L-Cystine CAS 56-89-3 (H-Cys-OH)2 Assay 98.5~101.0% (Titration) Factory High Quality
I-Shanghai Ruifu Chemical Co., Ltd. ngumenzi ohamba phambili kunye nomthengisi we-L-Cystine, (H-Cys-OH) 2, (i-CAS: 56-89-3) enomgangatho ophezulu.Njengomnye wababoneleli abakhulu be-amino acids e-China, i-Ruifu Chemical yenza ii-amino acids ezifanelekileyo kunye nezinto eziphuma kuzo ukuya kufikelela kwimigangatho yamazwe ngamazwe, njenge-AJI, i-USP, i-EP, kunye nomgangatho we-FCC.Sinokubonelela ngeenkonzo zehlabathi, ezincinci kunye nezixa ezininzi ezikhoyo.Thenga i-L-Cystine, Nceda uqhagamshelane:alvin@ruifuchem.com
| Igama leMchiza | L-cystine |
| Izithethantonye | L-(-)-Cystine;(H-Cys-OH)2;iLaevo-Cystine;(-)-cystine;(-)-3,3'-Dithiobis (2-Aminopropanoic Acid);3,3'-Dithiobis-L-Alanine |
| Ubume beStokhwe | KwiSitokhwe, Umthamo weMveliso iiToni ezingama-2000 ngonyaka |
| Inombolo yeCAS | 56-89-3 |
| Ifomula yeemolekyuli | I-C6H12N2O4S2 |
| Ubunzima beMolekyuli | 240.29 |
| Indawo yokunyibilika | >240℃(dec.) (lit.) |
| Indawo yokubilisa | 468.2±45.0℃ |
| Ukuxinana | 1.68 |
| Ukunyibilika | Ayinyibiliki kuManzi, i-Ethanol kunye ne-Ether.Inyibilika kwi-Dilute Hydrochloric Acid |
| Ukunyibilika kwi-HCl | Phantse Ukungafihli |
| Ugcino Temp. | Itywinwe kwindawo eyomileyo, iVenkile kwindawo yobushushu beGumbi |
| I-COA kunye ne-MSDS | Iyafumaneka |
| Ukuhlelwa | IiAmino Acids kunye nezinto eziphuma kuyo |
| Uphawu | Ruifu Chemical |
| Iikhowudi zeNgozi | Xi,Xn | RTECS | HA2690000 |
| Iingxelo zoMngcipheko | 36/37/38-22 | Inqaku Lengozi | Iyacaphukisa |
| Iingxelo zoKhuseleko | 26-36-24/25 | I-TSCA | Ewe |
| I-RIDADR | 2811 | Iqela lokuPakisha | III |
| WGK eJamani | 3 | Ikhowudi ye-HS | 2930901000 |
| Izinto | ImiGangatho yokuHlola | Iziphumo |
| Imbonakalo | IiCrystals eziMhlophe okanye umgubo weCrystalline, ongenancasa | Iyahambelana |
| Ukuchongwa | I-Infrared Absorption Spectrum | Iyahambelana |
| Ukujikeleziswa okuthe ngqo [α]20/D | -218.0 ° ukuya -224.0°(C=2, 1N HCl) | -218.6 ° |
| Imeko yesisombululo (iTransmittance) | Icacile kwaye ayinaMbala ≥98.0% | 98.5% |
| Ikloridi (Cl) | ≤0.020% | <0.020% |
| Isulfate (SO4) | ≤0.020% | <0.020% |
| I-Ammonium (NH4) | ≤0.020% | <0.020% |
| Intsimbi (Fe) | ≤10ppm | <10ppm |
| Iintsimbi ezinzima (Pb) | ≤10ppm | <10ppm |
| IArsenic (As2O3) | ≤1.0ppm | <1.0ppm |
| Ezinye iiAmino Acids | IChromatographically ayifumaneki | Iyahambelana |
| Ilahleko ekomisweni | ≤0.20% | 0.10% |
| Intsalela kwi-Ignition | ≤0.10% | 0.04% |
| Isivavanyi | 98.5 ukuya kwi-101.0% (I-Titration: Isiseko esingenamanzi) | 99.8% |
| Uvavanyo lwe-pH | 5.0 ukuya ku-6.5 | 5.6 |
| Imvelaphi | Umthombo ongengowalwanyana | Iyahambelana |
| Izinyibilikisi ezishiyekileyo | Iyahambelana | Iyahambelana |
| Ukuqukumbela | Ngokuvumelana noMgangatho we-AJI92;USP37 | |
| Beka ubomi kwishelufa | Iinyanga ezingama-24 ukusuka kumhla wokuveliswa ukuba zigcinwe ngokufanelekileyo | |
| Usetyenziso oluphambili | IiAmino Acids;Izongezo zokutya;AbaPhakathi bamayeza | |
Iphakheji: Ibhotile eFluorinated, 25kg/bag, 25kg/Cardboard Drum, okanye ngokwemfuno yomthengi.
Imeko yoGcino:Gcina kwizikhongozeli ezivaliweyo kwindawo yokugcina impahla epholileyo, eyomileyo nengena umoya kude nezinto ezingahambelaniyo.Khusela ukukhanya kunye nokufuma.
INGCACISO
I-Cystine iqulethe i-NLT 98.5% kunye ne-NMT 101.5% ye-C6H12N2O4S2, njenge-L-Cystine, ibalwe ngokomisiweyo.
UKUCHAZA
A. UKUFUTSHWA KWE-IFRARED <197K>
B. UKUJONGANA KWE-OPTICAL, Ukujikeleza ngokuthe ngqo <781S>: -215 ukuya ku-225, kunqunywe kwi-20 °
Isisombululo sesampuli: 20 mg / mL, kwi-1 N hydrochloric acid
C. Ixabiso le-RF lendawo ephambili yesisombululo seSampuli kuvavanyo lwe-Organic Impurities ihambelana neso sisombululo soMgangatho.
UVAVANYO
INKQUBO
Isisombululo sesampuli: Dlulisa malunga ne-0.1 g ye-Cystine kwi-flask-stoppered flask, kwaye inyibilikise kumxube we-2 mL ye-dilute sodium hydroxide (1 kwi-20) kunye ne-10 mL yamanzi.Yongeza i-10 mL yesisombululo se-potassium bromide (200 g / L emanzini), i-50.0 mL ye-0.1 N potassium bromate VS, kunye ne-15 mL ye-dilute hydrochloric acid (17 kwi-100).
Kwangoko faka isivalo kwi-flask, kwaye upholise kwindawo yokuhlambela amanzi e-ice.Vumela ukuma ukhuselwe ekukhanyeni kwi-10 min.
Inkqubo yeTitrimetric
(Jonga i-Titrimetry <541>)
Imowudi: Titration Residual
I-Titrant: 0.1 N potassium bromate VS
I-back-titrant: 0.1 N sodium thiosulfate VS
Ukubonwa kwendawo yokugqibela: Umbala wemibala
Ukulingana: I-mL nganye ye-0.1 N potassium bromate VS ilingana ne-2.403 mg ye-C6H12N2O4S2 kwisiseko esomileyo.
Uhlalutyo: Yongeza i-1.5 g ye-iodide ye-potassium, kwaye emva kwe-1min, i-titrate kunye ne-0.1 N ye-sodium thiosulfate VS, usebenzisa i-starch TS njengesalathisi.Yenza isigqibo esingenanto, kwaye wenze naluphi na ulungiso oluyimfuneko.
Iinqobo zokwamkela: 98.5% ~ 101.5% kwisiseko esomileyo
UBUNGCOLA
Ukungcola Kwezinto Eziphilayo
OKUSELELEYO EKUTSHENI <281>: NMT 0.1%
I-CHLORIDE NE-SULFATE, I-Chloride <221>: NMT 200 ppm.Ingxenye ye-0.7-g ayibonisi i-chloride ngaphezu kokuhambelana ne-0.40 mL ye-0.01 N i-hydrochloric acid.
I-CHLORIDE NE-SULFATE, i-Sulfate <221> NMT 200 ppm.Ingxenye ye-1.2-g ibonisa ukuba akukho sulfate ngaphezu kokuhambelana ne-0.25 mL ye-0.020 N sulfuric acid.
I-IRON <241>: NMT 10ppm
IIMETALI EZINZIMA, Indlela I <231>: NMT 10ppm
Ukungcola Okuphilayo
INKQUBO
Isisombululo esisemgangathweni: Dissolve ubuninzi be-USP Cystine RS kwi-1 N hydrochloric acid, kwaye uhlambulule ngamanzi ukuze ufumane isisombululo esinomlinganiselo owaziwayo malunga ne-0.02 mg / mL.
Isisombululo sesampuli: Nciphisa ubuninzi be-cystine kwi-1 N hydrochloric acid, kwaye uhlambulule ngamanzi ukuze ufumane isisombululo esinoxinzelelo olwaziwayo malunga ne-10 mg / mL.
Isisombululo sokufaneleka kwenkqubo: Dissolve ubuninzi be-USP Cystine RS kunye ne-USP Arginine Hydrochloride RS kwi-1 N hydrochloric acid, kwaye uhlambulule ngamanzi ukuze ufumane isisombululo esinomlinganiselo owaziwayo malunga ne-0.4 mg / mL nganye.
Inkqubo yeChromatographic (Jonga iChromatography <621>, iChromatography eThin-Layer.)
Indlela: TLC
I-Adsorbent: 0.25-mm umaleko we-chromatographic umxube we-silica gel
Umthamo wesicelo: 5μL
Ukuphuhlisa inkqubo ye-solvent: Umxube we-ammonia kunye ne-2-propanol (3: 7)
I-reagent yokutshiza: Chitha i-0.2 g ye-ninhydrin kwi-100 mL yomxube we-butanol kunye ne-2 N acetic acid (95: 5).
Uhlalutyo
Iisampulu: Isisombululo esisemgangathweni, isisombululo seSample, kunye nesisombululo sokufaneleka kweNkqubo
Qhubeka njengoko kuchaziwe kwiChromatography <621>, Thin-Layer Chromatography.Emva kokumisa ipleyiti emoyeni, fafaza nge-Spray reagent, kwaye ushushu phakathi kwe-100 ° kunye ne-105 ° i-15 min.Jonga ipleyiti.Ichromatogram evela kwiSistim yesisombululo sokufaneleka ibonisa amabala amabini ahluke ngokucacileyo.
Iikhrayitheriya zokwamkelwa: Nayiphi na indawo yesibini kwisisombululo seSampuli ayinkulu okanye inamandla kuneyona ndawo iphambili yesisombululo soMgangatho.
Ukungcola komntu ngamnye: NMT 0.2%
Ubumdaka bubonke: NMT 2.0%
IIMVAVANYO EZITHILE
I-LASSON EKOMISI <731>: Yomisa isampuli kwi-105℃ nge-3 h: ilahlekelwa yi-NMT nge-0.2% yobunzima bayo.
IIMFUNO EZONGEZELELWEYO
UKUPAKISHWA NOKUGCINWA: Zigcine kwizikhongozeli ezivalwe kakuhle, uze uzigcine kwiqondo lobushushu elilawulekayo.
IMIGANGATHO YE-USP REFERENCE <11>
USP Arginine Hydrochloride RS
USP Cystine RS
Ukuthenga njani?Nceda uqhagamshelaneDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Amava Eminyaka Eli-15?Sineminyaka engaphezu kwe-15 yamava ekwenziweni nasekuthumeleni kumazwe angaphandle uluhlu olubanzi oluphezulu lwamayeza aphakathi okanye amachiza alungileyo.
Iimarike eziphambili?Thengisa kwimarike yasekhaya, eMntla Melika, eYurophu, eIndiya, eKorea, eJapan, eOstreliya, njl.
Iingenelo?Umgangatho ophezulu, ixabiso elifikelelekayo, iinkonzo zengcali kunye nenkxaso yobugcisa, ukuhanjiswa ngokukhawuleza.
UmgangathoIsiqinisekiso?Inkqubo yokulawula umgangatho ongqongqo.Izixhobo zobuchwephesha zokuhlalutya ziquka i-NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, njl.
Iisampulu?Uninzi lweemveliso zibonelela ngeesampulu zasimahla zokuvavanya umgangatho, iindleko zokuthumela kufuneka zihlawulwe ngabathengi.
Factory Audit?Uphicotho-zincwadi lwasefektri wamkelekile.Nceda wenze idinga kwangaphambili.
MOQ?Akukho MOQ.Umyalelo omncinci wamkelekile.
Ixesha lokuzisa? Ukuba ngaphakathi kwesitokhwe, ukuhanjiswa kweentsuku ezintathu kuqinisekisiwe.
Ezothutho?Nge-Express (FedEx, DHL), ngoMoya, ngoLwandle.
Amaxwebhu?Emva kwenkonzo yokuthengisa: I-COA, i-MOA, i-ROS, i-MSDS, njl.
Udibaniso lweSiko?Inokubonelela ngeenkonzo zesiko lokudibanisa ukuze zilungele iimfuno zakho zophando.
Immimiselo yokuhlawula?I-invoyisi yeProforma iya kuthunyelwa kuqala emva kokuqinisekiswa kwe-odolo, efakwe kwiinkcukacha zethu zebhanki.Intlawulo nge-T / T (i-Telex Transfer), i-PayPal, i-Western Union, njl.
L-Cystine, (H-Cys-OH) 2, (CAS: 56-89-3) i-amino acid enesulfure.1. I-L-Cysteine ine-detoxification esebenzayo.2. I-L-Cysteine inokuthintela ngokufanelekileyo kwaye iphathe ukulimala kwe-radiation.3. I-LCysteine inokususa i-melanin yesikhumba ngokwayo, itshintshe uhlobo lwesikhumba ngokwalo, ulusu luba lumhlophe lwendalo.Luhlobo lwezithambiso ezifanelekileyo zendalo ezimhlophe.4. I-L-Cysteine inokuphucula iimpawu zokuvuvukala kunye ne-skin allergies.5. I-L-Cysteine kwi-horny skin disease nayo i-hypertrophy esebenzayo.6. I-L-Cysteine inomsebenzi wokuthintela ukuguga kwezinto eziphilayo.7. I-Cysteine luhlobo lwe-amino acid yendalo, inokusetyenziswa okuninzi ekusetyenzisweni kokutya, isetyenziselwa ikakhulu kwimveliso yokubhaka, njengenxalenye efunekayo yokuphucula inhlama.8.Kuphando lwe-biochemical.Lungisa indlela yenkcubeko yebhayoloji.Isetyenziswa kwi-biochemistry kunye nophando lwezondlo.Kwiyeza, inokukhuthaza i-oxidation kunye nokunciphisa umsebenzi weeseli zomzimba, ukwandisa iiseli ezimhlophe zegazi kunye nokuthintela ukuphuhliswa kweebhaktheriya ze-pathogenic.Isetyenziswa kakhulu kwiintlobo ezahlukeneyo ze-alopecia.Ikwasetyenziselwa izifo ezosulelayo ezibukhali ezifana ne-dysentery, typhoid, influenza, isifuba, i-neuralgia, i-eczema kunye nezifo ezahlukeneyo zetyhefu, kwaye idlala indima ekugcinweni kweprotheni.Ikwasetyenziswa njenge arhente yokutya.9. I-reagent ye-Biochemical, esetyenziselwa ukulungiswa kwendawo yenkcubeko yebhayoloji.Kwakhona icandelo elibalulekileyo lokunyuswa kwe-amino acid kunye nokulungiswa kwe-amino acid edibeneyo.10. Njengesixhasi sesondlo sesondlo, sikhuthaza ukukhula kwezilwanyana, ukwandisa ubunzima bomzimba, ukusebenza kwesibindi kunye nezintso kunye nokuphucula umgangatho woboya.11. Ingasetyenziswa njengezongezo zokuthambisa ukukhuthaza ukuphiliswa kwesilonda, ukuthintela ukwaliwa kwesikhumba kunye nokunyanga i-eczema.
