L-Valinol CAS 2026-48-4 (H-Val-ol) Mimọ ≥99.0% (GC) E/E ≥99.0% Factory
Shanghai Ruifu Chemical Co., Ltd jẹ olupilẹṣẹ asiwaju ti L-Valinol (H-Val-ol) (CAS: 2026-48-4) 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 L-Valinol,Please contact: alvin@ruifuchem.com
| Orukọ Kemikali | L-Valinol |
| Awọn itumọ ọrọ sisọ | 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 |
| Iṣura Ipo | Ninu Iṣura, Agbara iṣelọpọ si Awọn Toonu fun oṣu kan |
| Nọmba CAS | 2026-48-4 |
| Ilana molikula | C5H13NO |
| Òṣuwọn Molikula | 103,17 g / mol |
| Ojuami Iyo | 30.0 ~ 34.0 ℃ |
| Ojuami farabale | 80.0 ~ 81.0℃/8 mm Hg(tan.) |
| iwuwo | 0.926 g/mL ni 25 ℃ (tan.) |
| Atọka Refractive n20/D | 1.4538 ~ 1.4558 (itanna) |
| Ni imọlara | Afẹfẹ Ifamọ |
| Omi Solubility | Tiotuka ninu Omi |
| Ibi ipamọ otutu. | Itura & Ibi Gbẹ (2 ~ 8℃) |
| COA & MSDS | Wa |
| Ẹka | Amino Alcohols |
| Brand | Ruifu Kemikali |
| Awọn nkan | Ayewo Standards | Awọn abajade |
| Ifarahan | Liquid Funfun tabi Alailowaya | Ibamu |
| Yiyi pato [α] 20/D | +16.0°±1.0° (C=10, C2H5OH) | +16.5° |
| Ojuami Iyo | 30.0 ~ 34.0 ℃ | 30.0 ~ 33.0 ℃ |
| Omi nipa Karl Fischer | <0.50% | 0.15% |
| Awọn Irin Eru (Pb) | ≤10ppm | <10ppm |
| Aimọ Kanṣoṣo | ≤0.50% | Ibamu |
| Lapapọ Awọn Aimọ | ≤1.00% | Ibamu |
| Mimọ / Analysis Ọna | ≥99.0% (GC) | 99.37% |
| E/E | ≥99.0% | Ibamu |
| Infurarẹẹdi julọ.Oniranran | Ni ibamu si Eto | Ibamu |
| Akiyesi | Ọja yii jẹ aaye yo kekere ti o lagbara, o le yipada ipo ni awọn agbegbe oriṣiriṣi (lile, olomi tabi ologbele-ra) | |
| Ipari | Ọja naa ti ni idanwo & ni ibamu pẹlu awọn pato | |
Apo:Igo, 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.O jẹ ifarabalẹ si afẹfẹ.Dabobo lati ina ati ọrinrin.
Gbigbe:Firanṣẹ si agbaye nipasẹ FedEx / DHL Express.Pese ifijiṣẹ yarayara ati igbẹkẹle.
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 aami ewu Xi - Irritant
Awọn koodu ewu
R36 - irritating si awọn oju
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Abo
S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S24/25 - Yago fun olubasọrọ pẹlu ara ati oju.
S36 - Wọ aṣọ aabo to dara.
WGK Germany 3
FLUKA BRAND F CODES 10-23
HS koodu 2922491990
Ewu Class IRRITANT
Ọna Itupalẹ L-Valinol (GC)
1 Ilana Apejuwe naa jẹ vaporized nipasẹ ọwọn chromatographic ki awọn paati ti o yẹ ki o wọn niya, ati pe oluwari ionization flame hydrogen ni a lo lati rii nọmba naa.Akoonu tente oke akọkọ jẹ iwọn ni ibamu si ẹrọ naa.
2. Ohun elo
Gaasi ti ngbe: diẹ sii ju 99.95% nitrogen
Gaasi: tobi ju 99.95% hydrogen
Gaasi iranlọwọ: diẹ sii ju 99.95% afẹfẹ
Chromatograph: Lunan Chemical Instrument Factory 6800A gaasi chromatograph
Àwọ̀n: SE-54 òpó ọ̀wọ̀n (30M)
Oluwari: hydrogen flame ionization oluwari.
3. Ohun elo reagent: ethanol
4. Awọn ipo idanwo
Iwọn otutu ti aṣawari: 250 ℃
Ooru iyẹwu otutu: 250 ℃
Iwọn otutu: 160 ℃
Tẹtẹ-ọwọn: 0.05MPa
Hydrogen: 0.06MPa
Afẹfẹ: 0.06MPa
Iwọn apẹẹrẹ: 0.1ul
ratio Shunt: 50:1
Apeere igbaradi: Ayẹwo ti wa ni tituka ni ethanol
Ọna fun itupalẹ chiral ti Valinol
Fmoc-Valinol ti pese sile nipasẹ iṣesi ti 1mg/mg Valinol pẹlu Fmoc-OSU.1mg valerine títúnṣe nipasẹ Fmoc
Tituka pẹlu 1 milimita ti MEOH, 2 milimita ti ayẹwo ni abẹrẹ sinu ẹrọ idanwo HPLC ti o sopọ si iwe ayẹwo chiral kan
Si iwọn sisan ti 0.5ml/s, FMOC-L-VALINOL tente oke ni awọn aaya 19, FMOC-D-VALINOL tente oke ni awọn aaya 58.
Ọna fun ipinnu ti iyipo Valinol
1. Lẹhin ti lulú ti wa ni titan, tan-an iyipada agbara ati ki o duro fun 15min lati jẹ ki atupa iṣuu soda mu ni imurasilẹ.
2. Tan-an iyipada orisun ina, ati ina iṣuu soda ti tan labẹ ipese agbara DC.
3. Mura tube idanwo.
4, ninu tube ti pese sile lati abẹrẹ trichloromethane epo, tẹ bọtini "odo", ki ifihan jẹ odo.
5. Yọ epo ti o ṣofo kuro ki o si ṣan ayẹwo lati ṣe idanwo.
6, igbaradi ayẹwo: sọ 2.5g ayẹwo pẹlu iwọn didun omi si 25ml.
7. Tẹ “Iwọn” lati ṣafihan abajade wiwọn akọkọ, tẹ “idanwo” lati ṣafihan abajade keji, ki o tẹ “Tundanwo” lẹẹkansi.
Abajade kẹta ti han.
8. Iṣiro:
20 a * 100
[a]=---------------------------------
D ml*-----*100
25
Ninu agbekalẹ, a jẹ iye apapọ ti awọn abajade wiwọn mẹta.
l: tube idanwo pẹlu ipari ti 1dm.
m: Awọn didara ti awọn ayẹwo.
L-Valinol (H-Val-ol) (CAS: 2026-48-4), le ṣee lo ni peptide kolaginni, tun le ṣee lo bi ohun Organic synthesis agbedemeji, elegbogi agbedemeji, biokemika reagent tabi kemikali reagent.L- (+) -Valinol fesi pẹlu aldehydes ati nitriles lati ṣe awọn imines ati oxazolines, lẹsẹsẹ, fun iṣelọpọ asymmetric.O tun ti lo fun igbaradi ti 4-isopropyloxazolidinones, oojọ ti ni stereocontrolled aldol ati alkylation aati, kolaginni ti chiral 2-thiazolidinethiones fun aldol aati, asymmetric alkylation ti ọja condensation pẹlu keto acids, asymmetric aati ti awọn amidines ati imines N-ati oxidation. itọsẹ idaabobo si aldehyde.
