D-Histidine CAS 351-50-8 HD-His-OH Assay 98.5 ~ 101.0% Factory
I-Shanghai Ruifu Chemical Co., Ltd. ngumenzi ohamba phambili we-D-Histidine (HD-His-OH) (i-CAS: 351-50-8) enomgangatho ophezulu.I-Ruifu Chemical ibonelela ngothotho lwee-amino acids kunye nezinto eziphuma kuzo.Sinokubonelela ngenkonzo yehlabathi jikelele, ixabiso elikhuphisanayo, ubungakanani obuncinci kunye nobuninzi obukhoyo.Thenga i-D-Histidine,Please contact: alvin@ruifuchem.com
| Igama leMchiza | D-Histidine |
| Izithethantonye | HD-Yakhe-OH;D-Yakhe-OH;I-Dextro-Histidine;(R)-Histidine;(R) -2-Amino-3- (4-Imidazolyl) ipropionic Acid |
| Ubume beStokhwe | KwiSitokhwe, Umthamo weMveliso iiToni ezingama-30 ngenyanga |
| Inombolo yeCAS | 351-50-8 |
| Ifomula yeemolekyuli | C6H9N3O2 |
| Ubunzima beMolekyuli | 155.16 g/mol |
| Indawo yokunyibilika | 280.0~288.0℃ |
| Ukuxinana | 1.423 |
| Ukunyibilika kwamanzi | Inyibilika emanzini, 42 g/L (25℃) |
| Ukunyibilika | 1 M HCl: Inyibilika (50 mg/ml) |
| Ugcino Temp. | Indawo epholileyo neyomileyo (2~8℃) |
| I-COA kunye ne-MSDS | Iyafumaneka |
| Udidi | I-Amino Acids kunye ne-Derivatives |
| Uphawu | Ruifu Chemical |
| Izinto | ImiGangatho yokuHlola | Iziphumo |
| Imbonakalo | Umgubo weCrystalline oMhlophe | Iyahambelana |
| Ukuchongwa | Iyahlangabezana neMfuneko | Iyahambelana |
| Ukujikeleziswa okuthe ngqo [α]20/D | +36.5° ukuya +40.5° (C=2, H2O) | + 38,2 ° |
| Ikloridi (Cl) | ≤0.020% | <0.020% |
| Isulfate (SO4) | ≤0.020% | <0.020% |
| I-Ammonium (NH4) | ≤0.020% | <0.020% |
| Iintsimbi ezinzima (Pb) | ≤10ppm | <10ppm |
| Intsimbi (Fe) | ≤10ppm | <10ppm |
| IArsenic (As2O3) | ≤1ppm | <1ppm |
| Ilahleko ekomisweni | ≤0.20% | 0.15% |
| Intsalela kwi-Ignition | ≤0.10% | 0.06% |
| Ezinye iiAmino Acids | ≤0.50% | <0.50% |
| Isivavanyi | 98.5%~101.0% | 99.54% |
| pH | 7.0~8.5 | 7.6 |
| Ukuqukumbela | Imveliso ivavanyiwe kwaye iyahambelana neenkcukacha | |
Iphakheji: Ibhotile eFluorinated, iAluminium foil bag, 25kg/Cardboard Drum, okanye ngokwemfuno yomthengi.
Imeko yoGcino:Gcina kwizikhongozeli ezivaliweyo kwindawo yokugcina impahla epholileyo neyomileyo (2~8℃) kude nezinto ezingahambelaniyo.Khusela ukukhanya kunye nokufuma.
pH
thatha i-1.0g yale mveliso, yongeza i-50ml yamanzi ukunyibilika, kwaye uyilinganise ngokomthetho (umgaqo Jikelele 0631).Ixabiso le-pH kufuneka libe yi-7.0 ~ 8.5.
Ukuhanjiswa kwesisombululo
Thatha i-0.60g yale mveliso, yongeza amanzi i-20ml ukuchithwa, ngokwe-UV-visible spectrophotometry (umgaqo jikelele we-0401), ukulinganisa ukuhanjiswa kwi-430nm wavelength, kungabi ngaphantsi kwe-98.0%.
I-Chloride
Thatha i-0.25g yale mveliso kwaye uyijonge ngokomthetho (umgaqo jikelele we-0801).Xa kuthelekiswa nesisombululo solawulo esenziwe nge-0.02% yesisombululo se-sodium chloride eqhelekileyo, akufanele igxininise ngakumbi ().
Sulfate
Thatha i-1.0g yale mveliso kwaye uyijonge ngokomthetho (umgaqo jikelele we-0802).Xa kuthelekiswa nesisombululo solawulo esenziwe nge-0.02% yesisombululo esiqhelekileyo se-potassium sulfate, akufanele sigxininise ngakumbi ().
Ityuwa ye-ammonium
thatha i-0.10g yale mveliso kwaye uyijonge ngokomthetho (umgaqo jikelele we-0808).Xa kuthelekiswa nesisombululo solawulo esenziwe nge-0.02% yesisombululo se-ammonium chloride eqhelekileyo, ayiyi kuba nzulu ().
Ezinye iiAmino Acids
thatha isixa esifanelekileyo sale mveliso, yongeza amanzi ukuze unyibilike kwaye uhlambulule ukwenza isisombululo esiqulethe malunga ne-10 mg nge-lml njengesisombululo sovavanyo;Thatha i-1ml yokulinganisa ngokuchanekileyo kwaye uyibeke kwi-flask yokulinganisa i-200ml, ihlambulule ukulinganisa ngamanzi, xubha kakuhle, njengesisombululo sokulawula;Thatha ubungakanani obufanelekileyo bereferensi ye-histidine kunye ne-proline reference ngokulandelanayo, kwaye ubeke kwi-flask yokulinganisa efanayo, amanzi adityaniswe ukuze adibanise kwaye ahlanjululwe ukulungiselela isisombululo esiqulethe malunga ne-0.4mg nganye nge-1ml njengesisombululo esifanelekileyo.Ngokutsho chromatography umaleko obhityileyo (General 0502) uvavanyo, Zoba 5 u1 nganye kwezi zisombululo zintathu zingasentla, ngokulandelelana ikhomba kwi-silica gel G ipleyiti ebhityileyo umaleko, kunye N-propanol-zigxininise ammonia isisombululo (67:33) njengoko ukuphuhlisa i-solvent, yandisa, yomile, fafaza nge-ninhydrin kwisisombululo se-acetone (1-50), ukushisa kwi-80 ° C kude kube khona amabala, kwaye uhlolisise ngokukhawuleza.Isisombululo solawulo kufuneka sibonise indawo ecacileyo, kwaye inkqubo esebenzayo isisombululo kufuneka ibonise amabala amabini ahluke ngokupheleleyo.Ukuba isisombululo sokuvavanya sibonisa amabala okungcola, umbala akufanele ube nzulu (0.5%) kuneyona ndawo iphambili yesisombululo solawulo.
Ilahleko ekomisweni
thatha le mveliso, yome kwi-105 ℃ kwiiyure ze-3, ukulahleka kobunzima akusayi kudlula i-0.2% (umgaqo jikelele we-0831).
Intsalela kwi-Ignition
Hayi ngaphezulu kwe-0.1% (umgaqo Jikelele 0841).
Ityuwa yentsimbi
thatha i-1.0g yale mveliso kwaye uyijonge ngokomthetho (umgaqo jikelele we-0807).Xa kuthelekiswa nesisombululo solawulo esenziwe nge-0.001% yesisombululo sentsimbi esisemgangathweni, asiyi kuba nzulu ().
Iintsimbi ezinzima
Le mveliso 1.0g, ukuhlolwa ngokomthetho (General Principles 0821 Umthetho wokuqala), equlathe metals enzima akayi kudlula 10 iinxalenye million.
Ityuwa yeArsenic
thatha i-2.0g yale mveliso, yongeza i-23ml yamanzi ukunyibilika, yongeza i-5ml ye-hydrochloric acid, jonga ngokomthetho (umthetho Jikelele we-0822 umthetho wokuqala), kufuneka uhambelane nemimiselo (0.0001%).
I-Endotoxin yebhaktiriya
Thatha le mveliso, khangela ngokomthetho (umgaqo jikelele we-1143), nganye i-lg histidine equkethe i-endotoxin kufuneka ibe ngaphantsi kwe-6.0EU.(Yenaliti)
351-50-8 - Ukuzimisela komxholo
Thatha le mveliso malunga ne-0.15g, ukulinganisa ukuchaneka, ukongeza i-anhydrous formic acid 2ml ukuchithwa, yongeza i-glacial acetic acid 50ml, ngokwendlela enokubakho ye-titration (umgaqo jikelele we-0701), kunye ne-perchloric acid titration solution (0.1 mol / L) titration, kunye iziphumo zetitration zalungiswa ngovavanyo olungenanto.I-1 ml nganye isisombululo se-perchloric acid titration (0.1 mol / L) ihambelana ne-15.52mg ye-C6H9N302.
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.
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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.
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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.
Iimpawu zeHazard Xn - Ziyingozi
Inkcazelo yoKhuseleko S22 - Musa ukuphefumla uthuli.
I-S24/25 - Gwema ukudibana nolusu kunye namehlo.
S36/37 -Nxiba iimpahla ezifanelekileyo zokukhusela kunye neeglavu.
S26 - Xa udibana namehlo, hlambulula ngokukhawuleza ngamanzi amaninzi kwaye ufune iingcebiso zonyango.
WGK eJamani 3
TSCA Ewe
Ikhowudi yeHS 2922491990
I-D-Histidine (i-HD-His-OH) (i-CAS: 351-50-8) yinto engaqhelekanga, i-isomer ye-biologically engasebenziyo ye-L-Histidine.I-D-Histidine iyaziwa ngokuthintela ukwahlukana kweeseli, kwaye iphinda isetyenziswe ziintlobo ezithile zebhaktheriya (ezifana ne-Escherichia coli) njengomthombo we-L-Histidine.Ifomu esebenzayo ye-histidine ene-D-configuration.
I-amino acids kunye ne-derivatives, esetyenziswa kwi-peptide synthesis, esetyenziswa njenge-organic synthesis intermediate, pharmaceutical intermediate, ingasetyenziswa njenge-chiral intermediate, i-biochemical reagent okanye i-chemical reagent.
I-D-Histidine ingasetyenziselwa ukuyila iziyobisi ze-peptide, i-cationic peptides, njenge-analogues ye-carnosine.I-D-Histidine isenokuthi isetyenziswe njenge-arhente yokuhluthwa kwentsimbi enzima.
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