Crescent Chemical Co Inc OXYFLUORFEN 100 MG

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Oxyfluorfen Herbicide (WS) CAS 42874-03-3 Molecular Weight - 361.7003 Storage - RT Catalog Num - DRE-C15800000 chemical

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eMolecules​ JW PharmLab LLC / 3-(2-Hydroxy-4-methoxy-phenyl)-3-oxo-propionic acid ethyl ester / 250mg / 761736944 / 05R0234 / 96.000 / 364039-61-2 / MFCD06658444 / 238.239 / C12H14O5

JW PharmLab LLC / 3-(2-Hydroxy-4-methoxy-phenyl)-3-oxo-propionic acid ethyl ester / 250mg / 761736944 / 05R0234 / 96.000 / 364039-61-2 / MFCD06658444 / 238.239 / C12H14O5

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Crescent Chemical Co Inc MALATHION 100 MG

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Malathion Insecticide (WS) CAS 121-75-5 Molecular Weight - 330.358 Storage - +5°C Catalog Num - DRE-C14710000 pesticide

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