4-Nitro-L-Phenylalanine Hydrate CAS 949-99-5 Purity > 99.0% (HPLC) Hoobkas
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom ntawm 4-Nitro-L-Phenylalanine Hydrate (H-Phe(4-NO2)-OH∙H2O) (CAS: 949-99-5) nrog cov khoom zoo.Ruifu Chemical muab ntau cov amino acids.Peb tuaj yeem muab cov khoom xa tuaj thoob ntiaj teb, tus nqi sib tw, me me thiab ntau ntau muaj.Please contact: alvin@ruifuchem.com
Tshuaj npe | 4-Nitro-L-Phenylalanine Hydrate |
Synonyms | H-Phe(4-NO2)-OH∙H2O;H-Phe(4-NO2)-OH Hydrate;(S)-2-Amino-3-(4-Nitrophenyl) propanoic acid Hydrate |
Tshuag xwm txheej | Hauv Tshuag |
CAS Nr | 949-99-5 |
Molecular Formula | C9H10N2O4 · H2O |
Molecular Luj | 210.19 · 18.02 g / mol |
Melting Point | 236.0 ~ 239.0 ℃ (Lub Kaum Ob Hlis) |
Qhov ntom | 1.408 ± 0.06 g / cm3 |
Cia Temp. | Qhov chaw txias & qhuav (2 ~ 8 ℃) |
COA & MSDS | Muaj |
Qeb | Tsis zoo Amino Acids |
Hom | Ruifu Tshuaj |
Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
Qhov tshwm sim | Dawb rau lub teeb daj Crystal hmoov | Ua raws |
Kev sib hloov tshwj xeeb [α]20/D | 7.0° ± 2.0° (C = 1, 1N HCl) | + 7.6 ° C |
Dej los ntawm Karl Fischer | <10.0% | Ua raws |
Residue ntawm Ignition | <0.20% | 0.08% |
Heavy Metals (Pb) | ≤10ppm | <10ppm |
Purity / Analysis Method | > 99.0% (HPLC) | 99.3% |
Infrared Spectrum | Raws li tus qauv | Ua raws |
NMR Spectrum | Raws li tus qauv | Ua raws |
Xaus | Cov khoom tau raug kuaj & ua raws li cov specifications |
Pob:Lub raj mis, 25kg / Cardboard Nruas, lossis raws li cov neeg siv khoom xav tau.
Cia txias:Khaws rau hauv cov thawv ntim khoom ntawm qhov txias thiab qhuav (2 ~ 8 ℃) warehouse kom deb ntawm cov khoom tsis sib xws.Tiv thaiv los ntawm lub teeb thiab noo noo.
Shipping:Xa mus thoob ntiaj teb los ntawm FedEx / DHL Express.Muab kev xa khoom sai thiab txhim khu kev qha.
Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Xyoo Kev Paub?Peb muaj ntau tshaj li 15 xyoo ntawm kev paub nyob rau hauv kev tsim thiab export ntawm ib tug ntau yam ntawm zoo tshuaj intermediates los yog zoo tshuaj.
Kev lag luam loj?Muag rau kev lag luam hauv tsev, North America, Europe, India, Kauslim, Nyiv, Australia, thiab lwm yam.
Qhov zoo?Superior zoo, tus nqi pheej yig, kev pabcuam tshaj lij thiab kev txhawb nqa kev pabcuam, xa khoom sai.
ZooKev lees paub?Kev tswj xyuas nruj nruj.Cov cuab yeej tshaj lij rau kev txheeb xyuas suav nrog NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, thiab lwm yam.
Cov qauv?Cov khoom lag luam feem ntau muab cov qauv dawb rau kev soj ntsuam zoo, tus nqi thauj khoom yuav tsum tau them los ntawm cov neeg siv khoom.
Factory Audit?Lub Hoobkas tshawb xyuas txais tos.Thov teem caij ua ntej.
MOQ?Tsis muaj MOQ.Kev txiav txim me me tau txais.
Lub sij hawm xa tuaj? Yog hais tias nyob rau hauv Tshuag, peb hnub shipping guaranteed.
Kev thauj mus los?Los ntawm Express (FedEx, DHL), los ntawm Cua, los ntawm hiav txwv.
Cov ntaub ntawv?Kev pab cuam tom qab muag: COA, MOA, ROS, MSDS, thiab lwm yam tuaj yeem muab tau.
Kev cai Synthesis?tuaj yeem muab cov kev pabcuam sib xyaw ua ke kom haum rau koj cov kev xav tau tshawb fawb.
Cov nqe lus them nqi?Proforma invoice yuav raug xa ua ntej tom qab kev pom zoo ntawm kev txiav txim, kaw peb cov ntaub ntawv hauv tuam txhab nyiaj.Kev Them Nyiaj los ntawm T / T (Telex Transfer), PayPal, Western Union, thiab lwm yam.
Risk Codes
R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R22 - Ua phem yog tias nqos
R34 - Ua rau kub hnyiab
R11 - Cov nplaim hluav taws kub heev
Kev nyab xeeb piav qhia
S26 - Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S36/37/39 - Hnav cov khaub ncaws tiv thaiv, hnab looj tes thiab tiv thaiv qhov muag / ntsej muag.
S22 - Tsis txhob nqus plua plav.
S45 - Thaum muaj xwm txheej lossis yog tias koj tsis xis nyob, nrhiav kev kho mob tam sim ntawd (qhia daim ntawv lo thaum twg los tau.)
S16 - Khaws kom deb ntawm qhov chaw hluav taws xob.
UN IDs 2811
RTECS AY7400000
HS Code 2922491990
Kev Ceeb Toom Tsis Txaus Siab
4-Nitro-L-Phenylalanine Hydrate (H-Phe(4-NO2)-OH∙H2O) (CAS: 949-99-5) yog siv rau hauv peptide synthesis, hom tshuaj tiv thaiv: tshuaj theem peptide synthesis.Siv ua cov organic synthesis intermediate, tshuaj intermediate, biochemical reagent lossis tshuaj reagent.
Txoj kev npaj L-Phenylalanine 16.5g (mmol) tau yaj nyob rau hauv 50ml ntawm 85% H2SO4, nws tau ntxiv dropwise nrog stirring rau ib tug tov acid ntawm concentrated hno3-concentrated H2SO4 (V / V: 1.4 / 1.1) preconfigured thiab txias rau chav tsev kub. , thiab cov tshuaj tiv thaiv tau nplawm ntawm chav tsev kub rau 5H, cov tshuaj tiv thaiv tau hloov kho rau pH2-3 nrog 40%NaOH los tsim ib tug loj npaum li cas ntawm precipitate.Lub precipitate tau lim, ntxuav nrog dej kom txog thaum nruab nrab, thiab qhuav hauv qhov txo qiskom tau 4-nitro-l-phenylalanine.