Fmoc-Ser (tBu) -OH CAS 71989-33-8 Fmoc-O-tert-Butyl-L-Serine Purity>98.5% (HPLC)
Shanghai Ruifu Chemical Co., Ltd jẹ olupilẹṣẹ asiwaju ti Fmoc-O-tert-Butyl-L-Serine (Fmoc-Ser (tBu) -OH) (CAS: 71989-33-8) pẹlu didara to gaju.Kemikali Ruifu n pese lẹsẹsẹ amino acids.A le pese ifijiṣẹ agbaye, idiyele ifigagbaga, kekere ati awọn iwọn olopobobo ti o wa.Ra Fmoc-Ser (tBu) -OH,Please contact: alvin@ruifuchem.com
Orukọ Kemikali | Fmoc-O-tert-Butyl-L-Serine |
Awọn itumọ ọrọ sisọ | Fmoc-Ser (tBu) -OH;Fmoc-L-Ser (tBu) -OH;N-Fmoc-O-tert-Butyl-L-Serine;O-tert-Butyl-N-Fmoc-L-Serine;O-tert-Butyl-N-[(9H-Fluoren-9-ylmethoxy) carbon]-L-Serine;N-(9-Fluorenylmethoxycarbonyl)-O-tert-Butyl-L-Serine |
Iṣura Ipo | Ninu Iṣura, Agbara iṣelọpọ si Awọn Toonu fun oṣu kan |
Nọmba CAS | 71989-33-8 |
Ilana molikula | C22H25NO5 |
Òṣuwọn Molikula | 383,44 g / mol |
Ojuami Iyo | 125.0 ~ 140.0 ℃ |
iwuwo | 1.216 |
Ibi ipamọ otutu. | Itura & Ibi Gbẹ (2 ~ 8℃) |
COA & MSDS | Wa |
Ẹka | Awọn ohun elo Fmoc-Amino |
Brand | Ruifu Kemikali |
Awọn nkan | Ayewo Standards | Awọn abajade |
Ifarahan | Funfun Powder | Funfun Powder |
Yiyi pato [α] 20/D | +25.0°±2.5° (C=1 ninu EtOAc) | + 24,8° |
Ojuami Iyo | 125.0 ~ 140.0 ℃ | 130.6 ~ 131.1 ℃ |
Omi nipa Karl Fischer | <1.00% | 0.194% |
Pipadanu lori Gbigbe | <1.00% | 0.32% |
Aloku lori Iginisonu | <0.10% | <0.10% |
Opitika ti nw | <0.30% D-Enantiomer | 0.0782% |
wípé Solusan | 0.3 giramu ni 2ml DMF Ko Solusan | Ibamu |
Mimọ / Analysis Ọna | > 98.5% (HPLC) | 99.15% |
300 MHz 1H | Ni ibamu si Eto | Ibamu |
Elemental Analysis | Dédédé | Dédédé |
TLC onínọmbà | Aami kan | Ibamu |
Infurarẹẹdi julọ.Oniranran | Ni ibamu si Eto | Ibamu |
Ipari | Ọja naa ti ni idanwo & ni ibamu pẹlu awọn pato ti a fun |
Package: Igo Fluorinated, apo apamọwọ Aluminiomu, 25kg / Paali Drum, tabi gẹgẹbi ibeere alabara.
Ipò Ìpamọ́:Fipamọ sinu awọn apoti edidi ni itura ati ki o gbẹ (2 ~ 8℃) ile itaja kuro lati awọn nkan ti ko ni ibamu.Dabobo lati ina ati ọrinrin.
Bawo ni lati Ra?Jọwọ kan siDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Ọdun Iriri?A ni diẹ sii ju ọdun 15 ti iriri ni iṣelọpọ ati okeere ti ọpọlọpọ awọn agbedemeji elegbogi didara tabi awọn kemikali to dara.
Awọn ọja akọkọ?Ta si ọja ile, North America, Europe, India, Korea, Japanese, Australia, ati be be lo.
Awọn anfani?Didara to gaju, idiyele ifarada, awọn iṣẹ alamọdaju ati atilẹyin imọ-ẹrọ, ifijiṣẹ yarayara.
DidaraIdaniloju?Eto iṣakoso didara to muna.Awọn ohun elo ọjọgbọn fun itupalẹ pẹlu NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, bbl
Awọn apẹẹrẹ?Pupọ awọn ọja pese awọn apẹẹrẹ ọfẹ fun igbelewọn didara, idiyele gbigbe yẹ ki o san nipasẹ awọn alabara.
Ayẹwo ile-iṣẹ?Ayẹwo ile-iṣẹ kaabo.Jọwọ ṣe ipinnu lati pade ni ilosiwaju.
MOQ?Ko si MOQ.Ibere kekere jẹ itẹwọgba.
Akoko Ifijiṣẹ? Ti o ba wa laarin ọja iṣura, iṣeduro ifijiṣẹ ọjọ mẹta.
Gbigbe?Nipa Express (FedEx, DHL), nipasẹ Air, nipasẹ Okun.
Awọn iwe aṣẹ?Lẹhin iṣẹ tita: COA, MOA, ROS, MSDS, ati bẹbẹ lọ ni a le pese.
Aṣa Synthesis?Le pese awọn iṣẹ iṣelọpọ aṣa lati baamu awọn iwulo iwadii rẹ dara julọ.
Awọn ofin sisan?Iwe risiti Proforma yoo firanṣẹ ni akọkọ lẹhin ijẹrisi aṣẹ, ti ifi alaye banki wa sinu.Isanwo nipasẹ T/T (Telex Gbigbe), PayPal, Western Union, ati bẹbẹ lọ.
Awọn ilana ayewo
1. Irisi
- Ayẹwo wiwo
2. Mimo (HPLC)
2.1 Irinse
Kiromatogirafi olomi iṣẹ ṣiṣe giga, aṣawari PDA.
Itanna analitikali iwontunwonsi
2.2 Reagent
Acetonitrile (ìpele chromatographic), trifluoroacetic acid (ipò chromatographic)
2.3 Chromatographic ipo
2.3.1 Ọwọn: YMC-ODS-AM, 5 μl, 250x4.6 mm
2.3.2 erin wefulenti: INC220nm
Oṣuwọn sisan: 1.0ml/min
Iwọn apẹẹrẹ: 10 μl (itọkasi)
Diluent: acetonitrile
Akoko gbigba data: 25.00min
2.4 Mobile alakoso igbaradi
Alagbeka alakoso A (0.1% trifluoroacetic acid omi): gbigba deede 2. Dilute Oml trifluoroacetic acid pẹlu omi si 2000m1, dapọ daradara, ati degassing;
Mobile alakoso B (0.1% acetonitrile trifluoroacetic acid): kongẹ gbigba 2.0ml trifluoroacetic acid ti fomi po si 2000m1 pẹlu acetonitrile, adalu ati degassing;
2.5 Gradient eto ti mobile alakoso
Akoko (iṣẹju) A% B%
0.00 90 10
13.00 10 90
18.00 10 90
18.01 90 10
23.00 90 10
2.6 Igbaradi ti ojutu ayẹwo
Ṣe iwọn ati tu 0.1g ayẹwo pẹlu acetonitrile ati dilute si 100ml, gbọn daradara fun lilo, tabi ifọkansi kanna.Mura awọn ayẹwo meji ni afiwe.
2.7 Apeere Ipinnu
Ṣe ayẹwo ayẹwo ni ibamu si ilana iṣapẹẹrẹ wọnyi:
Diẹ ẹ sii ju abẹrẹ 1 ti ojutu òfo
Ojutu ayẹwo aranpo 1 #
Ojutu ayẹwo aranpo 1 2#
2.8 Abajade isiro
2.8.1 Ọna isọdọtun agbegbe ti o ga julọ ni a lo lati ṣe iṣiro mimọ HPLC nipa yiyọkuro aaye òfo.
2.8.2 Itumọ ibatan ibatan iyapa mimọ ti awọn abẹrẹ meji ko yẹ ki o tobi ju 1%
2.8.3 Ti awọn abajade ti awọn abẹrẹ mejeeji ni ibamu pẹlu awọn ibeere gbigba, a mu iwọn mimọ jẹ bi abajade ikẹhin.
3, aaye yo -- RY-1 ohun elo aaye yo
4. Isonu lori ọna wiwa gbigbẹ
4.1 Awọn irinṣẹ:
Ina thermostatic gbigbe adiro, ọkan ninu mẹwa ẹgbẹrun iwontunwonsi.
4.2 Ilana:
Ninu igo wiwọn alapin pẹlu ideri ẹnu ilẹ pẹlu iwuwo igbagbogbo ati gbigbe-gbigbe, ṣe iwọn giramu 1 ti apẹẹrẹ (deede si 0.0001 giramu).Ayẹwo yẹ ki o wa ni boṣeyẹ ni isalẹ ti igo wiwọn pẹlu sisanra ti ko ju 10mm lọ, fi sinu adiro gbigbẹ ina mọnamọna nigbagbogbo, gbẹ ni 105-110 ℃ fun awọn wakati 3, ati lẹhinna gbe lọ si yara gbigbẹ, dara. si iwọn otutu yara ati iwuwo.
Iṣiro: Pipadanu iwuwo gbigbẹ%= (M1-M2) ÷M×100
Nibo: M1: ọpọ ayẹwo ati igo wiwọn ṣaaju gbigbe, g
M2: Iwọn ti ayẹwo ati igo wiwọn lẹhin gbigbe, g
M: Iwọn ayẹwo, giramu
5. Yiyi pato
-- Yiyi pato jẹ iwọn ni ibamu pẹlu GB/T613-1988
Apeere igbaradi: 0.5000g ti ayẹwo ni a ṣe deede ati gbe lọ si igo volumetric 50ml ti o mọ ati ti o gbẹ pẹlu 20ml Ethyl acetate.Awọn igo ti a corked ati ki o mì lati tu awọn Ethyl acetate.
Idanwo: Ṣatunṣe odo ti gyroscope ṣaaju idanwo naa, lẹhinna fọwọsi tube idanwo pẹlu ojutu ayẹwo, gbasilẹ igun iṣipopada ti yiyi, ki o si ṣe iṣiro iyipo pato ti apẹẹrẹ nipa lilo agbekalẹ atẹle.
[α]20/D= (r×50) ÷(L×W)
Nibo:
[α] 20/D: Yiyi pato ti ojutu ayẹwo ni 25 ℃
r: Yiyi ti a ṣe akiyesi ni 25 ℃ fun ojutu ayẹwo
50: Mura iwọn didun ojutu ayẹwo (milimita)
w: Iwọn ayẹwo (g)
L: Gigun tube opitika (dm)
6. TCL onínọmbà
Apeere igbaradi: 0.5000g ayẹwo ni a ṣe deede ati ki o gbe lọ si igo volumetric 50ml ti o mọ ati ti o gbẹ, 40ml EtoH ti a fi kun, a ti fi igo naa silẹ ati gbigbọn lati tu, ati lẹhinna ti fomi si iwọn pẹlu EtoH.
Igbaradi ti ayẹwo iṣakoso: 0.5000g ayẹwo ni a ṣe deede ati gbe lọ si igo 50ml ti o mọ ati ti o gbẹ, omi 40ml ati 2 silė ti 6N hydrochloric acid ni a fi kun, igo ti a fi silẹ ati gbigbọn lati tu, ati lẹhinna ti fomi si iwọn pẹlu iwọn. omi.Lẹhinna mu 0.5 ti omi ti o wa loke ki o ṣe dilute rẹ pẹlu ethanol ni igo iwọn didun 100ml si apẹẹrẹ itọkasi pẹlu iwọn aloku amino acid 1.0%.
Awọn ayẹwo microliter 10 ni a mu pẹlu syringe microsampling, ati pe a gbe awọn ayẹwo naa sori awo silikoni GF254.5 microliter, 10 microliter ati 15 microliter ojuami farahan won ya fun lafiwe ojuami, lẹsẹsẹ.
Aṣoju idagbasoke: n-butanol: glacial acetic acid: omi = 4: 1: 1.
Awọ idagbasoke oluranlowo: 5% ninhydrin methanol ojutu.
Iṣiṣẹ idagbasoke awọ: akọkọ, lo ẹrọ gbigbẹ irun lati gbẹ awo gel silica ti o ni idagbasoke, lẹhinna fibọ sinu 5% ninhydrin methanol ojutu, lẹhinna fẹ gbẹ, ati beki ni iwọn otutu giga ni ileru ina fun idagbasoke awọ.
Idajọ: Wo akoko awọ ọja, iwọn iranran, ifọkansi awọ ati lafiwe pẹlu ọja iṣakoso, ṣe idajọ pe o wa ni iwọn yẹn.
Awọn aami ewu Xi - Irritant
Awọn koodu Ewu 36/37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Aabo S24/25 - Yago fun olubasọrọ pẹlu awọ ara ati oju.
S36/37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju.
S27 - Mu gbogbo aṣọ ti o ti doti kuro lẹsẹkẹsẹ.
S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
WGK Germany 3
HS koodu 2922491990
Fmoc-O-tert-Butyl-L-Serine (Fmoc-Ser (tBu)-OH) (CAS: 71989-33-8) jẹ itọsẹ serine.
Awọn acids Fmoc-amino, ti a lo bi amino acid ti o daabobo monomer, ti a lo ninu iṣelọpọ peptide, iṣelọpọ peptide ti o lagbara-fase, ti a lo bi agbedemeji iṣelọpọ Organic, agbedemeji elegbogi, reagent biokemika tabi reagent kemikali.
Fmoc-Ser (tBu) -OH jẹ reagenti to ni idaabobo N-terminal ti a lo ninu iṣelọpọ peptide.Diẹ ninu awọn apẹẹrẹ ti a royin ni: Lapapọ kolapọpọ apakokoro kan, daptomycin, nipasẹ cyclization nipasẹ kan serine ligation chemoselective.Igbaradi ti MUC1, peptide oluranlọwọ T-cell kan, ni lilo awọn condensations ajẹkù ti agbedemeji pentafluorophenyl ester aṣetunṣe.Ilana peptide ti o lagbara ti laini ti ubiquitin ati diubiquitin.
Ọna iṣelọpọ O-tert-Butyl-L-Serine ti daduro ni ojutu dioxane, ọja robi ni a gba nipasẹ iṣesi acylation pẹlu fluorenylmethoxycarbonyl azide, eyiti a fa jade pẹlu ethyl acetate ni pH 9-10 ati ti sọ di mimọ nipasẹ atunkọ.