D-Tryptophan CAS 153-94-6 (HD-Trp-OH) Tlhahlobo ea 98.5~101.0% Factory
Shanghai Ruifu Chemical Co., Ltd. ke moetsi ea ka sehloohong oa D-Tryptophan (HD-Trp-OH) (CAS: 153-94-6) 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-Tryptophan,Please contact: alvin@ruifuchem.com
| Lebitso la Lik'hemik'hale | D-Tryptophan |
| Litlhaloso tse tšoanang | HD-Trp-OH;D-(+)-Tryptophan;Dextro-(+)-Tryptophan;(R) -Tryptophan;(R)-(+)-2-Amino-3-(3-Indolyl)propionic Acid;(R) -α-Amino-3-Indolepropionic Acid;(R) -α-Aminoindole-3-Propanoic Acid |
| Boemo ba Setoko | Setokong, Bokhoni ba Tlhahiso Lithane tse 35 ka Khoeli |
| Nomoro ea CAS | 153-94-6 |
| Foromo ea limolek'hule | C11H12N2O2 |
| Boima ba Molek'hule | 204.23 g/mol |
| Melting Point | 282.0~285.0℃(Dec.)(lit.) |
| Botenya | 1.362 |
| Solubility | Ha Hanyenyane ka Metsing, E Hanyenyane Hanyenyane ka Ethanol (96%) |
| 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 | Phofo e Tšoeu ea Crystalline | E lumellana |
| Potoloho e Khethehileng [α]20/D | +30.0° ho ea +33.0° (C=1, H2O) | -33.8° |
| Boemo ba Tharollo | ≥95.0% | E lumellana |
| Melting Point | 282.0~285.0℃ | 282.8~284.2℃ |
| Chloride (Cl) | ≤0.020% | <0.020% |
| Ammonium (NH4) | ≤0.020% | <0.020% |
| Sulfate (SO4) | ≤0.020% | <0.020% |
| Tšepe (joalo ka Fe) | ≤20ppm | <20ppm |
| Heavy Metals (as Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1ppm | <1ppm |
| Li-amino acid tse ling | E lumellana | E lumellana |
| Tahlehelo ka ho Omisa | ≤0.20% | 0.15% |
| Masalla a ho Ignition | ≤0.10% | 0.06% |
| Tlhahlobo | 98.5%~ 101.0% | 99.6% |
| L-Tryptophan | ≤1.00% | 0.79% |
| pH | 5.4~6.4 | 6.3 |
| IR Spectrum | Tumellanong le Maemo | E lumellana |
| Qetello | Sehlahisoa se lekoa 'me se lumellana le litlhaloso tse fanoeng | |
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.
Asiti
Nka 1g ea sehlahisoa sena, eketsa 50ml ea metsi ho qhibiliha, 'me u lekanye ho ea ka molao (Molao o Akaretsang oa 5.4).Boemo ba pH bo lokela ho ba 5.4 ~ 6.4.
Phetiso ea tharollo
nka 0.5g ea sehlahisoa sena, eketsa 2mol / L hydrochloric acid solution 20ml ho qhala, ho latela ultraviolet-visible spectrophotometry (General Molao 0401), lekanya phetiso ka 430nm wavelength, eseng ka tlase ho 95.0%.
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 l.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 0.30g ea sehlahisoa sena, e kenye ka botlolo ea ho lekanya 20ml, eketsa 1 mol / L hydrochloric acid tharollo 1 ml le metsi ho qhaqha, ho hlapolla ka metsi ho ea tekanyo, sisinya hantle, e le tharollo ea teko;nka 1 ml ka nepo, e kenye ka botlolong ea ho lekanya 200ml, e hlapolle ho ea tekanyo ka metsi, sisinya hantle, 'me ue sebelise e le tharollo ea taolo.Nka 10mg ea taolo ea tryptophan le taolo ea tyrosine, 'me ue behe ka har'a botlolo e lekanang ea 25ml, 1 ml ea 1 mol / L hydrochloric acid tharollo le palo e loketseng ea metsi e ile ea kenngoa ho qhaqha tharollo.Tharollo e ne e hlapolotsoe ka sekala ka metsi ebe e sisinyeha ho etsa tharollo e loketseng bakeng sa tsamaiso.Ho latela tlhahlobo e tšesaane ea chromatography (Kakaretso ea 0502), monya litharollo tse tharo tse kaholimo ka 'ngoe 2 μL, ka ho latellana, holim'a poleiti e le 'ngoe ea silika ea G, e nang le n-butanol-glacial acetic acid-water (3:1:1) ho hasana, ho hasana, ho omisa, ho fafatsa ka ninhydrin ka tharollo ea acetone (1-50), mocheso ho 80 ℃ ho fihlela ntlha ea * e hlaha, 'me u shebe 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 sehlahisoa sena 1.0g ka mor'a ho chesa le molora, eketsa hydrochloric acid (2ml) ho masala, o omise ka ho hlapa metsi, ebe o eketsa dilute hydrochloric acid (4ml), e qhibilihe ka mocheso o fokolang, eketsa metsi (30ml) le ammonium persulfate. (50mg), 'me u e hlahlobe ho ea ka molao (Kakaretso ea molao 0807), ha ea lokela ho teba (0.002%) ho feta tharollo ea taolo e entsoeng ka tharollo e tloaelehileng ea tšepe.
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
nka 2.0g ea sehlahisoa sena, eketsa 5ml ea hydrochloric acid le 23ml ea metsi ho qhibiliha, hlahloba ho ea ka molao (Kakaretso ea molao oa 0822 molao oa pele), e lokela ho lumellana le litokisetso (0.0001%).
Endotoxin ea baktheria
nka sehlahisoa sena, eketsa metsi a tlhahlobo ea endotoxin ea motho, 'me mocheso ho 80 ℃ ho o qhaqha, hlahloba ho ea ka molao (General 1143), lg e' ngoe le e 'ngoe ea tryptophan e nang le endotoxin e lokela ho ba ka tlase ho 50EU.(Bakeng sa ente)
Boikemisetso ba Litaba
Nka sehlahisoa sena se ka bang 0.15g, boima bo nepahetseng, eketsa anhydrous formic acid 3ml e qhibilihisitsoeng, eketsa glacial acetic acid 50ml, ho latela mokhoa o ka bang teng oa titration (General rule 0701), ka hydrochloric 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 ea perchloric acid titration solution (0.1 mol / L) e lumellana le 20.42mg ea C11H12N2O2.
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
R36/37/38 - Ho hlohlona mahlong, tsamaiso ya moya le letlalo.
R41 - Kotsi ya tshenyo e kgolo mahlong
R37/38 - Ho halefisa tsamaiso ea ho hema le letlalo.
R22 - E kotsi ha e koetsoe
Tlhaloso ea Tšireletseho
S24/25 - Qoba ho kopana le letlalo le mahlo.
S36/37/39 - Apara liaparo tse loketseng tse sireletsang, liatlana le tšireletso ea mahlo / sefahleho.
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 YN6129000
LIKHOUTU TSA FLUKA BRAND F 8
TSCA Ho joalo
HS Code 2922491990
Hazard Class Irritant
D-Tryptophan (HD-Trp-OH) (CAS: 153-94-6) ke mofuta oa D (o se nang proteinogenic) oa amino acid tryptophan.Li-amino acid le li-derivatives, tse sebelisoang ho peptide synthesis, tse sebelisoang e le motsoako oa organic synthesis, lipakeng tsa meriana, li-additives tsa lijo / fepa, tlatsetso ea phepo e nepahetseng, reagent ea biochemical kapa reagent ea lik'hemik'hale.
Tryptophan ke e 'ngoe ea li-amino acid tse 20 tse tloaelehileng, hammoho le amino acid ea bohlokoa lijong tsa motho.E kentsoe khoutu e tloaelehileng ea liphatsa tsa lefutso joalo ka codon UGG.D-stereoisomer ka linako tse ling e fumanoa ho li-peptide tse hlahisoang ka tlhaho (mohlala, peptide contryphan ea chefo ea metsing).Sebopeho se khethollang sa tryptophan ke hore e na le sehlopha se sebetsang sa indole.Ke amino acid ea bohlokoa joalo ka ha e hlalosoa ke litlamorao tsa eona tsa kholo ho likhoto.
D-Tryptophan amino acid, e le protheine e sa sebetseng, e na le litšobotsi tse khethehileng tsa 'mele.E ka sebelisoa e le li-sweeteners tse se nang phepo, tse tlatsetsang lijong, liemeli tsa kholo ea limela indastering ea phepelo ea lijo le temo.Ka indasteri ea meriana, e sebelisoa haholo-holo bakeng sa ho kopanya li-polypeptide tse fapa-fapaneng, sebakeng sa L-Tryptophan peptide lithethefatsi bakeng sa ho atolosa halofo ea bophelo le ho fokotsa litla-morao, empa e ke ke ea hanyetsa 'mele o ka pele,' me e tla fetoha inhibitor ea bohlokoa ea enzyme. .E ka boela ea ntlafatsa 'mele oa ho itšireletsa mafung, ho lieha ho itšoara hantle.Bongata ba lithibela-mafu tsa peptide li ka hanyetsa libaktheria tsa gram-positive, baktheria ea Gram-negative le tse ling, tse kang Pseudomonas aeruginosa, mycobacteria, fungus, baktheria, likokoana-hloko le lisele tsa hlahala, tse nang le bokhoni ba ho thibela le ho bolaea hamolemo.
D-Tryptophan e ka sebelisoa bakeng sa maiketsetso a lithibela-mafu tsa semi-synthetic, tseo pharmacological e phethang karolo ea bohlokoa bakeng sa ketane ea lehlakore.Peptide bond e thata ho ba ts'ebetso ea enzyme ea β-lactam, ka hona e tsitsitse haholo, 'me e na le li-antibacterial spectrum, chefo, hypoallergenic, ho monya ka potlako, khatello e phahameng ea mali ea nako e telele ea lithethefatsi.
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