Hóa chất N-Acetyl-L-cysteine cho hóa sinh Merck 1124220100 (C₅H₉NO₃S, Chai nhựa 100 g) DEEP52 https://yeuhangduc.vn/

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 %