Merck 1124229010 N-Acetyl-L-cysteine for biochemistry (C₅H₉NO₃S, Plastic drum 10 kg)
Manufacturer: Merck Model: 1124229010 - 103,986,450 VND
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CAS number: 616-91-1
EC number: 210-498-3
Hill Formula: C₅H₉NO₃S
Molar Mass: 163.20 g/mol
Assay (iodometric): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder or colorless crystals
Appearance of solution (1 mol/l, water): clear and colorless
Spec. rotation (α 20/D, 50 g/l, buffer pH 7.0): +21.0 to +27.0
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.01 %
L-cysteine (HPLC): ≤ 0.02 %
Other ninhydrine positive substances: ≤ 0.1 %
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