I-L-Cystine CAS 56-89-3 (H-Cys-OH)2 Assay 98.5~101.0% (Titration) Ikhwalithi ephezulu Yefektri
I-Shanghai Ruifu Chemical Co., Ltd. ingumkhiqizi oholayo nomphakeli we-L-Cystine, (H-Cys-OH)2, (CAS: 56-89-3) enekhwalithi ephezulu.Njengomunye wabahlinzeki abakhulu bama-amino acid e-China, i-Ruifu Chemical ikhiqiza ama-amino acid afanelekayo kanye nokuphuma kokunye kuze kufike kumazinga omhlaba, njenge-AJI, i-USP, i-EP, ne-FCC standard.Singahlinzeka ngokudiliva emhlabeni wonke, amanani amancane futhi ngobuningi atholakalayo.Thenga i-L-Cystine, Sicela uthinte:alvin@ruifuchem.com
| Igama Lekhemikhali | I-L-cystine |
| Omqondofana | L-(-)-Cystine;(H-Cys-OH)2;I-Laevo-cystine;(-)-cystine;(-)-3,3'-Dithiobis(2-Aminopropanoic Acid);3,3'-Dithiobis-L-Alanine |
| Isimo Sesitoko | Esitokweni, Amandla Okukhiqiza Amathani angu-2000 ngonyaka |
| Inombolo ye-CAS | 56-89-3 |
| I-Molecular Formula | I-C6H12N2O4S2 |
| Isisindo samangqamuzana | 240.29 |
| I-Melting Point | >240℃(dec.) (lit.) |
| Iphuzu elibilayo | 468.2±45.0℃ |
| Ukuminyana | 1.68 |
| Ukuncibilika | Ayincibiliki emanzini, i-Ethanol ne-Ether.Incibilika ku-Dilute Hydrochloric Acid |
| Ukuncibilika ku-HCl | Cishe Ukungafihli |
| Isikhathi Sokugcina. | Ivalwe Komile, Isitolo Emazingeni Okushisa Egumbi |
| I-COA ne-MSDS | Iyatholakala |
| Ukwahlukanisa | Ama-Amino Acids kanye Neziqephu |
| Ibhrendi | I-Ruifu Chemical |
| Amakhodi Wengozi | Xi,Xn | I-RTECS | I-HA2690000 |
| Izitatimende Zobungozi | 36/37/38-22 | Inothi Lengozi | Iyacasula |
| Izitatimende Zokuphepha | 26-36-24/25 | I-TSCA | Yebo |
| I-RIDADR | 2811 | Iqembu Lokupakisha | III |
| I-WGK Germany | 3 | Ikhodi ye-HS | 2930901000 |
| Izinto | Amazinga Wokuhlola | Imiphumela |
| Ukubukeka | Amakristalu Amhlophe noma I-Crystalline Powder, Ayinambitheki | Kuyavumelana |
| Ukuhlonza | I-Infrared Absorption Spectrum | Kuyavumelana |
| Ukuzungezisa Okuthile [α]20/D | -218.0° ukuya -224.0°(C=2, 1N HCl) | -218.6° |
| Isimo Sesixazululo (I-Transmittance) | Icacile futhi Ayinambala ≥98.0% | 98.5% |
| I-Chloride (Cl) | ≤0.020% | <0.020% |
| I-Sulfate (SO4) | ≤0.020% | <0.020% |
| I-Ammonium (NH4) | ≤0.020% | <0.020% |
| Insimbi (Fe) | ≤10ppm | <10ppm |
| Izinsimbi Ezisindayo (Pb) | ≤10ppm | <10ppm |
| I-Arsenic (As2O3) | ≤1.0ppm | <1.0ppm |
| Amanye ama-Amino Acids | I-Chromatographically Ayitholakali | Kuyavumelana |
| Ukulahlekelwa Ekumisweni | ≤0.20% | 0.10% |
| Izinsalela ekushiseni | ≤0.10% | 0.04% |
| Isivivinyo | 98.5 kuya ku-101.0% (Titration: Isisekelo Esingenamanzi) | 99.8% |
| Ukuhlolwa kwe-pH | 5.0 kuye ku-6.5 | 5.6 |
| Umsuka | Umthombo Ongewona Wesilwane | Kuyavumelana |
| Izincibilikisi Ezisele | Kuyavumelana | Kuyavumelana |
| Isiphetho | Ngokuvumelana Nezinga le-AJI92;I-USP37 | |
| I-Shelf Life | Izinyanga ezingama-24 Kusuka Kudethi Yokukhiqiza Uma Igcinwe Ngokufanelekile | |
| Ukusetshenziswa Okuyinhloko | Ama-amino Acids;Izithasiselo Zokudla;Pharmaceutical Intermediates | |
Iphakheji: Ibhodlela eliFluorinated, 25kg/bag, 25kg/Cardboard Drum, noma ngokwezidingo zekhasimende.
Isimo Sesitoreji:Gcina ezitsheni ezivaliwe endaweni epholile, eyomile futhi engenamoya kude nezinto ezingahambelani.Vikela ekukhanyeni nakumswakama.
INCAZELO
I-Cystine iqukethe i-NLT 98.5% kanye ne-NMT 101.5% ye-C6H12N2O4S2, njenge-L-Cystine, ibalwe ngokomisiwe.
UKUKHOMBA
A. UKUMUMVA OKUTHI INFRARED <197K>
B. UKUZUNGUZA KWE-OPTICAL, Ukuzungezisa Okuqondile <781S>: -215 kuya ku-225, kunqunywa ku-20°
Isixazululo sesampula: 20 mg/mL, ku-1 N hydrochloric acid
C. Inani le-RF lendawo eyinhloko yesisombululo Sesampula ekuhlolweni Kokungcola Kwezinto Eziphilayo lihambisana nalelo lesixazululo Esijwayelekile.
ISIVIVINYO
INQUBO
Isixazululo esiyisampula: Dlulisa cishe u-0.1 g we-Cystine eflaskini elimiswe ingilazi, bese uhlakazeka ngengxube engu-2 mL we-dilute sodium hydroxide (1 ku-20) kanye no-10 mL wamanzi.Engeza u-10 mL wesixazululo se-potassium bromide (200 g/L emanzini), 50.0 mL ka-0.1 N potassium bromate VS, kanye no-15 mL we-dilute hydrochloric acid (17 ku-100).
Ngokushesha faka isivalo eflaskini, bese upholisa emanzini okugeza e-ice.Vumela ume uvikelekile ekukhanyeni imizuzu eyi-10.
Isistimu ye-Titrimetric
(Bheka i-Titrimetry <541>)
Imodi: I-titration eyinsalela
I-Titrant: 0.1 N potassium bromate VS
I-Back-titrant: 0.1 N sodium thiosulfate VS
Ukutholwa kwendawo yokugcina: Colorimetric
Ukulingana: I-mL ngayinye ye-0.1 N potassium bromate VS ilingana no-2.403 mg we-C6H12N2O4S2 ngokomisiwe.
Ukuhlaziya: Engeza u-1.5 g we-iodide ye-potassium, futhi ngemva komzuzu ongu-1, titrate nge-0.1 N sodium thiosulfate VS, usebenzisa isitashi TS njengenkomba.Yenza isinqumo esingenalutho, futhi wenze noma yikuphi ukulungisa okudingekayo.
Indlela yokwamukela: 98.5%~101.5% ngokomisiwe
UKUNGCOLA
Ukungcola Okungaphili
ISAZISO EKUSHIYENI <281>: NMT 0.1%
I-CHLORIDE NE-SULFATE, I-Chloride <221>: NMT 200 ppm.Ingxenye engu-0.7-g ibonisa ukuthi ayisekho i-chloride ehambisana no-0.40 mL ka-0.01 N hydrochloric acid.
I-CHLORIDE NE-SULFATE, i-Sulfate <221> NMT 200 ppm.Ingxenye engu-1.2-g ayibonisi i-sulfate engaphezu kwe-0.25 mL ka-0.020 N sulfuric acid.
I-IRON <241>: NMT 10ppm
IZINSIMBI EZISINDAYO, Indlela I <231>: NMT 10ppm
Ukungcola Okuphilayo
INQUBO
Isixazululo esijwayelekile: Chaza ubuningi be-USP Cystine RS ku-1 N hydrochloric acid, bese uhlanza ngamanzi ukuze uthole isixazululo esinokugxila okwaziwayo okungaba ngu-0.02 mg/mL.
Isixazululo esiyisampula: Chaza isamba se-Cystine ku-1 N hydrochloric acid, bese uhlanza ngamanzi ukuze uthole isixazululo esinokugxila okwaziwayo okungaba ngu-10 mg/mL.
Isixazululo sokufaneleka kwesistimu: Chaza amanani e-USP Cystine RS ne-USP Arginine Hydrochloride RS ku-1 N hydrochloric acid, bese uwaxuba ngamanzi ukuze uthole isixazululo esinokugxila okwaziwayo okungaba ngu-0.4 mg/mL ngayinye.
Isistimu ye-Chromatographic (Bona i-Chromatography <621>, i-Thin-Layer Chromatography.)
Imodi: TLC
I-Adsorbent: 0.25-mm ungqimba lwengxube yejeli yesilica yechromatographic
Ivolumu yohlelo lokusebenza: 5μL
Ukuthuthukisa uhlelo lokuncibilikisa: Ingxube ye-ammonia ne-2-propanol (3:7)
I-reagent yokufutha: Chaza u-0.2 g we-ninhydrin ku-100 mL wengxube ye-butanol no-2 N acetic acid (95:5).
Ukuhlaziya
Amasampula: Isixazululo esijwayelekile, isixazululo sesampula, nesixazululo sokufaneleka kwesistimu
Qhubeka njengoba kuqondiswe ku-Chromatography <621>, Thin-Layer Chromatography.Ngemva kokumisa ipuleti ngomoya, fafaza nge-Spray reagent, bese ushisa phakathi kuka-100° no-105° imizuzu engu-15.Hlola ipuleti.Ichromatogram evela kusixazululo sokufaneleka Kwesistimu ibonisa izindawo ezimbili ezihlukene ngokusobala.
Imibandela yokwamukela: Noma iyiphi indawo yesibili evela kusixazululo Sesampuli ayinkulu noma iqine kakhulu kunendawo eyinhloko yesisombululo Esivamile.
Ukungcola komuntu ngamunye: NMT 0.2%
Ukungcola okuphelele: NMT 2.0%
IZIVIVINYO EZITHILE
I-LASSSON EKOMENI <731>: Yomisa isampula ku-105℃ amahora angu-3: ilahlekelwa yi-NMT ngo-0.2% wesisindo sayo.
IZIDINGO EZENGEZIWE
UKUPAKASHWA KANYE NESIGCINI: Londoloza ezitsheni ezivalwe kahle, futhi ugcine endaweni enezinga lokushisa elilawulwayo.
I-USP REFERENCE AMAZINGA <11>
USP Arginine Hydrochloride RS
USP Cystine RS
Indlela Yokuthenga?Sicela uxhumaneDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Iminyaka engu-15 Yokuhlangenwe nakho?Sinesipiliyoni seminyaka engaphezu kwe-15 ekwakhiweni nasekuthumeleni kwamanye amazwe uhla olubanzi lwezinga eliphezulu lokuxhumanisa imithi noma amakhemikhali amahle.
Izimakethe Eziyinhloko?Thengisa emakethe yasekhaya, eNyakatho Melika, eYurophu, eNdiya, eKorea, eJapane, e-Australia, njll.
Izinzuzo?Ikhwalithi ephezulu, intengo ethengekayo, izinsizakalo ezichwepheshile nokusekelwa kobuchwepheshe, ukulethwa okusheshayo.
IkhwalithiIsiqiniseko?Isistimu yokulawula ikhwalithi eqinile.Imishini yobuchwepheshe yokuhlaziya ifaka i-NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, NOMA, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, njll.
Amasampula?Imikhiqizo eminingi inikeza amasampula wamahhala wokuhlolwa kwekhwalithi, izindleko zokuthumela kufanele zikhokhelwe amakhasimende.
Ukuhlolwa Kwemboni?Wamukelekile ekucwaningweni kwemboni.Sicela wenze i-aphoyintimenti kusengaphambili.
I-MOQ?Ayikho i-MOQ.I-oda elincane liyamukeleka.
Isikhathi sokuthumela? Uma kungaphakathi kwesitoko, ukulethwa kwezinsuku ezintathu kuqinisekisiwe.
Ezokuthutha?By Express (FedEx, DHL), by Air, by Sea.
Amadokhumenti?Ngemuva kwenkonzo yokuthengisa: I-COA, i-MOA, i-ROS, i-MSDS, njll.
Custom Synthesis?Ingahlinzeka ngezinsizakalo zokwenziwa ngokwezifiso ukuze zilingane kangcono nezidingo zakho zocwaningo.
Imigomo Yokukhokha?I-invoyisi ye-Proforma izothunyelwa kuqala ngemva kokuqinisekiswa kwe-oda, kufakwe nemininingwane yethu yasebhange.Inkokhelo nge-T/T (Telex Transfer), PayPal, Western Union, njll.
I-L-Cystine, (H-Cys-OH)2, (i-CAS: 56-89-3) iyi-amino acid enesulfure.1. I-L-Cysteine ine-detoxification ephumelelayo.2. I-L-Cysteine ingakwazi ukuvimbela nokwelapha ngempumelelo ukulimala kwemisebe.3. I-LCysteine ingasusa i-melanin yesikhumba ngokwayo, iguqule isimo sesikhumba ngokwayo, isikhumba sibe mhlophe ngokwemvelo.Kuwuhlobo lwezimonyo ezilungile zemvelo ezimhlophe.4. I-L-Cysteine ingathuthukisa izimpawu zokuvuvukala nokungezwani komzimba nesikhumba.5. I-L-Cysteine ku-horny skin disease nayo iyi-hypertrophy ephumelelayo.6. I-L-Cysteine inomsebenzi wokuvimbela ukuguga kwezinto eziphilayo.7. I-Cysteine iwuhlobo lwe-amino acid yemvelo, inokusetshenziswa okuningi ekucubunguleni ukudla, isetshenziselwa ikakhulukazi imikhiqizo yokubhaka, njengengxenye edingekayo yokuthuthukisa inhlama.8.Ngocwaningo lwe-biochemical.Lungiselela i-biological culture medium.Isetshenziswa ocwaningweni lwe-biochemistry kanye nokudla okunomsoco.Emithi, ingakhuthaza ukusebenza kwe-oxidation nokunciphisa amangqamuzana omzimba, ukwandisa amangqamuzana egazi amhlophe futhi kuvimbele ukuthuthukiswa kwamagciwane e-pathogenic.Isetshenziselwa ikakhulukazi i-alopecia ehlukahlukene.Ibuye isetshenziselwe izifo ezithathelwanayo eziyingozi ezifana ne-dysentery, typhoid, influenza, isifuba somoya, i-neuralgia, i-eczema kanye nezifo ezihlukahlukene ezinobuthi, futhi idlala indima ekugcineni ukucushwa kwamaprotheni.Ibuye isetshenziswe njenge-ejenti yokunambitha ukudla.9. I-Reagent ye-Biochemical, esetshenziselwa ukulungisa isiko lezinto eziphilayo.Kubuye kube yingxenye ebalulekile yokufakwa kwe-amino acid kanye nokulungiswa kwe-amino acid ehlanganisiwe.10. Njengesithuthukisi sokudla okunomsoco, kuyasiza ekukhuleni kwezilwane, ukwandisa isisindo somzimba, ukusebenza kwesibindi nezinso futhi kuthuthukise izinga loboya.11. Ingasetshenziswa njengesithako sezimonyo ukukhuthaza ukuphulukiswa kwesilonda, ukuvimbela ukungezwani kwesikhumba nokwelapha i-eczema.
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