D-Leucine CAS 328-38-1 HD-Leu-OH Assay 98.5~101.5% Didara Didara Ile-iṣẹ

Apejuwe kukuru:

Orukọ Kemikali: D-Leucine

Synonyms: HD-Leu-OH

CAS: 328-38-1

Ayẹwo: 98.5 ~ 100.5%

Irisi: Crystal White tabi 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-Leucine (HD-Leu-OH) (CAS: 328-38-1) 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-Leucine,Please contact: alvin@ruifuchem.com

Kemikali Properties:

Orukọ Kemikali D-Leucine
Awọn itumọ ọrọ sisọ HD-Leu-OH;Dextro-Leucine;(R) - leucine;D-2-Amino-4-Methylpentanoic Acid;(R) -2-Amino-4-Methylpentanoic Acid
Iṣura Ipo Ninu Iṣura, Agbara iṣelọpọ 30 Toonu fun oṣu kan
Nọmba CAS 328-38-1
Ilana molikula C6H13NO2
Òṣuwọn Molikula 131,18 g / mol
Ojuami Iyo > 300 ℃ (tan.)
iwuwo 1.035
Omi Solubility 24 g/L (25℃)
Solubility ni Dilute HCl Fere akoyawo
Ibi ipamọ otutu. Itura & Ibi Gbẹ
COA & MSDS Wa
Ẹka Amino acids ati awọn itọsẹ
Brand Ruifu Kemikali

Awọn pato:

Awọn nkan Ayewo Standards Awọn abajade
Ifarahan Crystal White tabi Crystalline Powder Ibamu
Yiyi pato [α] 20/D -14.5° si -16.0° (C=4 ninu 6N HCl)
-15.47°
Gbigbe ≥98.0% 99.1%
Kloride (Cl) ≤0.020% <0.020%
Sulfate (SO4) ≤0.020% <0.020%
Ammonium (NH4) ≤0.020% <0.020%
Irin (Fe) ≤10ppm <10ppm
Awọn Irin Eru (Pb) ≤10ppm <10ppm
Arsenic (As2O3) ≤1ppm <1ppm
Pipadanu lori Gbigbe ≤0.20% 0.10%
Aloku lori Iginisonu ≤0.10% 0.07%
Awọn amino acids miiran ≤0.50% <0.50%
Ayẹwo 98.5 ~ 100.5% 99.5%
pH 5.5 ~ 6.5 5.7
Infurarẹẹdi julọ.Oniranran Ni ibamu si Eto Ibamu
Ipari Ọja naa ti ni idanwo & ni ibamu pẹlu awọn pato

Ọna ti Analysis:

pH
Mu 0.50g ti ọja yii, ṣafikun 50ml ti omi, ooru lati tu, dara, ati pinnu gẹgẹbi ofin (Gbogbogbo 0631), iye pH yẹ ki o jẹ 5.5 ~ 6.5.
Gbigbe ti Solusan
Mu 0.50g ti ọja yii, ṣafikun 50ml ti omi, ooru lati tu, tutu, spectrophotometry ti o han ultraviolet (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 5.0 milimita ti ojutu iṣuu soda kiloraidi boṣewa, ko yẹ ki o ni idojukọ diẹ sii (0.02%).
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 2.0 milimita ti ojutu sulfate potasiomu boṣewa, ko yẹ ki o ni idojukọ diẹ sii (0.02%).
Ammonium Iyọ
Mu ọja yii 0.10g, ṣayẹwo ni ibamu si ofin (Ofin gbogbogbo 0808), ki o ṣe afiwe pẹlu ojutu iṣakoso ti a ṣe ti ojutu ammonium kiloraidi boṣewa 2.0 ML, ko jinle (0.02%).
Amino Acid miiran
Mu iye ti o yẹ fun ọja yii, ṣafikun omi lati tu ati dilute lati ṣe ojutu kan ti o ni nipa 20mg fun lml bi ojutu idanwo;Mu 1 milimita fun wiwọn konge ki o si fi sinu iyẹfun wiwọn 200ml, dilute si iwọn pẹlu omi, gbigbọn, bi ojutu iṣakoso;Mu iye ti o yẹ fun itọkasi leucine ati itọkasi valine, ki o si fi sinu ọpọn wiwọn kanna, a fi omi kun lati tu ati fomi lati ṣeto 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 awọn loke mẹta solusan kọọkan 5 u1, lẹsẹsẹ, lori kanna silica gel G tinrin Layer awo, pẹlu n-butanol-omi-glacial acetic acid (3:1:1). fun idagbasoke, lẹhin imuṣiṣẹ, gbigbe afẹfẹ, fifa pẹlu ninhydrin ni ojutu acetone (1-50), alapapo ni 80 ° C titi awọn aaye yoo han, ati idanwo 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 wakati 3, isonu ti iwuwo ko le kọja 0.2% (Ofin gbogbogbo 0831).
Aloku lori Iginisonu
Mu 1.0g ọja yii ki o ṣayẹwo ni ibamu si ofin (Ofin Gbogbogbo 0841).Iyokù ti o kù ko gbọdọ kọja 0.1%.
Irin Iyọ
Mu 1.5g 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 Eru
Iyokù ti o kù labẹ ohun kan ti gbigbe iyoku iginisonu ko ni ni diẹ ẹ sii ju awọn ẹya mẹwa 10 fun miliọnu irin ti o wuwo nigba ti ofin ṣe ayẹwo (Awọn Ilana Gbogbogbo 0821, Law II).
Iyọ Arsenic
Fi omi 5ml kun, 1ml sulfuric acid ati 10ml sulfurous acid, ooru si iwọn iwọn 2ml ninu iwẹ omi kan, ṣafikun omi 5ml, ṣafikun ojutu amonia Dropwise titi ti itọkasi phenolphthalein yoo jẹ didoju, ṣafikun hydrochloric acid 5ml, ṣafikun omi lati ṣe 28ml , ni ibamu si ayewo ofin (Awọn Ilana Gbogbogbo 0822 Ofin akọkọ), yẹ ki o wa ni ibamu pẹlu awọn ipese (0.0001%).
Endotoxin kokoro arun
Mu ọja yii, ṣayẹwo ni ibamu si ofin (Gbogbogbo 1143), lg leucine kọọkan ti o ni endotoxin yẹ ki o kere ju 25EU.(Fun abẹrẹ)
328-38-1 - Ipinnu akoonu
Ya ọja yi nipa 0.1g, konge iwon, fi anhydrous formic acid 1 milimita tituka, fi glacial acetic acid 25ml, ni ibamu si awọn potentiometric titration ọna (Gbogbogbo Ofin 0701), pẹlu perchloric acid titration ojutu (O. 1 mol/L) titration. , ati awọn abajade ti titration ti ni atunṣe pẹlu idanwo òfo.Kọọkan milimita 1 ti ojutu titration perchloric acid (0.1 mol/L) ni ibamu si 13.12 mg ti C6H13N02.

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, gbigbẹ ati ile-itaja ti afẹfẹ kuro ni awọn nkan ti ko ni ibamu.Dabobo lati ina ati ọrinrin.

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.

328-38-1 - Ewu ati Aabo:

Awọn aami ewu Xi - Irritant
Awọn koodu Ewu 36/37/38 - Irritating si oju, eto atẹgun ati awọ ara.
Apejuwe Aabo S22 - Maṣe simi eruku.
S24/25 - Yago fun olubasọrọ pẹlu ara ati oju.
S36 - Wọ aṣọ aabo 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
RTECS OH2840000
TSCA Bẹẹni
HS koodu 2922491990

Ohun elo:

D-Leucine (HD-Leu-OH) (CAS: 328-38-1) jẹ D-Enantiomer ti Leucine.
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-Leucine jẹ orisun pataki ti chiral Organic, ti a lo ni akọkọ ninu awọn oogun chiral, awọn afikun chiral, awọn afikun chiral ati awọn agbekọja miiran.Gẹgẹbi acid Organic ti nṣiṣe lọwọ optically, o ṣe ipa ti ko ni rọpo ninu iṣelọpọ asymmetric ti diẹ ninu awọn agbo ogun chiral.Ni lọwọlọwọ, o jẹ lilo ni pataki fun iṣelọpọ ti awọn oogun apakokoro gbooro tuntun, D-Leucine, oluranlowo Idaabobo Leucine.
Ifarabalẹ: Leucine jẹ amino acid ti o le rii ni ọpọlọpọ awọn ọlọjẹ ati pe a kà pe o jẹ dandan fun gbigba orisirisi awọn eroja ti o yatọ;o le ṣee lo ninu iwadi biokemika;Leucine le ṣee lo bi afikun ijẹẹmu ati pe o jẹ olokiki pupọ pẹlu awọn elere idaraya;ni afikun, leucine tun le ṣee lo bi aropo ounjẹ lati jẹki itọwo ounjẹ.
Iṣẹ iṣe ti ara: Leucine, Isoleucine ati Valine jẹ gbogbo amino acids pq ti o ni ẹka, eyiti o ṣe iranlọwọ lati mu awọn iṣan pada lẹhin ikẹkọ, ṣakoso suga ẹjẹ ati pese agbara si awọn ara ara.Lara wọn, D-Leucine jẹ amino acid ti eka ti o munadoko julọ, ṣugbọn ara eniyan ko le gbejade funrararẹ ati pe o le gba nipasẹ ounjẹ nikan.Sibẹsibẹ, ko si D-Leucine ni awọn ounjẹ lasan.D-Leucine pupọ julọ han ni peptidoglycan kokoro arun.iṣẹ ṣiṣe ti ibi D-Leucine ni iṣẹ ṣiṣe antiepileptic, eyiti o ga ju iṣẹ L-Leucine lọ.D-Leucine le ni imunadoko fopin si awọn ijagba warapa.Ni vitro, D-Leucine le dinku aaye igba pipẹ, ṣugbọn gbigbe synapti basal ko ni ipa.lo fun iwadi biokemika.
Ọna iṣelọpọ: Acetyl-DL-Leucine ni a lo bi ohun elo aise, L-Leucine ti yọkuro nipasẹ itọju acylase, lẹhinna ọja robi jẹ hydrolyzed ni hydrochloric acid, ati pe ọja mimọ ni a gba lẹhin crystallization ati isọdọtun.

Kọ ifiranṣẹ rẹ nibi ki o si fi si wa