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

D-Cysteine ​​Hydrochloride Monohydrate (HD-Cys-OH·HCl·H2O) (CAS: 32443-99-5) AJI 97 Tikanga Whakamātau
D-Cysteine ​​Hydrochloride Monohydrate, ina whakamaroke, kaua e iti iho i te 98.5 paiheneti, kaua hoki e neke ake i te 101.0 ōrau o D-Cysteine ​​Hydrochloride (C3H7NO2S·HCl).
Wairewa (H2O, g/100g): āhua 67 (25 ℃)
Tautuhinga: (1) Ki te 5ml o te otinga o te D-Cysteine ​​Hydrochloride Monohydrate (1→1000) tāpirihia te 0.5ml o te pyridine me te 1ml o te wairewa ninhydrin 1% me te wera mo te 3 meneti;ka puta he tae papura, papura parauri ranei.
(2) Ki te 5ml o te otinga o te D-Cysteine ​​Hydrochloride Monohydrate (1→1000) me te 2ml o te wairewa konutai 10% konutai me nga pata e rua o te otinga konutai nitroferricyanide 5%;ka puta he tae whero-papura.
(3) Tangohia nga waahanga iti o te tauira whakamatautau i runga i te waea parahi.Ka tahuna ki te mura o te hau, ka puta he tae kaakaariki (Beilstein reaction).
Hurihuri Tau [α]20/D: Tauira maroke, C=8, 1mol/L HCl
State of Solution (Transmittance): 1.0g i te 10ml o H2O, spectrophotometer, 430nm, 10mm te matotoru pūtau.
Chloride (Cl): 350mg, B-2
Haukinia (NH4): A-1
Putakawa (SO4): 1.2g, (1), ref: 0.50ml o 0.005mol/L H2SO4
Nga Kourarahi Taumaha (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.
Ētahi atu waikawa Amino: Tauira Whakamātautau: 10μg, A-1-a
Ngaronga i te whakamaroke: I roto i te korehau, P2O5, i te pāmahana rūma mo te 20 haora.
Te toenga i runga i te mura (Sulfated): AJI Test 13
Te whakamatautau: Tauira maroke, 250ml, 0.05mol/L I2 1ml=15.762mg C3H7NO2S·HCl
Ētahi atu waikawa Amino: Whakarewahia te 200mg o te tauira ki roto i te wairewa wai N-ethyl-maleimide 2% ki te hanga 100ml ka waiho kia tu mo te 30 meneti ka haere ki te tikanga mo te mahi i raro i te AJI TEST 9.