D-Histidine CAS 351-50-8 HD-His-OH Assay 98.5~101.0% Factory
Shanghai Ruifu Chemical Co., Ltd. ke moetsi ea ka sehloohong oa D-Histidine (HD-His-OH) (CAS: 351-50-8) e nang le boleng bo phahameng.Ruifu Chemical e fana ka letoto la li-amino acid le li-derivatives.Re ka fana ka litšebeletso tsa lefats'e ka bophara, theko ea tlhōlisano, palo e nyenyane le e ngata e fumanehang.Reka D-Histidine,Please contact: alvin@ruifuchem.com
| Lebitso la Lik'hemik'hale | D-Histidine |
| Litlhaloso tse tšoanang | HD-Hae-OH;D-Hae-OH;Dextro-Histidine;(R) -Histidine;(R) -2-Amino-3- (4-Imidazolyl) propionic Acid |
| Boemo ba Setoko | Setokong, Bokhoni ba Tlhahiso Lithane tse 30 ka Khoeli |
| Nomoro ea CAS | 351-50-8 |
| Foromo ea limolek'hule | C6H9N3O2 |
| Boima ba Molek'hule | 155.16 g/mol |
| Melting Point | 280.0~288.0℃ |
| Botenya | 1.423 |
| Ho qhibiliha ha Metsi | E qhibilihang ka Metsing, 42 g/L (25℃) |
| Solubility | 1 M HCl: E qhibiliha (50 mg/ml) |
| Mocheso oa polokelo. | Sebaka se pholileng le se omileng (2~8℃) |
| COA & MSDS | E fumaneha |
| Sehlopha | Li-Amino Acids le Li-Derivatives |
| Brand | Ruifu Chemical |
| Lintho | Maemo a Tlhahlobo | Liphetho |
| Ponahalo | Phofo e Tšoeu ea Crystalline | E lumellana |
| Boitsebiso | E Kopana le Tlhokahalo | E lumellana |
| Potoloho e Khethehileng [α]20/D | +36.5° ho ea ho +40.5° (C=2, H2O) | +38,2° |
| Chloride (Cl) | ≤0.020% | <0.020% |
| Sulfate (SO4) | ≤0.020% | <0.020% |
| Ammonium (NH4) | ≤0.020% | <0.020% |
| Litšepe tse boima (Pb) | ≤10ppm | <10ppm |
| Tshipi (Fe) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1ppm | <1ppm |
| Tahlehelo ka ho Omisa | ≤0.20% | 0.15% |
| Masalla a ho Ignition | ≤0.10% | 0.06% |
| Li-amino acid tse ling | ≤0.50% | <0.50% |
| Tlhahlobo | 98.5%~101.0% | 99.54% |
| pH | 7.0~8.5 | 7.6 |
| Qetello | Sehlahisoa se lekoa 'me se lumellana le litlhaloso | |
Sephutheloana: Botlolo ea Fluorinated, Aluminium foil bag, 25kg/Cardboard Drum, kapa ho latela tlhoko ea moreki.
Boemo ba polokelo:Boloka ka lijaneng tse tiisitsoeng sebakeng sa polokelo se pholileng le se omileng (2~8℃) hole le lintho tse sa lumellaneng.Sireletsa leseli le mongobo.
pH
nka 1.0g ea sehlahisoa sena, eketsa 50ml ea metsi ho qhibiliha, 'me ue lekanye ho ea ka molao (Molao o akaretsang 0631).Theko ea pH e lokela ho ba 7.0 ~ 8.5.
Phetiso ea Tharollo
Nka 0.60g ea sehlahisoa sena, eketsa metsi 20ml ho qhala, ho latela UV-bonahalang spectrophotometry (General molao 0401), lekanya phetiso ka 430nm wavelength, eseng ka tlase ho 98.0%.
Chloride
Nka 0.25g ea sehlahisoa sena 'me u se hlahlobe ho latela molao (Molao o akaretsang 0801).Ha ho bapisoa le tharollo ea taolo e entsoeng ka 0.02% ea tharollo e tloaelehileng ea sodium chloride, ha ea lokela ho tsepamisa mohopolo haholoanyane ().
Sulfate
Nka 1.0g ea sehlahisoa sena 'me u se hlahlobe ho latela molao (Molao o akaretsang 0802).Ha ho bapisoa le tharollo ea taolo e entsoeng ka 0.02% ea tharollo e tloaelehileng ea potassium sulfate, ha ea lokela ho ba e tebileng haholoanyane ().
Letsoai la Ammonium
nka 0.10g ea sehlahisoa sena 'me u se hlahlobe ho latela molao (Molao o akaretsang 0808).Ha ho bapisoa le tharollo ea taolo e entsoeng ka 0.02% ea tharollo e tloaelehileng ea ammonium chloride, e ke ke ea teba ().
Li-amino acid tse ling
nka tekanyo e loketseng ea sehlahisoa sena, eketsa metsi ho qhaqha le ho hlapolla ho etsa tharollo e nang le hoo e ka bang 10 mg ka lml e le tharollo ea teko;Nka 1ml bakeng sa tekanyo e nepahetseng 'me ue kenye ka botlolo ea ho lekanya 200ml, hlapolla ho tekanyo ka metsi, sisinya hantle, e le tharollo ea taolo;Nka tekanyo e loketseng ea referense ea histidine le referense ea proline ka ho latellana, 'me u behe ka har'a botlolo e lekanang ea ho lekanya, metsi a ile a kenngoa ho qhibiliha le ho hlapolloa ho lokisetsa tharollo e nang le hoo e ka bang 0.4mg e' ngoe le e 'ngoe ka 1ml e le tharollo e loketseng tsamaiso.Ho ea ka teko e tšesaane ea chromatography (Kakaretso ea 0502), Thala 5 u1 ea tharollo e 'ngoe le e' ngoe ea tse tharo tse ka holimo, ka ho latellana supa silika gel G tšesaane lera poleiti, le N-propanol-concentrated ammonia tharollo (67:33) e le ho hlahisa solvent, ho atolosa, ho omisa, fafatsa ka ninhydrin ka motsoako oa acetone (1-50), mocheso ho 80 ° C ho fihlela matheba a hlaha, 'me u hlahlobe hang-hang.Tharollo ea taolo e lokela ho bontša sebaka se hlakileng, 'me tsamaiso e sebetsang ea tharollo e lokela ho bontša matheba a mabeli a arohaneng ka ho feletseng.Haeba tharollo ea teko e bontša matheba a litšila, 'mala ha oa lokela ho teba (0.5%) ho feta sebaka se seholo sa tharollo ea taolo.
Tahlehelo ka ho Omisa
nka sehlahisoa sena, se omme ho 105 ℃ bakeng sa lihora tsa 3, tahlehelo ea boima ba 'mele e ke ke ea feta 0.2% (Molao o akaretsang 0831).
Masalla a ho Ignition
Eseng ho feta 0.1% (Molao o akaretsang 0841).
Letsoai la Tšepe
nka 1.0g ea sehlahisoa sena 'me u se hlahlobe ho latela molao (Molao o akaretsang 0807).Ha ho bapisoa le tharollo ea taolo e entsoeng ka 0,001% ea tharollo ea tšepe e tloaelehileng, e ke ke ea teba ().
Litšepe tse boima
Sehlahisoa sena 1.0g, tlhahlobo ho ea ka molao (Kakaretso ea Melao-motheo ea 0821 Molao oa pele), e nang le litšepe tse boima ha ea lokela ho feta likarolo tse 10 ho milione.
Letsoai la Arsenic
nka 2.0g ea sehlahisoa sena, eketsa 23ml ea metsi ho qhibiliha, eketsa 5ml ea hydrochloric acid, hlahloba ho ea ka molao (Kakaretso ea molao 0822 molao oa pele), e lokela ho lumellana le litokisetso (0.0001%).
Endotoxin ea baktheria
Nka sehlahisoa sena, hlahloba ho ea ka molao (General rule 1143), mong le e mong lg histidine e nang le endotoxin e lokela ho ba ka tlaase ho 6.0EU.(Bakeng sa ente)
351-50-8 - Boikemisetso ba litaba
Nka sehlahisoa sena se ka bang 0.15g, boima bo nepahetseng, eketsa anhydrous formic acid 2ml ho qhibiliha, eketsa glacial acetic acid 50ml, ho latela mokhoa o ka bang teng oa titration (General rule 0701), ka perchloric acid titration solution (0.1 mol / L) titration, le liphetho tsa titration li ile tsa lokisoa ka tlhahlobo e se nang letho.E 'ngoe le e' ngoe ea 1 ml perchloric acid titration solution (0.1 mol/ L) e lumellana le 15.52mg ea C6H9N302.
Mokhoa oa ho Reka?Ka kopo ikopanyeDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Phihlelo ea Lilemo Tse 15?Re na le boiphihlelo ba lilemo tse fetang 15 ho etsa le ho romella kantle ho naha mefuta e mengata e fapaneng ea li-intermediate tsa boleng bo holimo tsa meriana kapa lik'hemik'hale tse ntle.
Limmaraka tse ka Sehloohong?Rekisetsa 'maraka oa lapeng, Amerika Leboea, Europe, India, Korea, Japane, Australia, joalo-joalo.
Melemo?Boleng bo phahameng, theko e theko e tlaase, lits'ebeletso tsa litsebi le ts'ehetso ea tekheniki, phano e potlakileng.
BolengTiisetso?Tsamaiso e thata ea taolo ea boleng.Lisebelisoa tsa profeshenale bakeng sa tlhahlobo li kenyelletsa NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, joalo-joalo.
Mehlala?Lihlahisoa tse ngata li fana ka mehlala ea mahala bakeng sa tlhahlobo ea boleng, litšenyehelo tsa ho tsamaisa thepa li lokela ho lefshoa ke bareki.
Feme Audit?Ho amoheloa ha fektheri.Ke kopa o etse kopano esale pele.
MOQ?Ha ho MOQ.Taelo e nyenyane e amoheleha.
Nako ea thomello? Haeba ka har'a setoko, ho netefalitsoe hore ho tsamaisoa ka matsatsi a mararo.
Lipalangoang?Ka Express (FedEx, DHL), ka Moea, ka Leoatle.
Litokomane?Ka mor'a tšebeletso ea thekiso: COA, MOA, ROS, MSDS, joalo-joalo e ka fanoa.
Custom Synthesis?E ka fana ka lits'ebeletso tsa tloaelo tsa ho kopanya ho lekana hantle litlhoko tsa hau tsa lipatlisiso.
Litefiso Melao?Invoice ea Proforma e tla romelloa pele kamora netefatso ea odara, e kenyellelitseng tlhahisoleseling ea rona ea banka.Tefo ka T/T (Telex Transfer), PayPal, Western Union, joalo-joalo.
Matshwao a Kotsi Xn - A Kotsi
Tlhaloso ea Tšireletseho S22 - U se ke ua hema lerōle.
S24/25 - Qoba ho kopana le letlalo le mahlo.
S36/37 - Apara liaparo tsa tšireletso tse loketseng le liatlana.
S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
WGK Jeremane 3
TSCA Ho joalo
HS Code 2922491990
D-Histidine (HD-His-OH) (CAS: 351-50-8) ke isomer e seng ea tlhaho, e sa sebetseng ea biologically ea L-Histidine.D-Histidine e tsejoa ho thibela karohano ea lisele, hape e sebelisoa ke mefuta e itseng ea libaktheria (joaloka Escherichia coli) e le mohloli oa L-Histidine.Mofuta o sebetsang oa histidine o nang le D-configuration.
Li-amino acid le li-derivatives, tse sebelisoang ka har'a peptide synthesis, tse sebelisoang e le motsoako oa organic synthesis bohareng, meriana e bohareng, e ka sebelisoa e le chiral intermediate, biochemical reagent kapa reagent ea lik'hemik'hale.
D-Histidine e ka sebelisoa molemong oa lithethefatsi tsa peptide, li-peptide tsa cationic, joalo ka li-analogues tsa carnosine.D-Histidine e ka boela ea sebelisoa e le moemeli oa thepa ea tšepe e boima.
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