L-Valinol CAS 2026-48-4 (H-Val-ol) Mama ≥99.0% (GC) E/E ≥99.0% Falegaosimea
Shanghai Ruifu Chemical Co., Ltd. o le taʻutaʻua taʻutaʻua o L-Valinol (H-Val-ol) (CAS: 2026-48-4) faʻatasi ai ma le maualuga.O le Ruifu Chemical e maua mai ai se faasologa o amino acids.E mafai ona matou tuʻuina atu i le lalolagi atoa le tuʻuina atu, tau faʻatauvaʻa, laʻititi ma tele aofaʻi avanoa.Fa'atau L-Valinol,Please contact: alvin@ruifuchem.com
| Igoa Vailaau | L-Valinol |
| Synonyms | H-Val-ol;L-Val-ol;L-(+)-Valinol;(+)-Valinol;H-Valinol;(S)-2-Amino-3-Methyl-1-Butanol;(S)-2-Amino-3-Methylbutan-1-ol |
| Tulaga Fa'asoa | I Fa'atauga, Gaosi Gaosi i Tone ile masina |
| Numera CAS | 2026-48-4 |
| Fuafua mole | C5H13NO |
| Molecular Weight | 103.17 g/mol |
| Lisi Lisi | 30.0~34.0 ℃ |
| Fa'apuna | 80.0~81.0℃/8 mm Hg(malamalama) |
| Malosi | 0.926 g/mL ile 25℃(malamalama) |
| Fa'asinoga Fa'asinomaga n20/D | 1.4538~1.4558(L.) |
| Ma'ale'ale | Ea maaleale |
| Suavai Solubility | Solu i le Vai |
| Temp. | Nofoaga malulu ma mago (2~8℃) |
| COA & MSDS | Avanoa |
| Vaega | Amino Alcohols |
| Fa'ailoga | Ruifu Chemical |
| Aitema | Tulaga Fa'atonu | I'uga |
| Fa'aaliga | Pa'epa'e Malosi po'o le Suavai e leai se lanu | E usitaia |
| Ta'amilosaga Fa'apitoa [α]20/D | +16.0°±1.0° (C=10, C2H5OH) | +16.5° |
| Lisi Lisi | 30.0~34.0 ℃ | 30.0~33.0 ℃ |
| Vai saunia e Karl Fischer | <0.50% | 0.15% |
| Metala Mamafa (Pb) | ≤10ppm | <10ppm |
| Le mama nofofua | ≤0.50% | E usitaia |
| Aofa'i Fa'aleaga | ≤1.00% | E usitaia |
| Mama / Suʻesuʻega Metotia | ≥99.0% (GC) | 99.37% |
| E/E | ≥99.0% | E usitaia |
| Alaleo Infrared | E tusa ma le Fauga | E usitaia |
| Manatua | O lenei oloa e maualalo le fa'afefeteina, e ono suia le tulaga i si'osi'omaga eseese (malosi, vai po'o semi-malosi) | |
| Fa'ai'uga | Ua fa'ata'ita'iina le oloa ma fa'amalieina fa'amatalaga | |
afifi:Fagu, Ato pepa alumini, 25kg/Kati Pusa, pe tusa ai ma manaoga o tagata faatau.
Tulaga teuina:Teu i totonu o pusa faʻamaufaʻailoga i le malulu ma mago (2 ~ 8 ℃) faleteuoloa mai mea e le fetaui.E maaleale i le ea.Puipui mai le malamalama ma le susu.
Va'a:Tu'u atu i le lalolagi atoa e FedEx / DHL Express.Tuuina atu vave ma faatuatuaina tiliva.
Fa'afefea ona Fa'atau?Fa'amolemole fa'afeso'ota'iDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Tausaga Aafiaga?E sili atu nai lo le 15 tausaga o le poto masani i le gaosiga ma le auina atu i fafo o le tele o tulaga maualuga o vailaʻau faʻapitoa poʻo vailaʻau lelei.
Maketi Autu?Faʻatau atu i maketi i totonu o le atunuʻu, Amerika i Matu, Europa, Initia, Korea, Iapani, Ausetalia, ma isi.
Tulaga lelei?Tulaga maualuga, tau taugofie, auaunaga faʻapolofesa ma lagolago faʻapitoa, vave tuʻuina atu.
Tulaga leleiFaamautinoaga?Fa'atonuga lelei faiga.O meafaigaluega faʻapitoa mo suʻesuʻega e aofia ai le NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Fa'ata'ita'iga?O le tele o oloa e maua ai faʻataʻitaʻiga e leai se totogi mo le iloiloga lelei, o tau o felauaiga e tatau ona totogi e tagata faʻatau.
Fale Su'etusi?Fa'afeiloa'i su'etusi falegaosimea.Fa'amolemole fai se taimi vave.
MOQ?Leai MOQ.Laititi oka e talia.
Taimi Tiliva? Afai o loʻo i totonu o faʻatauga, e tolu aso e faʻamaonia le tuʻuina atu.
Felauaiga?E ala ile Express (FedEx, DHL), ile Air, ile Sea.
Pepa?A maeʻa le faʻatau atu auaunaga: COA, MOA, ROS, MSDS, ma isi mea e mafai ona tuʻuina atu.
Tulaga Fa'apitoa?E mafai ona tu'uina atu au'aunaga tu'ufa'atasiga fa'apitoa e fetaui lelei ma au su'esu'ega mana'oga.
Tulaga Totogi?Proforma invoice o le a lafo muamua pe a maeʻa le faʻamaoniga o le poloaiga, faʻapipiʻi a matou faʻamatalaga faletupe.Totogi e le T / T (Telex Transfer), PayPal, Western Union, ma isi.
Fa'ailoga Mata'utia Xi - Itaita
Tulaga lamatia
R36 - Fa'aitaita i mata
R36/37/38 - Fa'aitaita'i i mata, faiga manava ma le pa'u.
Fa'amatalaga Saogalemu
S26 - Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga faafoma'i.
S24/25 - Aloese mai le pa'i i le pa'u ma mata.
S36 - Fa'aofu ofu puipui talafeagai.
WGK Siamani 3
FLUKA BRAND F CODES 10-23
HS Code 2922491990
Vasega o Tulaga Lamatia
L-Valinol Method of Analysis (GC)
1 Fa'avae O le fa'ata'ita'iga o lo'o fa'aasa i le koluma chromatographic ina ia tu'u'ese'ese vaega o le a fuaina, ma fa'aoga le su'esu'ega o le afi o le hydrogen e iloa ai le numera.O le autu autu autu o loʻo faʻatatauina e tusa ai ma le masini.
2. Meafaigaluega
Kasa ave: sili atu i le 99.95% nitrogen
Kasa: sili atu nai lo le 99.95% hydrogen
Auxiliary gas: sili atu i le 99.95% ea
Chromatograph: Lunan Chemical Instrument Factory 6800A gas chromatograph
Koluma: SE-54 koluma capillary (30M)
Su'esu'e: su'esu'e ionization afi afi.
3. Reagent fa'aoga: ethanol
4. Tulaga o su'ega
Maalili ole su'esu'e: 250℃
Vaporizing potu vevela: 250℃
Koluma vevela: 160℃
Omiga muamua koluma: 0.05MPa
Vaivai: 0.06MPa
Ea: 0.06MPa
Fa'ata'ita'iga tele: 0.1ul
Fuafuaga o le Shunt: 50:1
Sauniuniga faʻataʻitaʻiga: O le faʻataʻitaʻiga o loʻo faʻamavae ile ethanol
Metotia mo su'esu'ega chiral o Valinol
Fmoc-Valinol na saunia e ala i le tali atu o le 1mg/mg Valinol ma le Fmoc-OSU.1mg valerine suia e Fmoc
Fa'amuta ma le 1ml MEOH, 2ml o le fa'ata'ita'iga na tui i totonu o se masini su'esu'e HPLC e feso'ota'i ma se koluma su'esu'e chiral.
I le tafe o le 0.5ml / s, o le maualuga o le FMOC-L-VALINOL ile 19 sekone, ole maualuga ole FMOC-D-VALINOL ile 58 sekone.
Metotia mo le fuafuaina ole suiga ole Valinol
1. A uma ona ki le paʻu, ki luga le ki ma faʻatali mo le 15min e faʻamumu ai le moli sodium.
2. Fa'aola le ki fa'apogai o le moli, ma fa'amumu le lamepa sodium i lalo ole sapalai eletise DC.
3. Saunia le faagaau su'esu'e.
4, i totonu o le paipa ua saunia e tui trichloromethane solvent, fetaomi le "zero" ki, ina ia le faaaliga e leai.
5. Aveese le vaifofo avanoa ma tui le faʻataʻitaʻiga e suʻe.
6, sauniuniga faʻataʻitaʻiga: fai atu 2.5g faʻataʻitaʻiga ma le voluma vai i le 25ml.
7. Faʻasalalau le "Fua" e faʻaalia ai le fua muamua o le fua, lolomi le "toe suʻe" e faʻaalia ai le faʻaiʻuga lona lua, ma toe lolomi le "Toe Tofotofo".
Ua fa'aalia le fa'ai'uga lona tolu.
8. Fa'atatau:
20 a *100
[a]=------------------------
D ml*------------*100
25
I le fua fa'atatau, a o le tau averesi o fua fa'atatau e tolu.
l: paipa su'esu'e ma le umi ole 1dm.
m: Le lelei o le faʻataʻitaʻiga.
L-Valinol (H-Val-ol) (CAS: 2026-48-4), e mafai ona faʻaaogaina i le peptide synthesis, e mafai foʻi ona faʻaaogaina e avea o se vailaʻau faʻapitoa, vailaʻau vaʻaia, biochemical reagent poʻo vailaʻau vailaʻau.L-(+)-Valinol e tali atu i aldehydes ma nitriles e fausia ai imines ma oxazolines, i le faasologa, mo le fa'aogaina o le asymmetric.E faʻaaogaina foʻi mo le sauniuniga o 4-isopropyloxazolidinones, faʻaaogaina i aldol ma alkylation faʻataʻitaʻiga, faʻasologa o chiral 2-thiazolidinethones mo tali aldol, alkylation asymmetric o mea condensation ma keto acids, asymmetric reactions o ana amidines ma imines ma oxidation o. puipuia e maua mai i le aldehyde.
