L-Valinol CAS 2026-48-4 (H-Val-ol) Pure ≥99.0% (GC) E/E ≥99.0% Factory
Ko Shanghai Ruifu Chemical Co., Ltd. te kaihanga matua o L-Valinol (H-Val-ol) (CAS: 2026-48-4) me te kounga teitei.Ko Ruifu Chemical he raupapa waikawa amino.Ka taea e taatau te tuku tuku i te ao, te utu whakataetae, te iti me te rahinga e waatea ana.Hoko L-Valinol,Please contact: alvin@ruifuchem.com
| Ingoa matū | L-Valinol |
| Nga kupu taurite | 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 |
| Tūnga Taonga | I roto i te Raarangi, Te Raahanga Whakaputa ki Toni ia Marama |
| Tau CAS | 2026-48-4 |
| Tātai rāpoi | C5H13NO |
| Taumaha rāpoi | 103.17 g/mol |
| Iwi Whakarewa | 30.0~34.0℃ |
| Kohuatanga | 80.0~81.0℃/8 mm Hg(marama) |
| Kiato | 0.926 g/mL i te 25 ℃(marama) |
| Taupū Refactive n20/D | 1.4538~1.4558(marama) |
| Tairongo | Te rangi tairongo |
| Wairewa wai | Wairewa ki te wai |
| Rokiroki Temp. | Wahi Matao me te maroke (2~8℃) |
| COA & MSDS | Kei te waatea |
| Kāwai | Waipiro Amino |
| Waitohu | Ruifu Chemical |
| Nga taonga | Nga Paerewa Tirotiro | Hua |
| Te ahua | Mā Mārō, Wai Taekore rānei | Ka tutuki |
| Hurihuri Tau [α]20/D | +16.0°±1.0° (C=10, C2H5OH) | +16.5° |
| Iwi Whakarewa | 30.0~34.0℃ | 30.0~33.0℃ |
| Wai na Karl Fischer | <0.50% | 0.15% |
| Konga Taamaha (Pb) | ≤10ppm | <10ppm |
| Te poke kotahi | ≤0.50% | Ka tutuki |
| Nga poke katoa | ≤1.00% | Ka tutuki |
| Te Maama / Tikanga Tatauria | ≥99.0% (GC) | 99.37% |
| E/E | ≥99.0% | Ka tutuki |
| Spectrum Infrared | He rite ki te Hanganga | Ka tutuki |
| Tuhipoka | Ko tenei hua he iti te ira whakarewa totoka, ka rereke pea te ahua i roto i nga taiao rereke (totoka, wai, ahua-totoka ranei) | |
| Whakamutunga | Kua whakamatauria te hua me te whai ki nga whakaritenga | |
Mōkī:Pounamu, Peeke konumohe konumohe, 25kg / Cardboard Drum, kia rite ranei ki te hiahia a te kaihoko.
Tikanga Rokiroki:Rokiroki i roto i nga ipu hiri ki te whare putunga makariri me te maroke (2~8 ℃) i tawhiti atu i nga matū hotokore.He tairongo ki te hau.Tiaki i te marama me te makuku.
Tukunga:Tukuna ki te ao ma te FedEx / DHL Express.Whakaratohia te tuku tere me te pono.
Me pehea te hoko?Whakapā maiDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 tau te wheako?Neke atu i te 15 tau o matou wheako ki te hanga me te kaweake i te whānuitanga o nga momo takawaenga rongoa kounga teitei, matū pai ranei.
Nga maakete matua?Hokona ki te maakete kaainga, Amerika Te Tai Tokerau, Uropi, Inia, Korea, Hapani, Ahitereiria, aha atu.
Nga painga?Ko te kounga teitei, te utu utu, nga ratonga ngaio me te tautoko hangarau, te tuku tere.
KoungaWhakapumautanga?Pūnaha whakahaere kounga tino.Ko nga taputapu ngaio mo te tātari ko te NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Tauira?Ko te nuinga o nga hua e whakarato ana i nga tauira kore utu mo te aromatawai kounga, me utu nga utu kaipuke e nga kaihoko.
Te arotake a wheketere?Nau mai te arotake wheketere.Whakaritea he hui i mua.
MOQ?Kaore he MOQ.Ka whakaaetia te ota iti.
Wā Tukunga? Mena kei roto i nga taonga, e toru nga ra ka whakamanahia te tuku.
Te kawe waka?Ma te Express (FedEx, DHL), ma te Air, ma te Moana.
Tuhinga?I muri i te ratonga hokohoko: COA, MOA, ROS, MSDS, me etahi atu ka taea te whakarato.
Whakaritenga Whakaritenga?Ka taea te whakarato ratonga whakahiato ritenga kia pai ai to hiahia rangahau.
Nga tikanga utu?Ko te nama Proforma ka tukuna tuatahi i muri i te whakapumautanga o te ota, ka kohia o maatau korero peeke.Te utu ma te T/T (Telex Transfer), PayPal, Western Union, etc.
Nga Tohu Moorearea Xi - Irirangi
Waehere Morearea
R36 - He whakapataritari ki nga kanohi
R36/37/38 - He whakapataritari ki nga kanohi, te punaha manawa me te kiri.
Whakaahuatanga Haumaru
S26 - Mena ka pa ki nga kanohi, horoi tonu ki te nui o te wai me te rapu tohutohu hauora.
S24/25 - Kaua e pa ki te kiri me nga kanohi.
S36 - Mau kakahu whakamarumaru tika.
WGK Tiamana 3
FLUKA BRAND F CODES 10-23
Waehere HS 2922491990
Ko te Roopu Whakamate
L-Valinol Tikanga Tātari (GC)
1 Tikanga Ka ngongohia te tauira i roto i te pou chromatographic kia wehea ai nga wae hei ine, ka whakamahia te katote katote ira hau hauwai hei kimi i te tau.Ko te ihirangi tihi matua ka tohua kia rite ki te tikanga.
2. Taputapu
hau kawe: neke atu i te 99.95% hauota
Hau: nui ake i te 99.95% hauwai
Hau awhina: neke atu i te 99.95% hau
Chromatograph: Lunan Chemical Instrument Factory 6800A hau chromatograph
Tīwae: SE-54 tīwae capillary (30M)
Pūtirotiro: pūhohe katote mura hauwai.
3. Reagent Taupānga: waihā
4. Nga tikanga whakamatautau
Te pāmahana o te kaitirotiro: 250 ℃
Te wera o te ruma whakangohu: 250 ℃
Te pāmahana tīwae: 160℃
Te pehanga o mua-tīwae: 0.05MPa
Hauwai: 0.06MPa
Hau: 0.06MPa
Rahi tauira: 0.1ul
Te ōwehenga whakaheke: 50:1
Te whakarite tauira: Ka rewa te tauira ki te waihano
Tikanga mo te tātari chiral o Valinol
I whakaritea a Fmoc-Valinol ma te tauhohenga o 1mg/mg Valinol me Fmoc-OSU.1mg valerine i whakarereketia e Fmoc
Whakarewa ki te 1ml o MEOH, 2ml o te tauira i werohia ki roto i tetahi taputapu whakamatautau HPLC e hono ana ki tetahi pou whakamatautau chiral.
Ki te tere rere o te 0.5ml / s, te tihi FMOC-L-VALINOL i te 19 hēkona, te tihi FMOC-D-VALINOL i te 58 hēkona.
Tikanga mo te whakatau i te hurihanga Valinol
1. I muri i te whakakā o te paura, whakakāhia te whakakā hiko me te tatari mo te 15min kia whiti te rama konutai.
2. Whakakāhia te pana rama rama, ka tahuna te rama konutai i raro i te hiko DC.
3. Whakaritea te ipuipu.
4, i roto i te ngongo kua rite ki te wero trichloromethane whakarewa, pēhi i te kī "kore", kia kore te whakaaturanga.
5. Tangohia te whakarewa patea ka werohia te tauira hei whakamatautau.
6, te whakarite tauira: mea atu 2.5g tauira ki te rōrahi wai ki te 25ml.
7. Patohia te "Measurement" hei whakaatu i te hua ine tuatahi, pehia te "whakamatautau" hei whakaatu i te hua tuarua, ka pehi ano "Whakamatau" ano.
Ka whakaatuhia te hua tuatoru.
8. Tātaitanga:
20 a *100
[a]=------------------------
D ml*------------*100
25
I roto i te tātai, ko te a te uara toharite o nga hua ine e toru.
l: ngongo whakamatautau me te 1dm te roa.
m: Te kounga o te tauira.
L-Valinol (H-Val-ol) (CAS: 2026-48-4), ka taea te whakamahi i roto i te peptide synthesis, ka taea hoki te whakamahi hei takawaenga whakahiato waro, takawaenga rongoa, reagent biochemical, reagent matū ranei.L-(+)-Ka tauhohe a Valinol me te aldehydes me te nitriles ki te hanga imine me te oxazolines, mo te whakahiato hangarite.Ka whakamahia ano hoki mo te whakarite i nga 4-isopropyloxazolidinones, e whakamahia ana i roto i nga tauhohenga aldol me te alkylation stereocontrolled, te whakahiato o te chiral 2-thiazolidinethones mo nga tauhohenga aldol, te alkylation asymmetric o te hua condensation me nga waikawa keto, nga tauhohenga riterite o ona amidines me nga imines me te waikura pärönaki tiaki ki te aldehyde.
