Merck 1084950100 缬氨酸,生物化学适用 (C₅H₁₁NO₂; 塑料瓶 100 g)
制造商: Merck Model: 1084950100 - 报价要求
- 报价要求
Price (exclude VAT) 2,153,950 VND Price (include VAT) 2,369,345 VND
CAS number: 72-18-4
EC number: 200-773-6
Hill Formula: C₅H₁₁NO₂
Molar Mass: 117.15 g/mol
Assay (perchloric acid titration): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white, crystalline powder or colorless crystals
Appearance of solution (50 g/l; water): clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l): +23.8 to +24.8
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.01 %
Foreign amino acids: ≤ 0.5 %
Other ninhydrine positive substances: ≤ 0.1 %
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