D-Histidine CAS 351-50-8 HD-Re-OH Assay 98.5~101.0% Factory

Apejuwe kukuru:

Orukọ Kemikali: D-Histidine

Synonyms: HD-His-OH

CAS: 351-50-8

Ayẹwo: 98.5% ~ 101.0%

Irisi: White Crystalline Powder

Amino Acids ati Awọn itọsẹ, Didara Giga

Olubasọrọ: Dokita Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


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Apejuwe:

Shanghai Ruifu Chemical Co., Ltd jẹ olupilẹṣẹ asiwaju ti D-Histidine (HD-His-OH) (CAS: 351-50-8) pẹlu didara to gaju.Kemikali Ruifu n pese lẹsẹsẹ awọn amino acids ati awọn itọsẹ.A le pese ifijiṣẹ agbaye, idiyele ifigagbaga, kekere ati awọn iwọn olopobobo ti o wa.Ra D-Histidine,Please contact: alvin@ruifuchem.com

Kemikali Properties:

Orukọ Kemikali D-Histidine
Awọn itumọ ọrọ sisọ HD-Re-OH;D-Re-OH;Dextro-Histidine;(R)-Histidine;(R) -2-Amino-3- (4-Imidazolyl)propionic Acid
Iṣura Ipo Ninu Iṣura, Agbara iṣelọpọ 30 Toonu fun oṣu kan
Nọmba CAS 351-50-8
Ilana molikula C6H9N3O2
Òṣuwọn Molikula 155,16 g / mol
Ojuami Iyo 280.0 ~ 288.0 ℃
iwuwo 1.423
Omi Solubility Tiotuka ninu Omi, 42 g/L (25℃)
Solubility 1 M HCl: Soluble (50 mg/ml)
Ibi ipamọ otutu. Itura & Ibi Gbẹ (2 ~ 8℃)
COA & MSDS Wa
Ẹka Amino acids ati awọn itọsẹ
Brand Ruifu Kemikali

Awọn pato:

Awọn nkan Ayewo Standards Awọn abajade
Ifarahan Funfun Crystalline Powder Ibamu
Idanimọ Pade Ibeere naa Ibamu
Yiyi pato [α] 20/D +36.5° si +40.5° (C=2, H2O)
+ 38,2°
Kloride (Cl) ≤0.020% <0.020%
Sulfate (SO4) ≤0.020% <0.020%
Ammonium (NH4) ≤0.020% <0.020%
Awọn Irin Eru (Pb) ≤10ppm <10ppm
Irin (Fe) ≤10ppm <10ppm
Arsenic (As2O3) ≤1ppm <1ppm
Pipadanu lori Gbigbe ≤0.20% 0.15%
Aloku lori Iginisonu ≤0.10% 0.06%
Awọn amino acids miiran ≤0.50% <0.50%
Ayẹwo 98.5% ~ 101.0% 99.54%
pH 7.0 ~ 8.5 7.6
Ipari Ọja naa ti ni idanwo & ni ibamu pẹlu awọn pato

Package & Ibi ipamọ:

Package: Igo Fluorinated, 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.Dabobo lati ina ati ọrinrin.

Ọna ti Analysis:

pH
mu 1.0g ọja yii, ṣafikun 50ml ti omi lati tu, ki o wọn wọn gẹgẹbi ofin (Ofin Gbogbogbo 0631).Iwọn pH yẹ ki o jẹ 7.0 ~ 8.5.
Gbigbe ti Solusan
Mu 0.60g ti ọja yii, ṣafikun omi 20ml lati tu, ni ibamu si UV-visual spectrophotometry (Ofin gbogbogbo 0401), wiwọn gbigbe ni 430nm igbi, ko kere ju 98.0%.
Kloride
Mu 0.25g ọja yii ki o ṣayẹwo ni ibamu si ofin (Ofin Gbogbogbo 0801).Ti a ṣe afiwe pẹlu ojutu iṣakoso ti a ṣe ti 0.02% ti ojutu iṣuu soda kiloraidi boṣewa, ko yẹ ki o ni idojukọ diẹ sii ().
Sulfate
Mu 1.0g ọja yii ki o ṣayẹwo ni ibamu si ofin (Ofin Gbogbogbo 0802).Ti a ṣe afiwe pẹlu ojutu iṣakoso ti a ṣe ti 0.02% ti ojutu potasiomu sulfate boṣewa, ko yẹ ki o ni idojukọ diẹ sii ().
Ammonium Iyọ
mu 0.10g ọja yii ki o ṣayẹwo ni ibamu si ofin (Ofin gbogbogbo 0808).Ti a ṣe afiwe pẹlu ojutu iṣakoso ti a ṣe ti 0.02% ti ojutu ammonium kiloraidi boṣewa, kii yoo jinle ().
Awọn amino acids miiran
mu iye ti o yẹ fun ọja yii, ṣafikun omi lati tu ati dilute lati ṣe ojutu kan ti o ni nipa 10 miligiramu fun lml bi ojutu idanwo;Mu 1 milimita fun wiwọn konge ki o si fi sinu iyẹfun wiwọn 200ml, dilute lati iwọn pẹlu omi, gbọn daradara, bi ojutu iṣakoso;Mu iye ti o yẹ fun itọkasi histidine ati itọkasi proline ni atele, ati gbe sinu ọpọn wiwọn kanna, a fi omi kun lati tu ati fomi lati mura ojutu kan ti o ni nipa 0.4mg kọọkan fun 1ml bi ojutu ti o baamu eto.Ni ibamu si awọn tinrin Layer kiromatogirafi (General 0502) igbeyewo, Fa 5 u1 ti kọọkan ninu awọn loke mẹta solusan, lẹsẹsẹ ojuami lori kanna silica gel G tinrin Layer awo, pẹlu N-propanol-ogidi amonia ojutu (67:33) bi awọn to sese epo, faagun, gbẹ, sokiri pẹlu ninhydrin ni acetone ojutu (1-50), ooru ni 80°C titi ti awọn abawọn han, ki o si ṣayẹwo lẹsẹkẹsẹ.Ojutu iṣakoso yẹ ki o ṣafihan aaye ti o han gbangba, ati pe eto ti o wulo ojutu yẹ ki o ṣafihan awọn aaye meji ti o yapa patapata.Ti ojutu idanwo ba fihan awọn aaye aimọ, awọ ko yẹ ki o jinle (0.5%) ju aaye akọkọ ti ojutu iṣakoso.
Pipadanu lori Gbigbe
mu ọja yii, gbẹ ni 105 ℃ fun awọn wakati 3, isonu ti iwuwo kii yoo kọja 0.2% (Ofin gbogbogbo 0831).
Aloku lori Iginisonu
Ko ju 0.1% (Ofin Gbogbogbo 0841).
Irin Iyọ
mu 1.0g ọja yii ki o ṣayẹwo ni ibamu si ofin (Ofin gbogbogbo 0807).Ti a ṣe afiwe pẹlu ojutu iṣakoso ti a ṣe ti 0.001% ti ojutu irin boṣewa, kii yoo jinle ().
Awọn irin ti o wuwo
Ọja yii 1.0g, ayewo ni ibamu si ofin (Awọn ilana gbogbogbo 0821 Ofin akọkọ), ti o ni awọn irin eru ko le kọja awọn ẹya 10 fun miliọnu kan.
Iyọ Arsenic
mu 2.0g ọja yii, ṣafikun 23ml ti omi lati tu, ṣafikun 5ml ti hydrochloric acid, ṣayẹwo ni ibamu si ofin (Ofin gbogbogbo 0822 ofin akọkọ), yẹ ki o ni ibamu pẹlu awọn ipese (0.0001%).
Endotoxin kokoro arun
Mu ọja yii, ṣayẹwo ni ibamu si ofin (Ofin Gbogbogbo 1143), lg histidine kọọkan ti o ni endotoxin yẹ ki o kere ju 6.0EU.(Fun abẹrẹ)
351-50-8 - Ipinnu akoonu
Mu ọja yi nipa 0.15g, iwọn konge, fi anhydrous formic acid 2ml lati tu, fi glacial acetic acid 50ml, ni ibamu si awọn ti o pọju titration ọna (Ofin Gbogbogbo 0701), pẹlu perchloric acid titration ojutu (0.1 mol/L) titration, ati Awọn abajade ti titration ni atunṣe pẹlu idanwo òfo.Ọgbẹkan milimita 1 perchloric acid ojutu titration (0.1 mol/L) ni ibamu si 15.52mg ti C6H9N302.

Awọn anfani:

Agbara to to: Awọn ohun elo to ati awọn onimọ-ẹrọ

Iṣẹ Ọjọgbọn: Iṣẹ rira iduro kan

OEM Package: Aṣa package ati aami wa

Ifijiṣẹ Yara: Ti o ba wa laarin ọja iṣura, iṣeduro ifijiṣẹ ọjọ mẹta

Ipese Idurosinsin: Ṣetọju ọja iṣura ti o tọ

Atilẹyin imọ-ẹrọ: Ojutu imọ-ẹrọ wa

Iṣẹ Iṣọkan Aṣa: Larin lati giramu si kilos

Didara to gaju: Ṣeto eto idaniloju didara pipe

FAQ:

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.

351-50-8 - Ewu ati Aabo:

Awọn aami ewu Xn - ipalara
Apejuwe Aabo S22 - Maṣe simi eruku.
S24/25 - Yago fun olubasọrọ pẹlu ara ati oju.
S36/37 - Wọ aṣọ aabo ati awọn ibọwọ to dara.
S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
WGK Germany 3
TSCA Bẹẹni
HS koodu 2922491990

Ohun elo:

D-Histidine (HD-His-OH) (CAS: 351-50-8) jẹ aibikita, isomer ti ko ṣiṣẹ biologically ti L-Histidine.D-Histidine ni a mọ lati dẹkun pipin sẹẹli, ati pe o tun lo nipasẹ awọn iru kokoro arun (bii Escherichia coli) gẹgẹbi orisun ti L-Histidine.Ohun optically lọwọ fọọmu ti histidine nini D-iṣeto ni.
Amino acids ati awọn itọsẹ, ti a lo ninu iṣelọpọ peptide, ti a lo bi agbedemeji iṣelọpọ Organic, agbedemeji elegbogi, le ṣee lo bi agbedemeji chiral, reagent biokemika tabi reagent kemikali
D-Histidine le ṣee lo ni apẹrẹ ti awọn oogun peptide, awọn peptides cationic, gẹgẹbi awọn analogues ti carnosine.D-Histidine tun le ṣee lo bi aṣoju ipasẹ irin ti o wuwo.

Kọ ifiranṣẹ rẹ nibi ki o si fi si wa