L-Cysteinum Hydrochloridum Monohydratum CAS 7048-046 Intende 98.5~ 101.0%
Shanghai Ruifu Chemical Co, Ltd. est fabrica et supplementum praecipuum Monohydratorum L-Cysteini hydrochloridis (H-Cys-OH·HCl·H2O) (CAS: 7048-04-6) cum qualitate maxima.Ut una ex maximis amino acida in Sinis, Ruifu opificiorum chemicorum qualificata amino acida derivata ad signa internationalia, ut AJI, USP, EP, GB, et FCC vexillum.CoA praebere possumus, totius orbis partus, parvas et parvas quantitates in promptu habentes.Si interest in L-Cysteine Hydrochloride Monohydratorum;Please contact: alvin@ruifuchem.com
| Nomen chemicum | L-Cysteine Hydrochloride Monohydrate |
| Synonyma | H-Cys-OH·HCl;H-Cys-OH·HCl Monohydrate;H-Cys-OH·HCl·H2O;L-Cys-OH·HCl·H2O;L-Cysteine HCL Monohydrate;L-Cysteine HCl H2O;(R) -2-Amino-3-Mercaptopropanoicum Acidum Hydrochloridum Monohydratum;LCHCMH |
| Stock Status | In Stock, Productio Capacity MMM Tons per Year |
| CAS Number | 7048-04-6 |
| Formulae hypotheticae | C3H10ClNO3S |
| M. Pondus | 175.64 (157.62 anhy); |
| Liquescens punctum | 175.0~178.0℃ |
| Density | 1.54 g/cm3 |
| Sensitiva | Hygroscopic.Aer Sensitiva, Lux Sensitiva, Humor Sensitiva |
| Aqua Solubility | Ipsum solutum in aqua |
| Repono Nativ. | Signatus in siccis, Store in Room Temperature |
| COA & MSDS | Praesto |
| Classification | Amino Acidum Derivatives |
| Brand | Ruifu Chemical |
| Periculum Codes | Xi | RTECS | HA2285000 |
| Periculum Denunciationes | 36/37/38 | F | 3-10-23 |
| Salus Denunciationes | 26-36 | TSCA | Ita |
| WGK Germania | 3 | HS Code* | 2922491990 |
| Items | Signa inspectionis | Proventus |
| Aspectus | Crystal alba vel Crystallinus Pulvis, Fortiter Acidum Taste | Conforms |
| Lepidium sativum | Infrared effusio Imaginis | Conforms |
| Imprimis rotationis [α]20/D | +6.1° ad +7.8°(C=8,1N HCl) | +6.3° |
| Status Solutio (Transmittance) | Patet et hyalina ≥98.0% | 99,1% |
| Chloride (Cl) | 19.89 ad 20.29% | 20.16% |
| Sulfate (SO4) | ≤0.020% | <0.020% |
| Aconitum (NH4) | ≤0.020% | <0.020% |
| Ferrum (Fe) | ≤10ppm | <10ppm |
| Metalla gravia (Pb) | ≤10ppm | <10ppm |
| Arsenicum (As2O3) | ≤1.0ppm | <1.0ppm |
| Alia Amino Acids | Chromatographice non detectable | Conforms |
| Damnum in Siccatio | 8.5 ad 12.0% | 9.3% |
| Residere in Ignition (Sulfated) | ≤0.10% | 0.06% |
| Assay | 98.5 ad 101.0% (Titratio: in Arida Basis) | 99.8% |
| PH Test | 1.5 ad 2.0 (1% in aqua) | 1.8 |
| Origin | Source non animal | Conforms |
| RELICTUM Solvents | Conforms | Conforms |
| conclusio | This Product by Inspection Concording with the Standard of AJI97 | |
| Usus principalis | Amino acida;Cibus Additives;Pharmaceutical intermedia | |
sarcina: Fluorinated Utrem, 25kg/peram, 25kg/Cardboard Drum, vel secundum exigentiam emptoris.
Repono Condition:Copia in vasis obsignatis ad frigus, siccum et ventilatas horreis ab substantiis non repugnantibus.A luce et humore protege.
L-Cysteinum Hydrochloridum Monohydratum (CAS: 7048-04-6) AJI97 Methodus Test
Lepidium sativum: Confer spectrum ultrarubrum effusio exempli cum illa regulae per modum discus bromide potassium.
Imprimis rotationis [α]D20: specimen siccatum, C=8, 1mol/L HCl
Status Solutionis (Transmittance): 1.0g in 10ml H2O, spectrophotometri, 430nm, 10mm cellulae crassitudinis.
Chloride (Cl): 350mg, B-2
Aconitum (NH4): A-1
Sulfate (SO4): 1.2g, (1), ref: 0.50ml ex 0.005mol/L H2SO4
Ferrum (Fe): 1.5g, ref: 1.5ml de Iron Std.(0.01mg/ml)
Metalla gravia (Pb): 2.0g, (1), pH=7, ref: 2.0ml ex Pb Std.(0.01mg/ml)
Arsenicum (As2O3): 2.0g, (1), ref: 2.0ml de As2O3 Std.
Alia Amino Acides: Test Sample: 50μg, B-6-a, imperium;L-Cys·HCl·H2O 0.25μg
Damnum in siccitate: In vacuo, P2O5, ad locus temperatus pro XX horis.
Residere in Ignitione (Sulfated): AJI Test 13
Intenta: Specimen siccatum, 250mg, 0.05mol/L I2 1ml=15.762mg C3H7NO2S·HCl
PH Test: 1.0g in 100ml de H2O
L-Cysteine Hydrochloridis Monohydratorum (CAS: 7048-04-6) USP35 Test Method
DEFINITIO
Cysteinum hydrochloridum L-Cysteinum Hydrochloridum Monohydratum continet et NLT 98.5% et NMT 101.5% L-Cysteinum Hydrochloridum (C3H7NO2S·HCl), fundamento exsiccato computatum est.
IDENTIFICATIO
A. INFRARED HAUSTUS <197K>
TEMPTATIO
MODO PROCEDENDI
Sample: 250 mg Hydrochloridis cysteini
Blank: Perge uti in Analysis sine Sample.
Systema titrimetricum
(Vide Titrimetrium<541>)
Modus: Residua titration
Titrant: 0.1 N iodine VS
Titrant retro: 0.1 N sodium thiosulfate VS
Endpoint deprehensio: Visual
Analysis: Translatio Sample ad iodi ampullam.Adde 20.0 mL aquae et 4 g potassae iodidi, et misce.Refrigescant solutionem in balnei glaciei, et adde acidum hydrochloricum 5 mL 3 et 25.0 mL 0,1 N iodine VS.Inserta spissamentum, et permitte in tenebris stare per 20 min.Titrate excessus iodi cum titrant aversae.Adde 3 mL star ch TS ut aditur terminus.Per formam blank determinatio.Recipis cysteinum hydrochloridis (C3H7NO2S·HCl) in Sample sumptum:
Exitus = {[(VB VS) N F]/W} 100
VB = volumen titranti Back absumi Blank (mL)
VS = Tomum titranti Back consumpsit Sample (mL)
N = normalitas titrant Back (mEq/mL)
F= factor equivalency, 157.6 mg/mEq
W = Sample pondus (medicamentum)
Acceptatio criteria: 98.5%~ 101.5% in fundamento exsiccato
IMPURITIES
RESIDUEON DE IGNITIONE <281>: NMT 0.4%
CHLORIDE ET SULFATE, Sulfate <221>
Solutio Standard: 0.10 mL ex 0.020 Acidi sulphurici N
Sample: 0.33 g Cysteine Hydrochloridis
Acceptatio criteria: NMT 0.03%
FERRUM <241>: NMT 30ppm
GRAVALIS METALS, Methodus I <231>: NMT 15ppm .
COGNATUS COMPONS
Solutio N-Ethylmaleimide: 40 mg/mL ex N-ethylmaleimide in alcohole
Solutio generum stirpis: Solve 20 mg de USP L-Cysteinum hydrochloridum RS in 10.0 mL aquae.Adde 10.0 mL solutionis N-ethylmaleimidis, et misce.Patitur solutionem stare pro 5 min ante usura.
Solutio mensurae vexillum: 0.05 mg/mL solutionem in aqua ex Standard stirpe.[NOTA-Haec solutio retrahitur aequipollens 0.5% illius solutionis Samplei.]
Solutio aptabilitas systematis: Transfer 10 mg USP L-Tyrosinae RS et 10 mL solutionis stirpis Standardi ad 25-mL lagena voluminis.Aquam ad volubilis temperandum.
Solu- tio specimen stirpis: Transfer 0.2 g Hydrochloridis Cysteini ad 10-mL lagena voluminis, dissolve, et aqua diluta ad volumen.
Sample solutio: Ad 5.0 mL solutionis Samplei generis solutionem adde 5.0 mL solutionis N-ethylmaleimidis, et misce.Patitur solutionem stare pro 5 min ante usura.
Systema chromatographicum (Vide Chromatographia <621>, chromatographia Thin-Layer.)
Modus: TLC
Adsorbent: 0.25-mm iacuit chromatographico silicae gel mixtionis
Applicationem voluminis: 5μL
Solvendo ratio explicandi: Butyl alcohol, acidum glaciale aceticum, et aqua (3:1:1)
Imbre reagens: 2 mg/mL ninhydrin in mixtione alcoholi butyl et 2N acidi acetici (95:5).
Ratio convenientia
Opportunitas requisita: solutio chromatogramma Systematis convenientia ostendit duas maculas distincte separatas.
Analysis
Exempla: Solutio Standard, solutio ratio convenientiae, et solutionis Sample.
Post laminam aer exsiccans, imbre cum Spray gerente, et calor inter 100° et 105° pro 15 min.Discute laminam sub lumine albo.
Criteria acceptationis: Quaelibet macula secundaria solutionis Sample non maior vel intensior est quam macula principalis solutionis Standardi.
Singulae immunditiae: NMT 0.5%
Totalis immunditiae: NMT 2.0%
IN SPECIE TESTS
ROTATIO OPTICALIS, Rotatio Imprimis <781S>
Sample solutio: 80 mg/mL in 6 N acidum hydrochloricum
Criteria acceptationis: +5.7° ad +6.8°
LOSSON EXsiccatio <731>: Exemplum sicca in cella temperie ad pressionem non excedentem 5 mm mercurii pro 24 h: amittit 8.0%~12.0% sui ponderis.
ADDITICIUS REQUISITIS
PACKAGING and storage: Conserva in vasis bene clausis.
USP Reference STANDARDS <XI>
USP L-Cysteine Hydrochloride RS
USP L-Tyrosine RS
Quam mercari?Quaeso contactumDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Annorum Usus?Plus quam XV annos experientiae habemus in fabricando et exportando amplis intermediis pharmaceuticis vel alchimicis pharmaceuticis amplis.
Mercatus principalis?Vendere mercatum domesticum, Americam septentrionalem, Europam, Indiam, Coream, Iaponicam, Australiam etc.
Commodi?Superior qualitas, parabilis pretium, officia professionalia et subsidia technica, ieiunium partus.
Qualitasfides?Qualitas strictioris temperantiae ratio.Pro instrumento analysi professionali includuntur NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Claritas, Solubilitas, Microbialis limes test, etc.
Exempla?Pleraque producta praebent exempla gratuita pro qualitate aestimationis, sumptus naviculas a clientibus solvendos.
Factory Audit?Factory audit gratissimum.Quaeso ante constitutum.
MOQ?Nec MOQ.Parvus ordo placet.
Tempus adferendi? Si intus prosapia, tres dies partus praestatur.
Transportatio?Per Express (FedEx, DHL), ab Air, per Mare.
Documenta?Post servitium venditionis: COA, MOA, ROS, MSDS, etc. praeberi possunt.
Consuetudo Synthesis?Consuetudo synthesis officia praebere potest ad optimas investigationes tuas necessitates aptandas.
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L-Cysteinum hydrochloridum Monohydratum (H-Cys-OH·HCl·H2O) (CAS: 7048-04-6) sal aqua solutum est amino acidi L-cysteini non essentialis.In regionibus medicinalibus, cibi processus, nutritionis supplementum, antioxidantis, color retentionis agentis, studii biologici, materiae chemicae industriae et sic porro usus est.Pellentesque suscipit enim id faucibus fermentum.Formam glutelini promovet et senescere prohibet.Usus etiam in medicamine.Vitaminum C oxydatum arcendi succus in fructu naturali adhibetur.Detoxification est venenum acrylonitrilis acidum aromaticum.Ponitur pro tuenda contra laesionem radiorum et curationem bronchitis et sputum liquefactum.L-Cysteine Hydrochloride Monohydratemaxime usus est in medicinali: medicamentum productum potest tractare leukopenia et leukopenia causata ex administratione medicamentorum anticancri et medicamentorum radioactivorum cinematographicorum.Est antidotum veneficii metalli gravis.Solet etiam tractare toxica hepatitis, thrombocytopenia, cutis ulcera, ne iecoris necrosis praecaveatur, et effectus tractandi tracheitis et excreationes habet.Food grade: nutritional supplement, facilisis.Panis emendatio, fermentum promovere, oxidatio prohibere.In ciborum aspectus, ut panis ruina accelerator, panis et cibi saporem mutare potest.Est hygroscopic.oxidatio tarda et dissolutio in aere.Solutum in aqua.
