Fmoc-Asp(OtBu)-OH CAS 71989-14-5 Puritas >99.0% (HPLC) Factory
Shanghai Ruifu Chemical Co., Ltd. est primarius fabrica acidi Fmoc-L-Aspartici β-tert-Butyl Ester (Fmoc-Asp(OtBu)-OH) (CAS: 71989-14-5) magna qualitate.Ruifu chemica seriem amino acida supplet.Praebere possumus terrarum traditionem, pretium competitive, quantitates parvas et parvas in promptu.Purchase Fmoc-Asp(OtBu)-OH,Please contact: alvin@ruifuchem.com
| Nomen chemicum | Fmoc-L-Aspartic Acidum β-tert-Butyl Ester |
| Synonyma | Fmoc-Asp(OtBu)-OH;Fmoc-L-Asp(OtBu)-OH;N-Fmoc-L-Aspartic Acidum 4-tert-Butyl Ester;Fmoc-L-Aspartic Acid beta-tert-Butyl Ester;N-α-Fmoc-L-Aspartic Acidum β-tert Butyl Ester;4-tert-Butyl N-Fmoc-L-Aspartate;4-tert-Butyl N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-Aspartate;N.N-(9-Fluorenylmethoxycarbonyl)-L-Aspartic Acid β-tert-Butyl Ester;N-(9-Fluorenylmethoxycarbonyl) |
| Stock Status | In Stock |
| CAS Number | 71989-14-5 |
| Formulae hypotheticae | C23H25NO6 |
| M. Pondus | 411.45 g/mol |
| Liquescens punctum | 145.0~160.0℃ |
| Density | 1.251 |
| Aqua Solubility | Leviter solutum in aqua |
| Repono Nativ. | Frigus & siccum (2~8℃) |
| COA & MSDS | Praesto |
| Categoria | Fmoc-Amino Acids |
| Brand | Ruifu Chemical |
| Items | Signa inspectionis | Proventus |
| Aspectus | Alba pulveris | Alba pulveris |
| Imprimis rotationis [α]20/D | -24.0°±2.5° (C=1 in DMF) | -25.10° |
| Liquescens punctum | 145.0~160.0℃ | 146.8~ 147.5℃ |
| Optical Puritas | <0.20% D-Enantiomer | 0.0078% |
| Solutio in claritate | 0.3 gram in 2ml DMF Solutio Serena | Obsequitur |
| Kaiser Test | <0.05% | <0.05% |
| Aquae Caroli Fischer | <0.50% | 0.37% |
| Damnum in Siccatio | <0.50% (70℃, 2h) | 0.23% |
| Fmoc-β-Ala-OH | <0.10% (HPLC) | Obsequitur |
| Fmoc-β-Ala-Asp (OtBu)-OH | <0.10% (HPLC) | Obsequitur |
| Fmoc-Asp(OtBu)-Asp(OtBu)-OH | <0.10% (HPLC) | Obsequitur |
| Fmoc-Asp-OH | <0.10% (HPLC) | Obsequitur |
| Amino acid | <0.20% (GC) | Obsequitur |
| Ethyl Acetate | <0.50% (GC) | Obsequitur |
| Puritas / Analysis Methodus | >99.0% (HPLC) | 99.84% |
| Massa Imaginis | Secundum Latin | Obsequitur |
| NMR Imaginum | Secundum Latin | Obsequitur |
| conclusio | Productum probatum est & obsequitur datis specificationibus | |
sarcina: Fluorinated Utrem, aluminium ffoyle, 25kg/cardboard Drum, vel secundum exigentiam emptoris.
Repono Condition:Condite in vasis obsignatis apud frigus et siccum (2~8℃) horreum ab substantiis incompossibilibus.A luce et humore protege.
Quam mercari?Quaeso contactumDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Annorum Usus?Plus quam XV annos experientiae habemus in fabricando et exportando amplis intermediis pharmaceuticis vel alchimicis pharmaceuticis amplis.
Mercatus principalis?Vendere mercatum domesticum, Americam septentrionalem, Europam, Indiam, Coream, Iaponicam, Australiam etc.
Commodi?Superior qualitas, parabilis pretium, officia professionalia et subsidia technica, ieiunium partus.
Qualitasfides?Qualitas strictioris temperantiae ratio.Pro instrumento analysi professionali includuntur NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Claritas, Solubilitas, Microbialis limes test, etc.
Exempla?Pleraque producta praebent exempla gratuita pro qualitate aestimationis, sumptus naviculas a clientibus solvendos.
Factory Audit?Factory audit gratissimum.Quaeso ante constitutum.
MOQ?Nec MOQ.Parvus ordo placet.
Tempus adferendi? Si intus prosapia, tres dies partus praestatur.
Transportatio?Per Express (FedEx, DHL), ab Air, per Mare.
Documenta?Post servitium venditionis: COA, MOA, ROS, MSDS, etc. praeberi possunt.
Consuetudo Synthesis?Consuetudo synthesis officia praebere potest ad optimas investigationes tuas necessitates aptandas.
Pensio conditio?Proforma cautionis primum post confirmationem ordinis mittetur, informationes nostrae ripae inclusas.Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
Periculosam symbola Xi - Irritant
Periculum Codes 36/37/38 - Irritando ad oculos, systema respiratorium et cutem.
Salutis descriptio S24/25 - contactus cum cute et oculis fuge.
S36/37/39 - Indumentum tutelae idoneum, caestus et oculi/facies tutelam gerunt.
S27 - Exue illico omnem vestem contaminatam.
S26 - In contactu cum oculis, statim cum aqua multa ablue et consilium medicinae quaeras.
WGK Germania 3
HS CIC 2922491990
Aleam Class INRITANT
Fmoc-L-Asparticus acidum β-tert-Butyl Ester (Fmoc-Asp(OtBu)-OH) (CAS: 71989-14-5) est medium chemicum, vulgo in synthesi polypeptide adhibitum, ad tutelam acidum amino.Acida fmoc-amino, in synthesi peptide adhibita, adhibentur ut synthesis organica media, media pharmaceutica, reagens vel chemica reagens.
Praeparatio: Add 581g de acetate acetate tert-Butyl et 133g acidi Aspartici ad utrem oris ML trium, move, et adde hydropicum acidi perchlorici, reactionem ad 10℃ per 48 horas, ad 0℃ refrigeratum, deinde adiectae 700ml aquae; extractum (acetatum reliquae tert-Butyl extrahendi solvendo), neutraliter cum Na2CO3 ad pH = 7, separatio liquida, stratum tert-Butyl acetatis coactum sub pressione redactum ad mixturam Asp(OtBu)2, Asp(OtBu) obtinendam. et Asp-OtBu oleum, quod mixtis lavacro aqueo utendum est.Mixtura inde ad 125 ml utres tres translata est, G cuso4·5H2O addita est, et pH cum acido hydrochlorico coacto 3 adaequatum est.Mixtura commota et calefacta ad 50℃.Ad 12 horas praeparanda Cu[Asp(OtBu)] x.(x = 1~2);Deinde ad cubiculum temperatura, 116.2G tetramethylethylenediaminum et 300ml dioxanum adde, ac deinde pH ad 8~9 componito cum triethylamine ut Asp(OtBu praeparet);adde 82gFmoc-OSu in Asp(OtBu), conserva pH 8~9, agere per 8 horas, deinde extrahere cum acetate ethyl, acocidere, abluere aqua, destillationem vacuum, crystallizationem, desiccare, 85g ex acido Fmoc-L-aspartico. -tert-butyl ester in cede adeptus est 20.7%.Per HPLC analysis of Fmoc-L-Aspartici Acidum β-tert-Butyl Ester.
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