Product Number
Brand
Product Description
Supelco
Caffeine, Pharmaceutical Secondary Standard; Certified Reference Material
Supelco
Caffeine Melting Point Standard, Pharmaceutical Secondary Standard; Certified Reference Material
Supelco
N-Methyl-N-(trimethylsilyl)trifluoroacetamide, synthesis grade
Sigma-Aldrich
Chlorotrimethylsilane solution, 1.0 M in THF
Sigma-Aldrich
Caffeine, anhydrous, 99%, FCC, FG
Supelco
N-Methyl-N-(trimethylsilyl)trifluoroacetamide, BioReagent, for silylations, LiChropur™
Sigma-Aldrich
Caffeine, Sigma Reference Standard, vial of 250 mg
Sigma-Aldrich
Caffeine, meets USP testing specifications, anhydrous
Sigma-Aldrich
Caffeine, powder, ReagentPlus®
Sigma-Aldrich
Sigma 7-9®, ≥99% (titration), powder or crystals
Sigma-Aldrich
Caffeine, BioXtra
Supelco
N-Methyl-N-(trimethylsilyl)trifluoroacetamide, derivatization grade (GC derivatization), LiChropur™, ≥98.5%
Supelco
Mettler-Toledo Calibration substance ME 18872, Caffeine, traceable to primary standards (LGC)
Sigma-Aldrich
Caffeine, anhydrous, tested according to Ph. Eur.
Supelco
N-Methyl-N-(trimethylsilyl)trifluoroacetamide with 1% trimethylchlorosilane, derivatization grade (GC derivatization), LiChropur™
Supelco
Trifluoroacetic acid, analytical standard
Supelco
Caffeine, certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Supelco
Tromethamine, pharmaceutical secondary standard, certified reference material
Caffeine, European Pharmacopoeia (EP) Reference Standard
USP
Tromethamine, United States Pharmacopeia (USP) Reference Standard
Trometamol, European Pharmacopoeia (EP) Reference Standard
USP
Methyl alcohol, United States Pharmacopeia (USP) Reference Standard
Sigma-Aldrich
Trifluoroacetic acid, ReagentPlus®, 99%
Sigma-Aldrich
Trifluoroacetic acid, puriss. p.a., suitable for HPLC, ≥99.0% (GC)
Sigma-Aldrich
Trifluoroacetic acid, ≥99%, for protein sequencing
Sigma-Aldrich
Trifluoroacetic acid, suitable for HPLC, ≥99.0%
USP
Caffeine, United States Pharmacopeia (USP) Reference Standard
USP
Caffeine melting point standard, United States Pharmacopeia (USP) Reference Standard
Sigma-Aldrich
Salicylic acid, BioXtra, ≥99.0%