D-Cysteine ​​Hydrochloride Monohydrate CAS 32443-99-5 (HD-Cys-OH·HCl·H2O) Su'ega 98.5~101.0%

D-Cysteine ​​Hydrochloride Monohydrate (HD-Cys-OH·HCl·H2O) (CAS: 32443-99-5) AJI 97 Metotia Su'ega
D-Cysteine ​​Hydrochloride Monohydrate, pe a fa'amago, e le itiiti ifo i le 98.5 pasene ae le sili atu i le 101.0 pasene ole D-Cysteine ​​Hydrochloride (C3H7NO2S·HCl).
Soluble (H2O, g/100g): e tusa ma le 67 (25℃)
Faailoaina: (1) I le 5ml o se vaifofo o le D-Cysteine ​​Hydrochloride Monohydrate (1→1000) faaopoopo le 0.5ml o le pyridine ma le 1ml o le 1% ninhydrin solution ma le vevela mo le 3 minute;e maua ai se lanu viole po'o le lanu viole enaena.
(2) I le 5ml o se vaifofo o le D-Cysteine ​​Hydrochloride Monohydrate (1→1000) ma le 2ml o le 10% sodium hydroxide solution ma lua mataua o le 5% sodium nitroferricyanide solution;ua gaosia se lanu mumu-lanu viole.
(3) Ave le vaega itiiti o le suʻega faʻataʻitaʻiga i luga o le uaea kopa.Mu i le afi afi, ona maua ai lea o se lanu meamata (Beilstein reaction).
Ta'amilosaga Fa'apitoa [α]20/D: Fa'ata'ita'i mago, C=8, 1mol/L HCl
Setete o Fofo (Transmittance): 1.0g i le 10ml o le H2O, spectrophotometer, 430nm, 10mm mafiafia sela.
Chloride (Cl): 350mg, B-2
Ammonium (NH4): A-1
Sulfate (SO4): 1.2g, (1), ref: 0.50ml o le 0.005mol/L H2SO4
Metala Mamafa (Pb): 2.0g, (1), pH=7, ref: 2.0ml o Pb Std.(0.01mg/ml)
Arsenic (As2O3): 2.0g, (1), ref: 2.0ml o As2O3 Std.
Isi Amino Acids: Faʻataʻitaʻiga Suʻega: 10μg, A-1-a
Ma'imau ile Fa'agogo: I totonu o le vacuum, P2O5, ile potu vevela mo le 20 fale.
Toega i luga o le mumu (Sulfated): Su'ega AJI 13
Su'ega: Fa'ata'ita'i mago, 250ml, 0.05mol/L I2 1ml=15.762mg C3H7NO2S·HCl
Isi Amino Acids: Fa'amuta le 200mg o le fa'ata'ita'iga i le 2% N-ethyl-maleimide vaifofo e fai ai le 100ml ma fa'ataga e tu mo le 30 minute ona fa'aauau lea e pei ona fa'atonuina mo le fa'atinoga i lalo ole AJI TEST 9.