L-Valinol CAS 2026-48-4 (H-Val-ol) Maʻemaʻe ≥99.0% (GC) E/E ≥99.0% Hale Hana
ʻO Shanghai Ruifu Chemical Co., Ltd. ka mea hana nui o L-Valinol (H-Val-ol) (CAS: 2026-48-4) me ke kūlana kiʻekiʻe.Hāʻawi ʻo Ruifu Chemical i kahi pūʻulu o nā waikawa amino.Hiki iā mākou ke hāʻawi i ka hāʻawi honua, ke kumukūʻai hoʻokūkū, nā mea liʻiliʻi a me ka nui i loaʻa.Kūʻai iā L-Valinol,Please contact: alvin@ruifuchem.com
| Inoa Kimia | L-Valinol |
| Nā huaʻōlelo like | 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 |
| Kūlana Kūʻai | Ma ka waihona, hiki ke hana i nā tona i kēlā me kēia mahina |
| Helu CAS | 2026-48-4 |
| ʻĀpana Molekala | C5H13NO |
| Kaumaha Molekala | 103.17 g/mol |
| Lae hehee | 30.0~34.0 ℃ |
| Lae paila | 80.0~81.0 ℃/8 mm Hg(māmā) |
| ʻO ka mānoanoa | 0.926 g/mL ma 25 ℃ (māmā) |
| Hōʻike Hōʻikeʻike N20/D | 1.4538~1.4558(māmā) |
| Pilikino | Paʻi Lewa |
| Hiki i ka wai | Hiki i ka wai |
| Waihona Temp. | Wahi anuanu a maloo (2~8 ℃) |
| COA & MSDS | Loaʻa |
| Māhele | Nā Waiʻona Amino |
| Brand | Kemika Ruifu |
| Nā mea | Nā Kūlana Nānā | Nā hualoaʻa |
| Ka nana aku | Paʻa keʻokeʻo a i ʻole wai kala ʻole | Hoʻokō |
| Ka Po'ai Pono [α]20/D | +16.0°±1.0° (C=10, C2H5OH) | +16.5° |
| Lae hehee | 30.0~34.0 ℃ | 30.0~33.0 ℃ |
| Wai na Karl Fischer | <0.50% | 0.15% |
| Nā Metala Kaumaha (Pb) | ≤10ppm | <10ppm |
| Hoʻokahi haumia | ≤0.50% | Hoʻokō |
| Huina paumaele | ≤1.00% | Hoʻokō |
| Maʻemaʻe / Kaʻina Hanana | ≥99.0% (GC) | 99.37% |
| E/E | ≥99.0% | Hoʻokō |
| Infrared Spectrum | Kūlike i ka hoʻolālā | Hoʻokō |
| Nānā | He haʻahaʻa ka helu heheʻe paʻa kēia huahana, hiki ke hoʻololi i ke kūlana ma nā wahi like ʻole (paʻa, wai a semi-paʻa paha) | |
| Ka hopena | Ua hoʻāʻo ʻia ka huahana a hoʻokō i nā kikoʻī | |
Pūʻolo:ʻO ka ʻōmole, ʻeke ʻeke alumini, 25kg / pahu pahu pahu, a i ʻole e like me ka makemake o ka mea kūʻai aku.
Kūlana mālama:E kūʻai i loko o nā pahu i hoʻopaʻa ʻia ma kahi hale kūʻai maloʻo a maloʻo (2 ~ 8 ℃) mai nā mea like ʻole.He mea maʻalahi i ka ea.E pale i ka malamalama a me ka wai.
Hoʻouna:Hāʻawi i ka honua ma FedEx / DHL Express.Hāʻawi wikiwiki a hilinaʻi hoʻi.
Pehea e kūʻai ai?E ʻoluʻolu e kelepona maiDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 mau makahiki ʻike?Loaʻa iā mākou ma mua o 15 mau makahiki o ka ʻike i ka hana ʻana a me ka hoʻokuʻu ʻana aku i kahi ākea ākea o nā intermediates pharmaceutical kiʻekiʻe a i ʻole nā kemika maikaʻi.
Mākeke Nui?E kūʻai aku i ka mākeke kūloko, ʻAmelika ʻĀkau, ʻEulopa, India, Korea, Iapana, Australia, etc.
Nā pono?ʻO ke kūlana kiʻekiʻe, ke kumukūʻai kūpono, nā lawelawe ʻoihana a me ke kākoʻo ʻenehana, ka lawe wikiwiki ʻana.
ʻAno maikaʻiHōʻoiaʻiʻo?Pūnaehana hoʻomalu maikaʻi koʻikoʻi.ʻO nā lako ʻoihana no ka nānā ʻana ʻo NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Nā laʻana?Hāʻawi ka hapa nui o nā huahana i nā laʻana manuahi no ka loiloi maikaʻi, pono e uku ʻia ke kumukūʻai e nā mea kūʻai aku.
Hooia Hale Hana?Welina mai ka loiloi hale hana.E ʻoluʻolu e hoʻopaʻa manawa ma mua.
MOQ?ʻAʻohe MOQ.ʻAe ʻia ke kauoha liʻiliʻi.
Manawa Hoʻouna? Inā i loko o ka waihona, ʻekolu lā hoʻouna ʻia.
Kaʻahele?Ma ka Express (FedEx, DHL), ma ka Air, ma ke Kai.
Nā palapala?Ma hope o ka lawelawe kūʻai: COA, MOA, ROS, MSDS, etc.
Hoʻohui Kuʻuna?Hiki ke hāʻawi i nā lawelawe synthesis maʻamau e kūpono i kāu mau pono noiʻi.
Kūkākūkā uku?E hoʻouna mua ʻia ka invoice Proforma ma hope o ka hōʻoia ʻana o ke kauoha, hoʻopili ʻia kā mākou ʻike panakō.Uku e T/T (Telex Transfer), PayPal, Western Union, etc.
Nā hōʻailona pōʻino Xi - Hoʻonāukiuki
Nā Code Risk
R36 - Hoʻonanea i nā maka
R36/37/38 - E hoʻonāukiuki i nā maka, ka ʻōpū hanu a me ka ʻili.
Ka wehewehe palekana
S26 - Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino.
S24/25 - Hōʻalo i ka pili ʻana me ka ʻili a me nā maka.
S36 - E hoʻohana i nā lole pale kūpono.
WGK Kelemānia 3
FLUKA BRAND F CODES 10-23
HS Code 2922491990
PILI PILI
L-Valinol Keʻano o ka nānā 'ana (GC)
1 Kumu Ua mahuka ka hāpana ma o ke kolamu chromatographic i hoʻokaʻawale ʻia nā ʻāpana e ana ʻia, a hoʻohana ʻia ka mea ʻike hydrogen flame ionization e ʻike i ka helu.Hoʻohālikelike ʻia ka ʻike nui e like me ka mīkini.
2. Mea hana
ʻO ke kinoea halihali: ʻoi aku ma mua o 99.95% nitrogen
Ke kinoea: ʻoi aku ma mua o 99.95% hydrogen
ʻO ke kinoea kōkua: ʻoi aku ma mua o 99.95% ea
Chromatograph: Lunan Chemical Instrument Factory 6800A gas chromatograph
kolamu: SE-54 kolamu capillary (30M)
Mea ʻike: hydrogen flame ionization detector.
3. Mea hoʻopili hoʻohana: ethanol
4. Nā kūlana ho'āʻo
Ka wela o ka mea ike: 250 ℃
ʻO ka mahana o ke keʻena ʻehu: 250 ℃
Ka wela o ke kolamu: 160 ℃
Ke kaomi mua o ke kolamu: 0.05MPa
ʻO ka waihā: 0.06MPa
Ea: 0.06MPa
Laʻana nui: 0.1ul
Lakiō shunt: 50:1
Hoʻomākaukau laʻana: Hoʻoheheʻe ʻia ka hāpana i ka ethanol
ʻO ke ala no ka nānā ʻana chiral o Valinol
Ua hoʻomākaukau ʻia ʻo Fmoc-Valinol e ka hopena o 1mg/mg Valinol me Fmoc-OSU.1mg valerine i hoʻololi ʻia e Fmoc
Hoʻoheheʻe ʻia me 1ml MEOH, 2ml o ka hāpana i hoʻokomo ʻia i loko o kahi mea hoʻāʻo HPLC i hoʻopili ʻia i kahi kolamu chiral assay.
I ka holo kahe o 0.5ml/s, ka FMOC-L-VALINOL peak ma 19 kekona, ka FMOC-D-VALINOL peak ma 58 kekona.
ʻO ke ala no ka hoʻoholo ʻana i ka rotation Valinol
1. Ma hope o ka hoʻololi ʻia ʻana o ka pauka, e hoʻohuli i ka hoʻololi mana a kali no 15min e hoʻomālamalama i ke kukui sodium.
2. E ho'ā i ka hoʻololi kumu kukui, a hoʻomālamalama ke kukui sodium ma lalo o ka mana DC.
3. E hoʻomākaukau i ka paipu hōʻike.
4, i loko o ka paipu i hoʻomākaukau ʻia e inject trichloromethane solvent, kaomi i ke kī "zero", i ʻole ka hōʻike.
5. Wehe i ka mea hoʻoheheʻe hakahaka a hoʻokomo i ka hāpana e hoʻāʻo ʻia.
6, laʻana hoʻomākaukau: e olelo 2.5g hāpana me ka wai leo i 25ml.
7. E kaomi i ka "Measurement" e hōʻike i ka hopena ana mua, e kaomi i ka "retest" e hōʻike i ka hopena ʻelua, a kaomi hou i ka "Retest".
Hōʻike ʻia ka hopena ʻekolu.
8. Heluhelu:
20 a *100
[a]=-------------------------
ʻO D ml*------------*100
25
I loko o ke kaila, ʻo ka awelika waiwai o nā hopena ana ʻekolu.
l: pahu ho'āʻo me ka lōʻihi o 1dm.
m: Ka maikaʻi o ka hāpana.
ʻO L-Valinol (H-Val-ol) (CAS: 2026-48-4), hiki ke hoʻohana ʻia i ka peptide synthesis, hiki ke hoʻohana ʻia e like me ka organik synthesis intermediate, pharmaceutical intermediate, biochemical reagent a chemical reagent.L-(+)-Valinol e hana me nā aldehydes a me nā nitriles e hana i nā imines a me nā oxazolines, kēlā me kēia, no ka synthesis asymmetric.Hoʻohana ʻia no ka hoʻomākaukau ʻana i nā 4-isopropyloxazolidinones, i hoʻohana ʻia i ka stereocontrolled aldol a me ka alkylation reactions, synthesis o chiral 2-thiazolidinethones no nā hopena aldol, asymmetric alkylation o ka condensation huahana me nā keto acids, asymmetric reactions o kāna amidines a me N- a me ka oxidation. i hoʻopaʻa ʻia i ka aldehyde.
