D-Tryptophan CAS 153-94-6 (HD-Trp-OH) Assay 98.5 ~ 101.0% Factory
Shanghai Ruifu Chemical Co., Ltd jẹ olupilẹṣẹ asiwaju ti D-Tryptophan (HD-Trp-OH) (CAS: 153-94-6) 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-Tryptophan,Please contact: alvin@ruifuchem.com
Orukọ Kemikali | D-Tryptophan |
Awọn itumọ ọrọ sisọ | HD-Trp-OH;D- (+) -Tryptophan;Dextro- (+) -Tryptophan;(R) -Tryptophan;(R)-(+) -2-Amino-3- (3-Indolyl) Propionic Acid;(R) -α-Amino-3-Indolepropionic Acid;(R) -α-Aminoindole-3-Propanoic Acid |
Iṣura Ipo | Ninu Iṣura, Agbara iṣelọpọ 35 Toonu fun oṣu kan |
Nọmba CAS | 153-94-6 |
Ilana molikula | C11H12N2O2 |
Òṣuwọn Molikula | 204,23 g / mol |
Ojuami Iyo | 282.0 ~ 285.0 ℃ (oṣu kejila) (tan.) |
iwuwo | 1.362 |
Solubility | Tituka Ni Omi, Itukutu diẹ ninu Ethanol (96%) |
Ibi ipamọ otutu. | Itura & Ibi Gbẹ |
COA & MSDS | Wa |
Ẹka | Amino acids ati awọn itọsẹ |
Brand | Ruifu Kemikali |
Awọn nkan | Ayewo Standards | Awọn abajade |
Ifarahan | Funfun Crystalline Powder | Ibamu |
Yiyi pato [α] 20/D | +30.0° si +33.0° (C=1, H2O) | -33.8° |
Ipinle ti Solusan | ≥95.0% | Ibamu |
Ojuami Iyo | 282.0 ~ 285.0 ℃ | 282.8 ~ 284.2 ℃ |
Kloride (Cl) | ≤0.020% | <0.020% |
Ammonium (NH4) | ≤0.020% | <0.020% |
Sulfate (SO4) | ≤0.020% | <0.020% |
Iron (bii Fe) | ≤20ppm | <20ppm |
Awọn irin Heavy (gẹgẹbi Pb) | ≤10ppm | <10ppm |
Arsenic (As2O3) | ≤1ppm | <1ppm |
Awọn amino acids miiran | Ni ibamu | Ni ibamu |
Pipadanu lori Gbigbe | ≤0.20% | 0.15% |
Aloku lori Iginisonu | ≤0.10% | 0.06% |
Ayẹwo | 98.5% ~ 101.0% | 99.6% |
L-Tryptophan | ≤1.00% | 0.79% |
pH | 5.4 ~ 6.4 | 6.3 |
IR julọ.Oniranran | Ni ibamu Pẹlu Standard | Ibamu |
Ipari | Ọja naa ti ni idanwo & ni ibamu pẹlu awọn pato ti a fun |
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.
Akitiyan
Mu 1g ọja yii, ṣafikun 50ml ti omi lati tu, ki o wọn ni ibamu si ofin (Ofin Gbogbogbo 5.4).Iwọn pH yẹ ki o jẹ 5.4 ~ 6.4.
Gbigbe ojutu
mu 0.5g ti ọja yii, ṣafikun ojutu 2mol/L hydrochloric acid 20ml lati tu, ni ibamu si spectrophotometry ti o han ultraviolet (Ofin gbogbogbo 0401), wiwọn gbigbe ni 430nm wefulenti, ko kere ju 95.0%.
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 l.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 0.30g ti ọja yii, fi sii sinu ọpọn wiwọn 20ml, fi 1 mol / L hydrochloric acid ojutu 1 milimita ati omi lati tu, dilute pẹlu omi si iwọn, gbọn daradara, bi ojutu idanwo;mu milimita 1 ni deede, fi sii sinu ọpọn iwọn 200ml, fi omi di iwọn rẹ, gbọn daradara, ki o lo bi ojutu iṣakoso.Mu 10mg ti iṣakoso tryptophan ati iṣakoso tyrosine, ki o si fi sinu ọpọn wiwọn 25ml kanna, 1 milimita ti 1 mol/L hydrochloric acid ojutu ati iye omi ti o yẹ ni a fi kun lati tu ojutu naa.Ojutu naa ti fomi si iwọn pẹlu omi ati lẹhinna gbọn lati ṣe agbekalẹ ojutu ti o dara fun eto naa.Ni ibamu si awọn tinrin Layer kiromatogirafi (General 0502) igbeyewo, fa awọn loke mẹta solusan kọọkan 2 μL, lẹsẹsẹ, lori kanna silica gel G thin Layer awo, pẹlu n-butanol-glacial acetic acid-omi (3:1:1). lati tan kaakiri, tan kaakiri, gbẹ, sokiri pẹlu ninhydrin ni ojutu acetone (1-50), ooru ni 80℃ titi aaye * yoo han, ati wo 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 ọja yii ni 1.0g lẹhin sisun ati eeru, fi hydrochloric acid (2ml) si iyokù, gbẹ lori iwẹ omi, lẹhinna fi dilute hydrochloric acid (4ml), tu ni ooru diẹ, fi omi (30ml) ati ammonium persulfate kun. (50mg), ati ṣayẹwo ni ibamu si ofin (Ofin Gbogbogbo 0807), ko yẹ ki o jinle (0.002%) ju ojutu iṣakoso ti a ṣe ti ojutu irin boṣewa.
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
mu 2.0g ọja yii, fi 5ml ti hydrochloric acid ati 23ml ti omi lati tu, ṣayẹwo gẹgẹbi ofin (Ofin Gbogbogbo 0822 ofin akọkọ), yẹ ki o ni ibamu pẹlu awọn ipese (0.0001%).
Endotoxin kokoro arun
mu ọja yii, ṣafikun omi idanwo endotoxin eniyan, ati ooru si 80 ℃ lati tu, ṣayẹwo ni ibamu si ofin (Gbogbogbo 1143), lg kọọkan ti tryptophan ti o ni endotoxin yẹ ki o kere ju 50EU.(Fun abẹrẹ)
Ipinnu akoonu
Mu ọja yi nipa 0.15g, iwọn konge, fi anhydrous formic acid 3ml tituka, fi glacial acetic acid 50ml, ni ibamu si awọn ti o pọju titration ọna (Ofin Gbogbogbo 0701), pẹlu hydrochloric acid titration ojutu (0.1 mol/L) titration, ati awọn Awọn abajade ti titration ni atunṣe pẹlu idanwo òfo.Kọọkan milimita 1 ti ojutu titration perchloric acid (0.1 mol/L) ni ibamu si 20.42mg ti C11H12N2O2.
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.
Awọn aami ewu Xi - Irritant
Awọn koodu ewu
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
R41 - Ewu ti pataki ibaje si oju
R37 / 38 - Irritating si eto atẹgun ati awọ ara.
R22 - ipalara ti o ba gbe
Apejuwe Abo
S24/25 - Yago fun olubasọrọ pẹlu ara ati oju.
S36/37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / 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 YN6129000
FLUKA BRAND F CODES 8
TSCA Bẹẹni
HS koodu 2922491990
Ewu Class Irritant
D-Tryptophan (HD-Trp-OH) (CAS: 153-94-6) jẹ D-fọọmu (fọọmu ti kii-proteinogenic) ti amino acid tryptophan.Amino acids ati awọn itọsẹ, ti a lo ninu iṣelọpọ peptide, ti a lo bi agbedemeji iṣelọpọ Organic, agbedemeji elegbogi, awọn afikun ounjẹ / ifunni, afikun ijẹẹmu, reagent biokemika tabi reagent kemikali.
Tryptophan jẹ ọkan ninu awọn amino acids boṣewa 20, bakanna bi amino acid pataki ninu ounjẹ eniyan.O ti wa ni koodu ni koodu jiini boṣewa bi codon UGG.D-stereoisomer ni a rii lẹẹkọọkan ninu awọn peptides ti a ṣejade nipa ti ara (fun apẹẹrẹ, contryphan peptide venom tona).Iyatọ abuda igbekale ti Tryptophan ni pe o ni ẹgbẹ iṣẹ ṣiṣe indole kan ninu.O jẹ amino acid pataki gẹgẹbi asọye nipasẹ awọn ipa idagbasoke rẹ lori awọn eku.
D-Tryptophan amino acid, gẹgẹbi amuaradagba ti kii ṣe ifaseyin, ni awọn ohun-ini ti ẹkọ iṣe-ara pataki.O le ṣee lo bi awọn aladun ti ko ni ounjẹ, afikun ifunni, awọn aṣoju idagbasoke ọgbin ni ile-iṣẹ ifunni ounje ati ogbin.Ninu ile-iṣẹ elegbogi, o kun lo fun iṣelọpọ ti awọn oriṣiriṣi polypeptides, dipo oogun peptide L-Tryptophan fun igbesi aye idaji ati dinku awọn ipa ẹgbẹ, ṣugbọn kii yoo ni sooro si ara iwaju, ati pe yoo di oludena enzymu pataki. .O tun le mu ajesara ara dara, awọn aati aleji ti o da duro.Pupọ aporo aporo peptide le koju awọn kokoro arun ti o dara giramu, awọn kokoro arun Gram-negative ati diẹ ninu, bii Pseudomonas aeruginosa, mycobacteria, elu, kokoro arun, pathogens ati awọn sẹẹli tumo, eyiti o ni idiwọ dara julọ ati pipa agbara.
D-Tryptophan le ṣee lo fun sintetiki ti awọn oogun apakokoro ologbele-sintetiki, eyiti oogun oogun ṣe ipa pataki fun pq ẹgbẹ.Isopọ peptide nira lati jẹ iṣe iṣe enzymu β-lactam, nitorinaa iduroṣinṣin giga, ati pe o ni spectrum antibacterial gbooro, majele, hypoallergenic, gbigba iyara, awọn ifọkansi ẹjẹ giga ti oogun naa ni gigun.