Aluminum (Al): 10 ppb max. Barium (Ba): 10 ppb max. Cadmium (Cd): 10 ppb max. Calcium (Ca): 20 ppb max. CAS: 7732-18-5 Certificate of Analysis: Actual Lot Analysis reported on label; Certificate of Actual Lot Analysis available on request Chemical Name or Material: Water Chromium (Cr): 10 ppb max. Cobalt (Co): 10 ppb max. Copper (Cu): 10 ppb max. Density: 1.000g/cm³ Boiling Point: 100°C Color: Colorless Formula Weight: 18.02 Melting Point: 0°C pH: 7 Physical Form: Liquid Purity Grade: Optima™ LC/MS Filtered Through: 0.03 micron filtered. Halogens: Not Detected Impurities: ≤10ppb (Ionic, Potassium) Iron (Fe): 10 ppb max. LCMS at Negative Mode as Aldicarb: 50 ppb max. LCMS at Positive Mode as Reserpine: 50 ppb max. LCMS Gradient Suitability: ≤2 mAU - PDA (200-400nm) LCMS Negative Mode as Mecoprop: ≤300ppb LCMS Positive Mode as Propazine: ≤50ppb Lead (Pb): 10 ppb max. Magnesium (Mg): 10 ppb max. Manganese (Mn): 10 ppb max. Merck Index: 15, 10237 MDL Number: 11332 Molecular Formula: H₂O Nickel (Ni): 10 ppb max. Packaging: Glass Bottle Physical State: Liquid Potassium (K): 10 ppb max. Protease: Protease free Purity Grade Notes: Formulated for UHPLC-UV Residue after Evaporation: ≤1ppm Silver (Ag): 10 ppb max. Sodium (Na): 20 ppb max. Tin (Sn): 10 ppb max. Vapor Pressure: 17.5mmHg at 20°C Zinc (Zn): 10 ppb max. 500ML Water, Optima(TM) LC/MS grade

Aluminum (Al): 20 ppb max. Assay Percent Range: ≥99.0 % Calcium (Ca): 50 ppb max. CAS: 64-18-6 CAS: 7732-18-5 Chemical Name or Material: 0.1% Formic Acid in Water (v/v) Copper (Cu): 10 ppb max. Density: 1g/cm³ Boiling Point: 100°C Color: Clear pH: 2 Physical Form: Liquid Purity Grade: Optima™ LC/MS Formic Acid: 0.095 to 0.105% Identification: Pass Test Iron (Fe): 10 ppb max. LCMS Gradient Suitability: Pass Test Lead (Pb): 10 ppb max. Magnesium (Mg): 10 ppb max. Manganese (Mn): 10 ppb max. Merck Index: 15, 4269 MDL Number: 3297 Molecular Formula: CH₂O₂ Name Note: Solvent Blends Nickel (Ni): 10 ppb max. Packaging: Glass Bottle Potassium (K): 20 ppb max. Protease: Protease free Residue after Evaporation: 1ppm max. Silver (Ag): 10 ppb max. Sodium (Na): 50 ppb max. Zinc (Zn): 20 ppb max. 4LT Water, with 0.1% (v/v) Formic acid, Optima LC/MS grade

Aluminum (Al): 20 ppb max. Assay Percent Range: 99.0 to 103.0 % Calcium (Ca): 50 ppb max. CAS: 76-05-1 CAS: 76-05-1 Chemical Name or Material: 0.1% Trifluoroacetic Acid in Water (v/v) Copper (Cu): 10 ppb max. Assay: 0.095 to 0.105% (v/v) Trifluoroacetic Acid Color: Clear Physical Form: Liquid Purity Grade: Optima™ LC/MS Identification: Pass Test Impurities: ≤20ppb (Ionic, Potassium) Iron (Fe): 10 ppb max. LCMS Gradient Suitability: Pass Test Lead (Pb): 10 ppb max. Magnesium (Mg): 10 ppb max. Manganese (Mn): 10 ppb max. Merck Index: 15, 9847 MDL Number: 4169 Molecular Formula: C₂HF₃O₂ Name Note: Solvent Blends Nickel (Ni): 10 ppb max. Packaging: Glass Bottle Potassium (K): 20 ppb max. Protease: Protease free Residue after Evaporation: ≤1ppm Silver (Ag): 10 ppb max. Sodium (Na): 50 ppb max. Trifluoroacetic Acid: Inclusive between 0.095% Zinc (Zn): 20 ppb max. 4LT Water, with 0.1% (v/v) TFA, Optima LC/MS grade

Chemical Name or Material: Water Name Note: For HPLC gradient grade CAS: 7732-18-5 Purity Grade: For HPLC gradient grade Molecular Formula: H₂O Linear Formula: H₂O Formula Weight: 18.02 MDL Number: MFCD00011332 1LT Water, for HPLC gradient grade

Chemical Name or Material: Water CAS: 7732-18-5 Purity Grade: HPLC Grade Physical Form: Liquid Molecular Formula: H₂O Formula Weight: 18.02 MDL Number: MFCD00011332 WATER ULTRAPURE HPLC GRADE1L

Density: 1.000g/mL at 3.98°C Molecular Formula: H₂O MDL Number: MFCD00011332 UN Number: NONH for all modes of transport Formula Weight: 18.02g/mol Purity Grade: ACS Reagent Chemical Name or Material: Water CAS: 7732-18-5 Beilstein: 2050024 Boiling Point: 100°C Melting Point: 0°C X4 Water ACS reagent

Chemical Name or Material: Water CAS: 7732-18-5 Purity Grade: For residue analysis Molecular Formula: H₂O Linear Formula: H₂O Formula Weight: 18.02 MDL Number: MFCD00011332 1LT Water, for residue analysis, ECD tested for pesticide analysis

Chemical Name or Material: Water CAS: 7732-18-5 Purity Grade: ACS Grade Physical Form: Liquid Molecular Formula: H₂O Formula Weight: 18.02 MDL Number: MFCD00011332 WATER REAGENT (DEIONIZED WATER) ACS

Chemical Name or Material: Water CAS: 7732-18-5 Purity Grade: For HPLC Molecular Formula: H₂O Linear Formula: H₂O Formula Weight: 18.02 MDL Number: MFCD00011332 2.5LT Water, for HPLC

Chemical Name or Material: Water CAS: 7732-18-5 Purity Grade: Spectrophotometric grade Physical Form: Liquid Molecular Formula: H₂O Formula Weight: 18.02 MDL Number: MFCD00011332 WATER ULTRAPURE SPECTRO GRADE 1L

Beilstein: 2050024 CAS: 7732-18-5 Chemical Name or Material: Water Density: 1.000g/mL at 3.98°C Formula Weight: 18.02g/mol Purity Grade: CHROMASOLV™ MDL Number: MFCD00011332 UN Number: NONH for all modes of transport X6 Water CHROMASOLV® for pesticide residue analysis 1L