L-Cysteine Methyl Ester Hydrochloridis CAS 18598-63-5 (H-Cys-OMe·HCl) Assay 98.5~101.0% Factory
Shanghai Ruifu Chemical Co., LtdRuifu chemical seriem amino acidarum et derivatorum supplet.Producta nostra in Europam, USA, Australia, Southeast Asia, aliisque regionibus exportantur, a clientibus penitus creditae.Praebere possumus terrarum traditionem, pretium competitive, quantitates parvas et parvas in promptu.Purchase L-Cysteine Methyl Ester Hydrochloridis,Please contact: alvin@ruifuchem.com
| Nomen chemicum | L-Cysteine Methyl Ester Hydrochloride |
| Synonyma | H-Cys-OMe·HCl;L-Cys-OMe HCl;L-Cysteine Methyl Ester HCl;Laevo-Cysteine Methyl Ester Hydrochloride;L-Cysteine Methyl Ester Monohydrochloride;Mecysteine Hydrochloride;(R) -Cysteine Methyl Ester Hydrochloride;Methyl (R) -2-Amino-3-Mercaptopropanoate Hydrochloride;Methyl L-Cysteinate Hydrochloride;Methyl Cysteine hydrochloride |
| Stock Status | In Stock, Productio Capacity 20 Tons per Month |
| CAS Number | 18598-63-5 |
| Formulae hypotheticae | C4H9NO2S·HCl |
| M. Pondus | 171.64 |
| Liquescens punctum | 138.0~141.0℃(decl.)(lit.) |
| Aqua Solubility | Valde solutum in aqua, circa 100 g/100g (25℃), diaphanum fere |
| Solubilitas | Solubile in aqua, Solutum in Methanol, Solutum in Ethanol, Insolubile in Ether.Leviter Hygroscopoc Property. |
| Repono Nativ. | Signatus in siccis, Store in Room Temperature |
| COA & MSDS | Praesto |
| Classification | Amino Acids et Derivatives |
| Brand | Ruifu Chemical |
| Periculum Codes | XI - Irritant | RTECS | HA2460000 |
| Periculum Denunciationes | 36/37/38 | F | 1-10 |
| Salus Denunciationes | 26-36-37/39 | HS Code* | 2930909099 |
| WGK Germania | 2 |
| Items | Signa inspectionis | Proventus |
| Aspectus | Crystalli albi vel Crystallini pulveris;Leviter Proprium Gustus | Conforms |
| Imprimis rotationis [α]20/D | -1.5° ad -3.5°(C=20 in MeOH) | -2.5° (C=20 in MeOH) |
| Status Solutio (Transmittance) | Patet et hyalina ≥98.0% | 98.3% |
| Liquescens punctum | 138.0~141.0℃ | 138.0~ 138.8℃ |
| Chloride (Cl) | 20.35~20.87% | Conforms |
| Sulfate (SO4) | ≤0.048% | <0.048% |
| Aconitum (NH4) | ≤0.020% | <0.020% |
| Metalla gravia (Pb) | ≤10ppm | <10ppm |
| Arsenicum (As2O3) | ≤1.0ppm | <1.0ppm |
| Alia Amino Acids | Conforms | Conforms |
| Damnum in Siccatio | ≤0.40% | 0.35% |
| Residere in Ignition (Sulfated) | ≤0.10% | 0.09% |
| Assay | 98.5 ad 101.0% | 99.3% |
| PH Precium | 2.9 ad 3.8 (1.0g in 20ml H2O) | 3.1 |
| conclusio | This Product by Inspection Concording with the Standard of AJI97 | |
L-Cysteine Methyl Ester Monohydrochloridis exsiccata, non minus quam 98.5 centesimas continet nec plus quam 101.0 cento L-Cysteine Methyl Ester Monohydrochloridis (C4H9NO2S·HCl).
Description: Crystalla alba, vel pulveris crystallina, gustus leviter propria
Aqua solubilis, in methanolo libere solubilis, in ethanolo solubilis, in aethere fere insolubilis.Leviter hygroscopoc proprietas.
Solubilitas (H2O, g/100g): circa 100 (25℃)
Lepidium sativum: (1) Ad 2ml solutionis Cysteinae Methyl Ester Monohydrochloridis (1 →200) 1ml pyridini et 1ml ninhydrin TS (2%) adde;rubens color prodit.
(2) Ad 5ml solutionis Cysteinae Methyl Ester Monohydrochloridis (1 →100) addendi chloridi ferrici diluti TS;color caeruleus nascitur et paulatim in viridem mutatur.
(3) Ad 5ml solutionis Cysteinae Methyl Ester Monohydrochloridis (1 →100) paucas guttas sulfatis cuprici TS adde;producitur color pallide flavus et color ruber-violaceus producitur additis guttis plurium sulfatis cupricii TS
(4) Ad solutionem Cysteine Methyl Ester Monohydrochloridis (1 →100) acidum sulphuricum et kalium permanganatum et calorem adde;gas chlorinum evolvit mutationes potassae iodi chartae amyli aqua caeruleae madefactae.
Imprimis rotationis [α]20/D: specimen siccatum, C=20, methanolum
Status Solutionis (Transmittance): 1.0g in 10ml H2O, spectrophotometri, 430nm, 10mm cellulae crassitudinis.
Chloride (Cl): specimen siccatum, 340mg, B-2
Aconitum (NH4): A-1
Sulfate (SO4): 0.50g, (1), ref: 0.50ml ex 0.005mol/L H2SO4
Metalla gravia (Pb): 2.0g, (1), ref: 2.0ml of Pb Std.(0.01mg/ml)
Arsenicum (As2O3): 2.0g, (1), ref: 2.0ml de As2O3 Std.
Alia Amino Acides: Test Sample: 10μg, PA-P1, imperium;L-Cys.HCl.H2O 0.1μg
Damnum in siccitate: In vacuo, P2O5, ad locus temperatus pro 5 horis.
Residere in Ignitione (Sulfated): AJI Test 13
Dico: Iodometria
PH: 1.0g in 20ml H2O
Exustio Point: AJI Test 36
Repono limitem et conditionem commendatur: Praeservata continentia stricta ad locus temperatus sobrie (1/2 annis).
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.Ab aestu defende.Reponunt ab oxidizing agentium.
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.
Pensio conditio?Proforma cautionis primum post confirmationem ordinis mittetur, informationes nostrae ripae inclusas.Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
Function and application of L-Cysteine Methyl Ester hydrochloridi (H-Cys-OMe·HCl) (CAS: 18598-63-5)
1. Amino acida et derivata, in synthesi peptide adhibita, synthesis organica intermedia, intermedia pharmaceutica, reagentia biochemica, reagentia chemica.
2. L-Cysteine Methyl Ester hydrochloridum est agens mucolyticum.Medicamentum efficax ad defectum curationis hepatis.Ostensa efficaciter inhibere ligationem metabolitorum ethynylestradiolorum ad acida interdum et nucleica.
3. Hydrochloridis L-Cysteine Methyl Ester hydrochloride biochemico ostenditur inhibere ligationem metabolitarum ethynylestradiolorum ad interdum et acida nucleica.Usus est in synthesi peptidum, Praeparatio thiazolidine-carboxylatorum cum compositis carbonylis.
4. L-Cysteine Methyl Ester Hydrochloridum antitussivum est et agentis expectorantis, ad difficultates respirationis ex muco causatas levandas adhibita.
5. L-Cysteine Methyl Ester Hydrochloride in agro medicinae maxime adhibetur: medicamentum factum amet leukopenia et leukopenia tractare potest ex administratione medicamentorum anticancri et medicamentorum chemicorum radioactivi, antidotum ad veneficii metalli gravem, atque etiam adhibetur. toxica hepatitis, thrombocytopenia, cutis ulcera, ne necrosis hepatica, curandi bronchitis et pituita solvendis effectum habet.
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