S-(Carboxymethyl)-L-Cysteine ​​CAS 638-23-3 (Carbocisteine)

S-(Carboxymethyl)-L-Cysteine ​​siccata, non minus quam 98.5 centesimas continet nec plus quam 101.0 centesimas S-(Carboxymethyl)-L-Cysteine ​​(C5H9NO4S).
Description: Crystalla alba vel crystallina pulveris, saporis acidi modice.
Perexiguum in aqua solubile, in ethanolo et in acetico acetico et in aethere paene solubile.In acido hydrochlorico diluto et in sodio hydroxide TS.
Solubilitas (H2O, g/100g): 0.13 (20℃)
Lepidium sativum: Confer spectrum ultrarubrum effusio exempli cum illa regulae per modum discus bromide potassium.
Imprimis rotationis [α]20/D: specimen siccatum, C=10, pH6.0.Sample siccato, sume circiter 5g exempli.accurate perpensis, solve in 20ml aquae et sodium sodium solutionis (13 →100).Post pH accommodare ad 6.0 cum 1mol/L vel 0.1mol/L acidum hydrochloricum TS, adde aquam ad accurate 50ml.
Status Solutionis (Transmittance): 1.0g in 10ml 1mol/L NaOH, spectrophotometri, 430nm, 10mm cellulae crassitudinis.
Chloride (Cl): 0.36g, A-2, ref: 0.40ml ex 0.01mol/L HCl
Aconitum (NH4): A-1
Sulfate (SO4): 1.2g, (2), ref: 0.50ml of 0.005mol/L H2SO4
Ferrum (Fe): 0.5g, (2), ref: 1.5ml of Iron Std.(0.01mg/ml)
Metalla gravia (Pb): 2.0g, (2), ref: 2.0ml of Pb Std.(0.01mg/ml)
Arsenicum (As2O3): 2.0g, (3), ref: 2.0ml de As2O3 Std.
Alia Amino Acides: 0.2mol/L NaOH, test Sample: 75μg, B-2-a imperium;S-(Carboxymethyl)-L-Cysteine ​​0.15μg.Post singulas solutiones maculosa in lamella, statim bractea exculta est
Damnum in remittit: ad CV "pro III horas"
Residere in Ignitione (Sulfated): AJI Test 13
Intenta: Arida specimen, 180mg, 0.1mol/L HCLO4 1ml=17.920mg C5H9NO4S.Circa 180mg specimen dissolve, antea exsiccata et accurate perpensa, in3ml acidi formici, aciendi perchlorici addunt exacte 15 ml de 0.1mol/L, et 50ml acidum glacialis acetici, et titra- mentum excessum acidi perchlorici cum 0.1mol/L sodium acetatis;terminus potentiae ad determinandum.Fac blank determinatione, et correctionem necessariam fac.Quodlibet ml 0.1mol/L acidi perchlorici aequipollet 17.920 mg C5H9NO4S.
PH: 1.0g in 10ml (Saturated aqueum solutionem)
Repono limitem et conditionem commendatur: Praeservata continentia stricta ad locus temperatus sobrie (2 annis).