D-Histidine CAS 351-50-8 HD-His-OH Su'ega 98.5~101.0% Falegaosimea

Fa'amatalaga Puupuu:

Igoa Vailaau: D-Histidine

Synonyms: HD-His-OH

CAS: 351-50-8

Su'ega: 98.5%~101.0%

Fa'aaliga: Pa'u tioata Pa'epa'e

Amino acids ma mea e maua ai, maualuga maualuga

Fa'afeso'ota'i: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


Fa'amatalaga Oloa

Oloa Fa'atatau

Faailoga o oloa

Fa'amatalaga:

Shanghai Ruifu Chemical Co., Ltd. o le taʻutaʻua taʻutaʻua o le D-Histidine (HD-His-OH) (CAS: 351-50-8) faʻatasi ai ma le maualuga.Ruifu Chemical o lo'o tu'uina atu se fa'asologa o amino acids ma mea e maua mai ai.E mafai ona matou tuʻuina atu i le lalolagi atoa le tuʻuina atu, tau faʻatauvaʻa, laʻititi ma tele aofaʻi avanoa.Fa'atau D-Histidine,Please contact: alvin@ruifuchem.com

Meatotino tau vailaau:

Igoa Vailaau D-Histidine
Synonyms HD-Lana-OH;D-Lona-OH;Dextro-Histidine;(R)-Histidine;(R)-2-Amino-3-(4-Imidazolyl)propionic Acid
Tulaga Fa'asoa I Fa'atauga, Gaosi Gaosi 30 Tone i le Masina
Numera CAS 351-50-8
Fuafua mole C6H9N3O2
Molecular Weight 155.16 g/mol
Lisi Lisi 280.0~288.0 ℃
Malosi 1.423
Suavai Solubility Solu i le Vai, 42 g/L (25 ℃)
Solubility 1 M HCl: Solu (50 mg/ml)
Temp. Nofoaga malulu ma mago (2~8℃)
COA & MSDS Avanoa
Vaega Amino acids ma mea e maua mai ai
Fa'ailoga Ruifu Chemical

Fa'amatalaga:

Aitema Tulaga Fa'atonu I'uga
Fa'aaliga Pa'u tioata Pa'epa'e E usitaia
Fa'ailoaga Faʻafetaui le Manaoga E usitaia
Ta'amilosaga Fa'apitoa [α]20/D +36.5° i le +40.5° (C=2, H2O)
+38.2°
Klorida (Cl) ≤0.020% <0.020%
Sulfate (SO4) ≤0.020% <0.020%
Ammonium (NH4) ≤0.020% <0.020%
Metala Mamafa (Pb) ≤10ppm <10ppm
Uamea (Fe) ≤10ppm <10ppm
Arsenic (As2O3) ≤1ppm <1ppm
Ma'imau ile Fa'amago ≤0.20% 0.15%
Toega i luga o le mumu ≤0.10% 0.06%
Isi Amino acids ≤0.50% <0.50%
Su'ega 98.5%~101.0% 99.54%
pH 7.0~8.5 7.6
Fa'ai'uga Ua fa'ata'ita'iina le oloa ma fa'amalieina fa'amatalaga

Paket & Teuina:

afifi: Fa'ato'aga Fa'alili, Ato pepa alumini, 25kg/Cardboard Drum, pe tusa ai ma mana'oga o tagata fa'atau.

Tulaga teuina:Teu i totonu o pusa faʻamaufaʻailoga i le malulu ma mago (2 ~ 8 ℃) faleteuoloa mai mea e le fetaui.Puipui mai le malamalama ma le susu.

Auala o Iloiloga:

pH
ave le 1.0g o lenei oloa, fa'aopopo le 50ml vai e fa'amuta, ma fua e tusa ai ma le tulafono (Tulafono Aoao 0631).Ole tau ole pH e tatau ona 7.0~8.5.
Tuuina atu o Fofo
Ave le 0.60g o lenei oloa, faʻaopopo vai 20ml e faʻamavae, e tusa ai ma le UV-visible spectrophotometry (Tulafono Lautele 0401), fua le transmittance i le 430nm wavelength, e le itiiti ifo i le 98.0%.
Klorida
Ave le 0.25g o lenei oloa ma siaki e tusa ai ma le tulafono (Tulafono Aoao 0801).Pe a faatusatusa i le vaifofo pulea e faia i le 0.02% o le sodium chloride solution masani, e le tatau ona sili atu le faʻaogaina ().
Sulfate
Ave le 1.0g o lenei oloa ma siaki e tusa ai ma le tulafono (Tulafono Aoao 0802).Pe a faatusatusa i le vaifofo pulea e faia i le 0.02% o le vaifofo masani o le potassium sulfate, e le tatau ona sili atu le malosi ().
Masima Ammonium
ave le 0.10g o lenei oloa ma siaki e tusa ai ma le tulafono (Tulafono Aoao 0808).Pe a faatusatusa i le vaifofo pulea faia i le 0.02% o le ammonium chloride solution masani, e le tatau ona loloto ().
Isi Amino acids
ave se aofaiga talafeagai o lenei oloa, faʻaopopo vai e faʻafefe ma faʻafefe e fai ai se vaifofo e aofia ai le 10 mg i le lml e fai ma vaifofo suʻega;Ave le 1ml mo le fua saʻo ma tuʻu i totonu o se fagu fua 200ml, faʻafefe i le fua i le vai, lulu lelei, e fai ma vaifofo faʻatonutonu;Ave le aofaʻi talafeagai o le histidine reference ma le proline reference taʻitasi, ma tuʻu i totonu o le fagu fua tutusa, faʻaopopo vai e faʻamavae ma faʻafefeteina e saunia ai se vaifofo e iai le 0.4mg taʻitasi i le 1ml e fai ma vaifofo talafeagai.E tusa ai ma le su'ega o le chromatography layer manifinifi (General 0502), Tusi le 5 u1 o vaifofo taitasi e tolu o loʻo i luga, faʻasino i luga o le silica gel G thin layer plate, ma le N-propanol-concentrated ammonia solution (67:33) e pei o le atia'e le solvent, fa'alautele, fa'agogo, fa'asusu i le ninhydrin i le acetone solution (1-50), vevela i le 80°C se'ia o'o ina aliali mai ma'i, ma su'esu'e vave.O le vaifofo fa'atonutonu e tatau ona fa'aalia se nofoaga manino, ma o le fa'aoga fa'aoga fofo e tatau ona fa'aalia ni vaega se lua e va'ava'ai atoa.Afai o le su'ega fofo o lo'o fa'aalia ai le le mama, o le lanu e le tatau ona loloto (0.5%) nai lo le nofoaga autu o le fofo pulea.
Ma'imau ile Fa'amago
ave lenei oloa, mago i le 105 ℃ mo le 3 itula, leiloa o le mamafa e le sili atu i le 0.2% (Tulafono Aoao 0831).
Toega i luga o le mumu
E le sili atu i le 0.1% (Tulafono Aoao 0841).
Masima Umea
ave le 1.0g o lenei oloa ma siaki e tusa ai ma le tulafono (Tulafono Aoao 0807).Pe a faatusatusa i le vaifofo pulea e faia i le 0.001% o le vaifofo masani, e le tatau ona loloto ().
Metala mamafa
O lenei oloa 1.0g, asiasiga e tusa ai ma le tulafono (Mataupu Faavae Lautele 0821 Le tulafono muamua), o loʻo i ai uʻamea mamafa e le tatau ona sili atu i le 10 vaega i le miliona.
Masima Arsenic
ave 2.0g o lenei oloa, faaopoopo 23ml vai e solo, faaopoopo 5ml hydrochloric acid, siaki e tusa ai ma le tulafono (Tulafono Aoao 0822 tulafono muamua), e tatau ona tausisia aiaiga (0.0001%).
Endotoxin siama
Ave lenei oloa, siaki e tusa ai ma le tulafono (Tulafono Aoao 1143), taitasi lg histidine o loʻo i ai endotoxin e tatau ona itiiti ifo i le 6.0EU.(Mo tui)
351-50-8 - Filifiliga o mea
Ave lenei oloa e uiga i le 0.15g, sa'o le mamafa, faaopoopo anhydrous formic acid 2ml e solo, faaopoopo glacial acetic acid 50ml, e tusa ai ma le auala e mafai ona titration (Tulafono Lautele 0701), ma perchloric acid titration solution (0.1 mol/L) titration, ma sa faasa'oina i'uga o le titration i se su'ega avanoa.Ole 1 ml perchloric acid titration solution (0.1 mol/L) e fetaui ile 15.52mg ole C6H9N302.

Tulaga lelei:

Lava Malosiaga: Lava fale ma tekinisia

Au'aunaga Fa'apolofesa: Au'aunaga fa'atau e tasi

OEM Package: Fa'ailoga fa'apitoa ma fa'ailoga e maua

Fa'atauga Anapogi: Afai i totonu o fa'atauga, e tolu aso fa'aolaina fa'amaonia

Sapalai mautu: Tausia fa'atauga talafeagai

Lagolago Fa'atekinisi: Fa'atekonolosi fofo avanoa

Au'aunaga Fa'aaufa'atasi: E amata mai i le kalama i le kilokalama

Tulaga Maualuga: Faʻavae se faiga faʻamautinoaga lelei atoatoa

FAQ:

Fa'afefea ona Fa'atau?Fa'amolemole fa'afeso'ota'iDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com 

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351-50-8 - Tulaga lamatia ma le Saogalemu:

Fa'ailoga Mata'utia Xn - Fa'aleagaina
Fa'amatalaga Saogalemu S22 - Aua le manava pefu.
S24/25 - Aloese mai le pa'i i le pa'u ma mata.
S36/37 - Fai ofu puipui ma totigilima talafeagai.
S26 - Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga faafoma'i.
WGK Siamani 3
TSCA Ioe
HS Code 2922491990

Talosaga:

D-Histidine (HD-His-OH) (CAS: 351-50-8) o le isomer e le masani ai, biologically inactive o L-Histidine.O le D-Histidine e iloa e taofia ai le vaevaeina o sela, ma o loʻo faʻaaogaina foi e nisi ituaiga o siama (e pei o le Escherichia coli) o se puna o le L-Histidine.O se ituaiga opitika malosi ole histidine o lo'o iai D-configuration.
Amino acids ma derivatives, faʻaaogaina i le peptide synthesis, faʻaaogaina e avea o se mea faʻapipiʻi faʻalaʻau, vailaʻau vailaʻau, e mafai ona faʻaaogaina e avea o se chiral intermediate, biochemical reagent poʻo vailaʻau faʻamaʻi.
D-Histidine e mafai ona faʻaaogaina i le mamanu o vailaʻau peptide, peptides cationic, pei o analogues o carnosine.D-Histidine e mafai fo'i ona fa'aaogaina e fai ma sui fa'amama u'amea mamafa.

Tusi lau savali iinei ma lafo mai ia i matou