L-Valinol CAS 2026-48-4 (H-Val-ol) Tsafta ≥99.0% (GC) E/E ≥99.0% Factory
Shanghai Ruifu Chemical Co., Ltd. shine babban kamfani na L-Valinol (H-Val-ol) (CAS: 2026-48-4) tare da babban inganci.Ruifu Chemical yana ba da jerin amino acid.Za mu iya samar da isarwa a duniya, farashi mai gasa, ƙanana da yawa da ake samu.Sayi L-Valinol,Please contact: alvin@ruifuchem.com
| Sunan Sinadari | L-Valinol |
| Makamantu | 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 |
| Matsayin Hannun jari | A Hannun jari, Ƙarfin Samarwa zuwa Ton a kowane wata |
| Lambar CAS | 2026-48-4 |
| Tsarin kwayoyin halitta | C5H13N |
| Nauyin Kwayoyin Halitta | 103.17 g/mol |
| Matsayin narkewa | 30.0 ~ 34.0 ℃ |
| Wurin Tafasa | 80.0 ~ 81.0 ℃/8 mm Hg (lit.) |
| Yawan yawa | 0.926 g/ml a 25 ℃ (lit.) |
| Fihirisar Refractive n20/D | 1.4538 ~ 1.4558 (lit.) |
| M | Hankalin iska |
| Ruwan Solubility | Mai narkewa a cikin Ruwa |
| Adana Yanayin. | Wuri Mai sanyi & Busassun wuri (2 ~ 8 ℃) |
| COA & MSDS | Akwai |
| Kashi | Amino Alcohols |
| Alamar | Ruifu Chemical |
| Abubuwa | Ka'idojin dubawa | Sakamako |
| Bayyanar | Ruwan Fari mai ƙarfi ko mara launi | Ya bi |
| Takamaiman Juyawa [α] 20/D | +16.0°±1.0° (C=10, C2H5OH) | + 16.5 ° |
| Matsayin narkewa | 30.0 ~ 34.0 ℃ | 30.0 ~ 33.0 ℃ |
| Ruwa ta Karl Fischer | <0.50% | 0.15% |
| Karfe masu nauyi (Pb) | ≤10ppm | <10ppm |
| Tsaftace Guda Daya | ≤0.50% | Ya bi |
| Jimlar ƙazanta | ≤1.00% | Ya bi |
| Tsarkake / Hanyar Bincike | ≥99.0% (GC) | 99.37% |
| E/E | ≥99.0% | Ya bi |
| Infrared Spectrum | Yayi daidai da Tsarin | Ya bi |
| Lura | Wannan samfurin yana da ƙarancin narkewa mai ƙarfi, yana iya canza yanayi a yanayi daban-daban (m, ruwa ko rabin-m) | |
| Kammalawa | An gwada samfurin kuma ya dace da ƙayyadaddun bayanai | |
Kunshin:Bottle, Aluminum tsare jakar, 25kg / Kwali Drum, ko bisa ga abokin ciniki ta bukata.
Yanayin Ajiya:Ajiye a cikin kwantena da aka rufe a wurin sanyi da bushe (2 ~ 8 ℃) nesa da abubuwan da ba su dace ba.Yana da kula da iska.Kare daga haske da danshi.
Jirgin ruwa:Bayarwa ga duniya ta FedEx / DHL Express.Bayar da isarwa cikin sauri kuma abin dogaro.
Yadda ake siya?Da fatan za a tuntuɓiDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Kwarewar Shekaru 15?Muna da fiye da shekaru 15 na gwaninta a cikin ƙira da fitarwa na matsakaicin matsakaicin magunguna masu inganci ko sinadarai masu kyau.
Manyan Kasuwanni?Sayarwa zuwa kasuwannin cikin gida, Arewacin Amurka, Turai, Indiya, Koriya, Jafananci, Australia, da sauransu.
Fa'idodi?Babban inganci, farashi mai araha, sabis na ƙwararru da tallafin fasaha, bayarwa da sauri.
inganciTabbaci?Tsananin kula da ingancin inganci.Kayan aikin ƙwararru don bincike sun haɗa da NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, gwajin ƙayyadaddun ƙwayoyin cuta, da sauransu.
Misali?Yawancin samfurori suna ba da samfurori kyauta don ƙima mai kyau, farashin jigilar kaya ya kamata a biya ta abokan ciniki.
Binciken Masana'antu?Ma'aikata duba maraba.Da fatan za a yi alƙawari a gaba.
MOQ?Babu MOQ.Karamin tsari abin karɓa ne.
Lokacin Bayarwa? Idan cikin hannun jari, garantin isar da kwana uku.
Sufuri?By Express (FedEx, DHL), ta Air, ta Teku.
Takardu?Bayan sabis na tallace-tallace: COA, MOA, ROS, MSDS, da dai sauransu za a iya ba da su.
Haɗin Kan Al'ada?Zai iya ba da sabis na haɗawa na al'ada don dacewa da buƙatun bincikenku.
Sharuɗɗan Biyan kuɗi?Za a fara aiko da daftari na Proforma bayan tabbatar da oda, an rufe bayanan bankin mu.Biya ta T/T (Telex Transfer), PayPal, Western Union, da dai sauransu.
Alamomin haɗari Xi - Haushi
Lambobin haɗari
R36 - Haushi da idanu
R36/37/38 - Haushi da idanu, tsarin numfashi da fata.
Bayanin Tsaro
S26 - Idan ana hulɗa da idanu, kurkura nan da nan da ruwa mai yawa kuma ku nemi shawarar likita.
S24/25 - Guji hulɗa da fata da idanu.
S36 - Sanya tufafin kariya masu dacewa.
WGK Jamus 3
FLUKA BRAND F CODES 10-23
Lambar 2922491990
Ajin Hazari MAI GIRMA
Hanyar Nazarin L-Valinol (GC)
1 Ƙa'ida Ana yin tururi samfurin ta hanyar ginshiƙi na chromatographic ta yadda za a auna abubuwan da za a auna su rabu, kuma ana amfani da na'urar gano ionization na harshen wuta don gano lambar.Ana ƙididdige babban abun ciki na kololuwa bisa ga tsarin.
2. Kayan aiki
Gas mai ɗaukar nauyi: fiye da 99.95% nitrogen
Gas: sama da 99.95% hydrogen
Gas mai taimako: sama da 99.95% iska
Chromatograph: Lunan Chemical Instrument Factory 6800A gas chromatograph
Rukunin: SE-54 shafi na capillary (30M)
Mai ganowa: hydrogen flame ionization detector.
3. Aikace-aikacen reagent: ethanol
4. Yanayin gwaji
Zazzabi na ganowa: 250 ℃
Zazzabi mai zafi: 250 ℃
Yanayin zafin jiki: 160 ℃
Matsin lamba na farko: 0.05MPa
Hydrogen: 0.06MPa
Saukewa: 0.06MPa
Girman samfurin: 0.1ul
Rabon Shut: 50:1
Shirye-shiryen samfurin: An narkar da samfurin a cikin ethanol
Hanyar don nazarin chiral na Valinol
An shirya Fmoc-Valinol ta hanyar amsawa na 1 MG / MG Valinol tare da Fmoc-OSU.1 MG valerine modified ta Fmoc
An narkar da shi tare da 1ml na MEOH, 2ml na samfurin an allura a cikin na'urar tantancewar HPLC da aka haɗa zuwa ginshiƙi na gwaji na chiral
Zuwa yawan kwararar 0.5ml/s, FMOC-L-VALINOL kololuwa a dakika 19, kololuwar FMOC-D-VALINOL a dakika 58.
Hanyar don ƙayyade Valinol juyawa
1. Bayan an kunna foda, kunna wutar lantarki kuma jira 15min don sanya fitilar sodium ta haskaka a tsaye.
2. Kunna maɓallin hasken wuta, kuma ana kunna fitilar sodium a ƙarƙashin wutar lantarki na DC.
3. Shirya bututun gwaji.
4, a cikin bututu an shirya don allurar trichloromethane, danna maɓallin "sifili", don nunin zero.
5. Cire kaushi maras kyau kuma allurar samfurin da za a gwada.
6, samfurin shiri: ce 2.5g samfurin da ruwa girma zuwa 25ml.
7. Danna "Measurement" don nuna sakamakon auna na farko, danna "sake gwadawa" don nuna sakamako na biyu, kuma danna "Sake gwadawa".
Ana nuna sakamako na uku.
8. Lissafi:
20 a *100
[a]=----------------------------------
D ml*-----*100
25
A cikin dabara, a shine matsakaicin ƙimar sakamakon auna uku.
l: gwajin tube tare da tsawon 1dm.
m: ingancin samfurin.
L-Valinol (H-Val-ol) (CAS: 2026-48-4), za a iya amfani da a peptide kira, kuma za a iya amfani da matsayin Organic kira matsakaici, Pharmaceutical matsakaici, biochemical reagent ko sinadaran reagent.L- (+) - Valinol yana amsawa tare da aldehydes da nitriles don samar da imines da oxazolines, bi da bi, don haɓakar asymmetric.Hakanan ana amfani dashi don shirye-shiryen 4-isopropyloxazolidinones, wanda aka yi amfani da shi a cikin stereocontrolled aldol da halayen alkylation, kira na chiral 2-thiazolidinethiones don halayen aldol, asymmetric alkylation na samfuri tare da keto acid, halayen asymmetric na amidines da imines na oxidation. wanda aka kare zuwa aldehyde.
