For further processing only. Others Glupa-carboxylate Glupa-carboxylate 3.2.17.8.9.1 monoammonium salt 10413151103 Glupa-carboxylate, Monoammonium Salt Glupa-carboxylate 14038377155378 Reagents, kits custom fill Not Available CustomBiotech product. Please contact your local representative. Will be supplied as "Glupa-carboxylate, Monoammonium Salt". Unit of measure is "kg". 63699-78-5 en Substrate for γ-glutamyltransferase en Use Glupa-carboxylate in diagnostic tests for the determination of γ-glutamyltransferase, according to the recommendations of the International Federation of Clinical Chemistry and Laboratory Medicine (IFCC). en Appearance: White to yellowish crystalline powder Solubility: Clear, yellow solution in water (c=100 mg/mL), free of fuzz pH value: 4.0-6.0 Molar rotation [α] 25/D: +32.0±2.0° Melting range (Kofler): Approximately +170 to +180°C Glupa-carboxylate, free acid (enzymatic): ≥87% Glupa-carboxylate (HPLC): ≥99 area% Water (K. Fischer): ≤6.2% NH4 (Neßler's reagent): 5.2±1% 5-Amino-2-nitrobenzoate (HPLC): ≤0.1 area% α-Glupa-carboxylate (HPLC): ≤0.4 area% Thin layer chromatography (silica gel F; n-butanol/glacial acetic acid/H2O = 50/15/25; UV, with Nihydrin): Chromatographically homogeneous A405 (Glupa-carboxylate, 6 mmol/L): 0.65-0.80 Stability: At +2 to +8°C within specification range for 24 months. Protect from light. en