Product Number
Brand
Product Description
Supelco
Methanol, analytical standard
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Sigma-Aldrich
Methanol, anhydrous, 99.8%
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Sigma-Aldrich
Melamine, 99%
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Sigma-Aldrich
Methanol, NMR reference standard
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Supelco
Melting point standard 235-237°C, analytical standard
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Paracetamol, European Pharmacopoeia (EP) Reference Standard
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Supelco
Melamine, analytical standard
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Availability
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Caffeine for system suitability, European Pharmacopoeia (EP) Reference Standard
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Quantity
Sigma-Aldrich
Methanol, ACS reagent, ≥99.8%
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Sigma-Aldrich
Methanol, HPLC Plus, ≥99.9%
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Sigma-Aldrich
Methanol, suitable for HPLC, gradient grade, suitable as ACS-grade LC reagent, ≥99.9%
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Sigma-Aldrich
Methanol, suitable for HPLC, ≥99.9%
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USP
Melamine, United States Pharmacopeia (USP) Reference Standard
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Sigma-Aldrich
Methanol, Absolute - Acetone free
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Supelco
Methanol, Pharmaceutical Secondary Standard; Certified Reference Material
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Supelco
Melamine, Pharmaceutical Secondary Standard; Certified Reference Material
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Sigma-Aldrich
Methanol, ACS reagent, ≥99.8%
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Sigma-Aldrich
Methanol, ACS spectrophotometric grade, ≥99.9%
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Sigma-Aldrich
Methanol, ACS reagent, ≥99.8%
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Sigma-Aldrich
Methanol, BioReagent, ≥99.93%
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Sigma-Aldrich
Methanol, Laboratory Reagent, ≥99.6%
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Sigma-Aldrich
Caffeine, anhydrous, tested according to Ph. Eur.
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Sigma-Aldrich
Caffeine, anhydrous, 99%, FCC, FG
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Sigma-Aldrich
Acetaminophen, analytical standard
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Sigma-Aldrich
Acetaminophen, BioXtra, ≥99.0%
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Sigma-Aldrich
Caffeine, meets USP testing specifications, anhydrous
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Sigma-Aldrich
Caffeine, Sigma Reference Standard, vial of 250 mg
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Sigma-Aldrich
Caffeine, BioXtra
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Sigma-Aldrich
Caffeine, powder, ReagentPlus®
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Sigma-Aldrich
Acetaminophen, meets USP testing specifications, 98.0-102.0%, powder
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