D-Leucine CAS 328-38-1 HD-Leu-OH Assay 98.5~101.5% Factory High Quality
Shanghai Ruifu Chemical Co., Ltd. ke moetsi ea ka sehloohong oa D-Leucine (HD-Leu-OH) (CAS: 328-38-1) 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-Leucine,Please contact: alvin@ruifuchem.com
Lebitso la Lik'hemik'hale | D-Leucine |
Litlhaloso tse tšoanang | HD-Leu-OH;Dextro-Leucine;(R) -Leucine;D-2-Amino-4-Methylpentanoic Acid;(R) -2-Amino-4-Methylpentanoic Acid |
Boemo ba Setoko | Setokong, Bokhoni ba Tlhahiso Lithane tse 30 ka Khoeli |
Nomoro ea CAS | 328-38-1 |
Foromo ea limolek'hule | C6H13NO2 |
Boima ba Molek'hule | 131.18 g/mol |
Melting Point | >300℃(lit.) |
Botenya | 1.035 |
Ho qhibiliha ha Metsi | 24 g/L (25℃) |
Ho qhibiliha ka har'a Dilute HCl | Hoo e ka bang Ponaletso |
Mocheso oa polokelo. | Sebaka se pholileng le se omileng |
COA & MSDS | E fumaneha |
Sehlopha | Li-Amino Acids le Li-Derivatives |
Brand | Ruifu Chemical |
Lintho | Maemo a Tlhahlobo | Liphetho |
Ponahalo | Crystalline e tšoeu kapa phofo ea crystalline | E lumellana |
Potoloho e Khethehileng [α]20/D | -14.5° ho ya ho -16.0° (C=4 ho 6N HCl) | -15.47° |
Phetiso | ≥98.0% | 99.1% |
Chloride (Cl) | ≤0.020% | <0.020% |
Sulfate (SO4) | ≤0.020% | <0.020% |
Ammonium (NH4) | ≤0.020% | <0.020% |
Tshipi (Fe) | ≤10ppm | <10ppm |
Litšepe tse boima (Pb) | ≤10ppm | <10ppm |
Arsenic (As2O3) | ≤1ppm | <1ppm |
Tahlehelo ka ho Omisa | ≤0.20% | 0.10% |
Masalla a ho Ignition | ≤0.10% | 0.07% |
Li-amino acid tse ling | ≤0.50% | <0.50% |
Tlhahlobo | 98.5~100.5% | 99.5% |
pH | 5.5~6.5 | 5.7 |
Infrared Spectrum | E Ikamahanya le Sebopeho | E lumellana |
Qetello | Sehlahisoa se lekoa 'me se lumellana le litlhaloso |
pH
Nka 0.50g ea sehlahisoa sena, eketsa 50ml ea metsi, mocheso ho qhibiliha, o pholile, 'me u etse qeto ho ea ka molao (General 0631), pH ea boleng e lokela ho ba 5.5 ~ 6.5.
Phetiso ea Tharollo
Nka 0.50g ea sehlahisoa sena, eketsa 50ml ea metsi, mocheso ho qhibiliha, pholileng, ultraviolet-bonahalang spectrophotometry (Kakaretso ea molao 0401), lekanya phetiso ho 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 5.0 ml ea tharollo e tloaelehileng ea sodium chloride, ha ea lokela ho tsepamisa maikutlo ho feta (0.02%).
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 2.0 ml ea tharollo e tloaelehileng ea potassium sulfate, ha ea lokela ho tsepamisa mohopolo haholoanyane (0.02%).
Letsoai la Ammonium
Nka sehlahisoa sena 0.10g, hlahloba ho ea ka molao (Kakaretso ea molao 0808), 'me u bapise le tharollo ea taolo e entsoeng ka tharollo e tloaelehileng ea ammonium chloride 2.0 ML, eseng botebo (0.02%).
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 20mg ka lml e le tharollo ea teko;Nka 1ml bakeng sa tekanyo e nepahetseng 'me ue kenye ka botlolo ea ho lekanya 200ml, hlapolla sekala ka metsi, sisinya, e le tharollo ea taolo;Nka tekanyo e loketseng ea referense ea leucine le referense ea valine, 'me u e kenye 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 ka' ngoe ka 1ml e le tharollo e loketseng tsamaiso.Ho ea ka teko e tšesaane ea chromatography (Kakaretso ea 0502), monya litharollo tse tharo tse ka holimo ka 'ngoe 5 u1, ka ho latellana, holim'a silika e le 'ngoe ea silika ea G, e nang le n-butanol-water-glacial acetic acid (3: 1: 1) bakeng sa ntshetsopele, ka mor'a ho tsamaisoa, ho omisa moea, ho fafatsa ka ninhydrin ka tharollo ea acetone (1-50), ho futhumatsa ka 80 ° C ho fihlela matheba a hlaha, le ho hlahloba 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 tse 3, tahlehelo ea boima ba 'mele e ke ke ea feta 0.2% (Molao o akaretsang 0831).
Masalla a ho Ignition
Nka 1.0g ea sehlahisoa sena 'me u se hlahlobe ho latela molao (Molao o akaretsang 0841).Se setseng se setseng ha sea lokela ho feta 0.1%.
Letsoai la Tšepe
Nka 1.5g 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
Masala a setseng tlas'a ntho ea ho nka mesaletsa ea ho khantša e ke ke ea e-ba le likarolo tse fetang 10 ho milione ea tšepe e boima ha e hlahlojoa ke molao (Melao-motheo e Akaretsang 0821, Molao oa II).
Letsoai la Arsenic
Eketsa metsi a 5ml, 1ml sulfuric acid le 10ml sulfurous acid, futhumatsa hoo e ka bang 2ml ka bateng ea metsi, eketsa metsi a 5ml, eketsa tharollo ea Dropwise ammonia ho fihlela pontšo ea phenolphthalein e sa nke lehlakore, eketsa hydrochloric acid 5ml, eketsa metsi ho etsa 28ml. , ho ea ka tlhahlobo ea molao (Kakaretso ea Melao-motheo 0822 Molao oa pele), o lokela ho lumellana le litokisetso (0.0001%).
Endotoxin ea baktheria
Nka sehlahisoa sena, hlahloba ho ea ka molao (General 1143), leucine e 'ngoe le e' ngoe e nang le endotoxin e lokela ho ba ka tlase ho 25EU.(Bakeng sa ente)
328-38-1 - Boikemisetso ba Litaba
Nka sehlahisoa sena se ka bang 0.1g, boima ba 'mele bo nepahetseng, eketsa anhydrous formic acid 1 ml e qhibilihisitsoeng, eketsa glacial acetic acid 25ml, ho latela mokhoa oa potentiometric titration (Molao o akaretsang oa 0701), ka tharollo ea perchloric acid titration (O. 1 mol / L) titration. , 'me liphello tsa titration li ile tsa lokisoa ka tlhahlobo e se nang letho.E 'ngoe le e' ngoe ea 1 ml ea perchloric acid titration solution (0.1 mol / L) e lumellana le 13.12 mg ea C6H13N02.
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, se omeletseng le se nang le moea o pholileng hole le lintho tse sa lumellaneng.Sireletsa leseli le mongobo.
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 Xi - E tenang
Likhoutu tsa Kotsi 36/37/38 - Ho hlohlona mahlong, tsamaiso ea ho hema le letlalo.
Tlhaloso ea Tšireletseho S22 - U se ke ua hema lerōle.
S24/25 - Qoba ho kopana le letlalo le mahlo.
S36 - Apara liaparo tse loketseng tsa tšireletso.
S26 - Ha u kopana le mahlo, hlatsoa hang-hang ka metsi a mangata 'me u batle keletso ea bongaka.
WGK Jeremane 3
RTECS OH2840000
TSCA Ho joalo
HS Code 2922491990
D-Leucine (HD-Leu-OH) (CAS: 328-38-1) ke D-Enantiomer ea Leucine.
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-Leucine ke mohloli oa bohlokoa oa organic chiral, e sebelisoang haholo lithethefatsing tsa chiral, li-additives tsa chiral, li-additives tsa chiral le tse ling tse tšelang.Joalo ka asiti e sebetsang ea optically e sebetsang, e bapala karolo e ke keng ea nkeloa sebaka ho kopantseng asymmetric ea metsoako e meng ea chiral.Hajoale, e sebelisoa haholo bakeng sa tlhahiso ea lithibela-mafu tse ncha tse pharalletseng, D-Leucine, Leucine Protective agent.
Selelekela: Leucine ke amino acid e ka fumanoang liprotheineng tse ngata 'me e nkoa e hlokahala bakeng sa ho monya mefuta e sa tšoaneng ea limatlafatsi;e ka sebelisoa lipatlisisong tsa biochemical;Leucine e ka sebelisoa e le tlatsetso ea phepo e nepahetseng 'me e ratoa haholo ke baatlelete;Ho feta moo, leucine e ka boela ea sebelisoa e le tlatsetso ea lijo ho ntlafatsa tatso ea lijo.
Mosebetsi oa 'mele: Leucine, Isoleucine le Valine kaofela ke li-amino acid tse nang le makala, tse thusang ho tsosolosa mesifa ka mor'a koetliso, ho laola tsoekere ea mali le ho fana ka matla ho lisele tsa' mele.Har'a bona, D-Leucine ke amino acid e sebetsang ka ho fetisisa ea branched-chain, empa 'mele oa motho o ke ke oa e hlahisa ka boeona' me o ka fumanoa feela ka lijo.Leha ho le joalo, hoo e ka bang ha ho na D-Leucine lijong tse tloaelehileng.D-Leucine hangata e hlaha ho baktheria peptidoglycan.ts'ebetso ea bioloji D-Leucine e na le ts'ebetso ea antiepileptic, e phahameng ho feta ts'ebetso ea L-Leucine.D-Leucine e ka felisa lefu la sethoathoa ka katleho.In vitro, D-Leucine e ka fokotsa sebaka sa nako e telele, empa phetiso ea basal synaptic ha e na phello.sebelisoa bakeng sa lipatlisiso tsa biochemical.
Mokhoa oa tlhahiso: Acetyl-DL-Leucine e sebelisoa e le lisebelisoa tse tala, L-Leucine e tlosoa ka phekolo ea acylase, ebe sehlahisoa se se nang mafura se kenngoa ka hydrochloric acid, 'me sehlahisoa se hloekileng se fumanoa ka mor'a ho kristale le ho hloekisa.