D-Histidine CAS 351-50-8 HD-His-OH Yekuongorora 98.5~101.0% Factory
Shanghai Ruifu Chemical Co., Ltd. ndiyo inotungamira kugadzira D-Histidine (HD-His-OH) (CAS: 351-50-8) ine mhando yepamusoro.Ruifu Chemical inopa akateedzana amino acids uye zvinobva.Isu tinokwanisa kupa kutakura kwepasirese, mutengo wemakwikwi, madiki uye akawanda akawanda aripo.Tenga D-Histidine,Please contact: alvin@ruifuchem.com
| Chemical Name | D-Histidine |
| Mashoko anoreva zvakafanana | HD-His-OH;D-His-OH;Dextro-Histidine;(R)-Histidine;(R) -2-Amino-3-(4-Imidazolyl)propionic Acid |
| Stock Status | MuStock, Kukwanisa Kugadzira Matani makumi matatu pamwedzi |
| Nhamba yeCAS | 351-50-8 |
| Molecular Formula | C6H9N3O2 |
| Molecular Weight | 155.16 g/mol |
| Melting Point | 280.0~288.0℃ |
| Density | 1.423 |
| Mvura Solubility | Soluble muMvura, 42 g/L (25℃) |
| Solubility | 1 M HCl: Inonyungudika (50 mg/ml) |
| Storage Temp. | Nzvimbo Inotonhorera & Yakaoma (2~8℃) |
| COA & MSDS | Available |
| Category | Amino Acids uye Derivatives |
| Brand | Ruifu Chemical |
| Items | Kuongorora Maitiro | Results |
| Chitarisiko | White Crystalline Powder | Zvinoenderana |
| Identification | Zvinozadzisa Zvinodiwa | Zvinoenderana |
| Kutenderera kwakananga [α]20/D | +36.5° kusvika +40.5° (C=2, H2O) | +38.2° |
| Chloride (Cl) | ≤0.020% | <0.020% |
| Sulfate (SO4) | ≤0.020% | <0.020% |
| Ammonium (NH4) | ≤0.020% | <0.020% |
| Masimbi anorema (Pb) | ≤10ppm | <10ppm |
| Simbi (Fe) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1ppm | <1ppm |
| Kurasika paKuomesa | ≤0.20% | 0.15% |
| Residue paIgnition | ≤0.10% | 0.06% |
| Mamwe maAmino Acids | ≤0.50% | <0.50% |
| Assay | 98.5%~101.0% | 99.54% |
| pH | 7.0~8.5 | 7.6 |
| Mhedziso | Chigadzirwa chacho chakaedzwa uye chinoenderana nezvinodiwa | |
Package: Fluorinated Bhodhoro, Aluminium foil bag, 25kg/Cardboard Drum, kana zvinoenderana nezvinodiwa nemutengi.
Storage Condition:Chengetedza mumidziyo yakavharwa panzvimbo inotonhorera uye yakaoma (2~8℃) yekuchengetera kure nezvinhu zvisingaenderane.Dzivirira kubva kuchiedza uye unyoro.
pH
tora 1.0g yechigadzirwa ichi, wedzera 50ml yemvura kuti inyunguduke, uye uiyere maererano nemutemo (General mutemo 0631).Iko pH kukosha kunofanira kuva 7.0 ~ 8.5.
Transmittance of Solution
Tora 0.60g yechigadzirwa ichi, wedzera mvura 20ml kuti inyunguduke, maererano neUV-inooneka spectrophotometry (General mutemo 0401), kuyera transmittance pa430nm wavelength, kwete pasi pe98.0%.
Chloride
Tora 0.25g yechigadzirwa ichi uye utarise maererano nemutemo (General mutemo 0801).Kana ichienzaniswa neyakagadziriswa mhinduro yakagadzirwa ne0.02% yeyakajairwa sodium chloride mhinduro, haifanirwe kuve yakanyanya kuomeswa ().
Sulfate
Tora 1.0g yechigadzirwa ichi uye utarise maererano nemutemo (General mutemo 0802).Kuenzaniswa nemhinduro yekudzora yakagadzirwa ne0.02% yeyakajairwa potassium sulfate solution, haifanirwe kuve yakanyanya kuomeswa ().
Ammonium Munyu
tora 0.10g yechigadzirwa ichi uye utarise maererano nemutemo (General mutemo 0808).Kuenzaniswa nemhinduro yekudzora yakagadzirwa ne0.02% yeyakajairwa ammonium chloride mhinduro, haizove yakadzika ().
Mamwe maAmino Acids
tora huwandu hwakakodzera hwechigadzirwa ichi, wedzera mvura kuti inyunguduke uye inyungurudze kuita mhinduro ine inenge 10 mg per lml semuyedzo mhinduro;Tora 1ml yekuenzanisa kuyerwa uye uiise mu 200ml yekuyeresa flask, dilute kuyera nemvura, zunungusa zvakanaka, sekugadzirisa kugadzirisa;Tora chiyero chakakodzera che histidine reference uye proline reference maererano, uye nzvimbo mune imwechete yekuyeresa flask, mvura yakawedzerwa kunyunguduka uye yakanyungudutswa kugadzirira mhinduro ine inenge 0.4mg imwe neimwe pa 1ml segadziriro-yakakodzera sarudzo.Zvinoenderana neiyo yakatetepa layer chromatography (General 0502) bvunzo, Dhirowa 5 u1 yeimwe neimwe yemhinduro nhatu dziri pamusoro, zvichiteerana inongedza pane imwechete silica gel G nhete layer plate, ine N-propanol-yakadzika ammonia solution (67:33) se kugadzira solvent, kuwedzera, kuoma, pfapfaidza neninhydrin muacetone solution (1-50), kupisa pa80°C kusvika makwapa aoneka, woongorora nekukasika.Iyo yekudzora mhinduro inofanirwa kuratidza yakajeka nzvimbo, uye iyo system inoshanda mhinduro inofanirwa kuratidza maviri akapatsanurwa makwapa.Kana mhinduro yekuedza ichiratidza mavara asina kuchena, ruvara harufanire kunge rwakadzika (0.5%) kupfuura nzvimbo huru yemhinduro yekutonga.
Kurasika paKuomesa
tora chigadzirwa ichi, chakaoma pa105 ℃ kwemaawa matatu, kurasikirwa kwehuremu hakufaniri kudarika 0.2% (General mutemo 0831).
Residue paIgnition
Kwete kupfuura 0.1% (General mutemo 0841).
Iron Munyu
tora 1.0g yechigadzirwa ichi uye utarise zvinoenderana nemutemo (General mutemo 0807).Kana ichienzaniswa neyakagadziriswa mhinduro yakagadzirwa ne0.001% yeyakajairwa iron solution, haizove yakadzika ().
Heavy metals
Ichi chigadzirwa 1.0g, kuongororwa maererano nemutemo (General Principles 0821 Mutemo wekutanga), ine heavy metals haifaniri kudarika zvikamu gumi pamiriyoni.
Arsenic Munyu
tora 2.0g yechigadzirwa ichi, wedzera 23ml yemvura kuti inyunguduke, wedzera 5ml yehydrochloric acid, tarisa maererano nemutemo (General mutemo 0822 mutemo wekutanga), inofanira kuenderana nemitemo (0.0001%).
Bacterial Endotoxin
Tora chigadzirwa ichi, tarisa maererano nemutemo (General mutemo 1143), imwe neimwe lg histidine ine endotoxin inofanira kunge iri pasi pe6.0EU.(Yejekiseni)
351-50-8 - Kutsunga kwemukati
Tora chigadzirwa ichi chinenge 0.15g, kunyatsoyera kuyera, wedzera anhydrous formic acid 2ml kuti inyunguduke, wedzera glacial acetic acid 50ml, maererano nenzira inogona kuita titration (General mutemo 0701), ine perchloric acid titration solution (0.1 mol / L) titration, uye mhedzisiro yetitration yakagadziriswa nebvunzo isina chinhu.Imwe neimwe 1 ml perchloric acid titration solution (0.1 mol/ L) inoenderana ne15.52mg yeC6H9N302.
Kutenga sei?Please contactDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Makore 15 Oupenyu?Tine makore anopfuura 15 ane ruzivo mukugadzira uye kutumira kunze kwemhando dzakasiyana-siyana dzepamusoro dzemishonga yepakati kana makemikari akanaka.
Main Markets?Tengesa kumusika wepamba, North America, Europe, India, Korea, Japan, Australia, nezvimwe.
Zvakanakira?Hunhu hwepamusoro, mutengo unokwanisika, masevhisi ehunyanzvi uye rutsigiro rwehunyanzvi, kuendesa nekukurumidza.
HunhuSimbiso?Strict quality control system.Midziyo yehunyanzvi yekuongorora inosanganisira NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, nezvimwe.
Samples?Zvigadzirwa zvakawanda zvinopa mahara emahara ekuongorora kwemhando, mutengo wekutumira unofanirwa kubhadharwa nevatengi.
Factory Audit?Factory audit inogamuchirwa.Ndapota itai nguva isati yasvika.
MOQ?Hapana MOQ.Kurongeka kudiki kunogamuchirwa.
Delivery Nguva? Kana mukati me stock, mazuva matatu kutumirwa anovimbiswa.
Transportation?Ne Express (FedEx, DHL), neMhepo, neGungwa.
Zvinyorwa?Mushure mekutengesa sevhisi: COA, MOA, ROS, MSDS, nezvimwe zvinogona kupihwa.
Custom Synthesis?Inogona kupa echinyakare synthesis masevhisi kuti aenderane nezvinodiwa zvako zvekutsvagisa.
Payment Terms?Proforma invoice inozotumirwa kutanga mushure mekusimbisa kurongeka, yakavharirwa ruzivo rwedu rwebhangi.Kubhadhara neT/T (Telex Transfer), PayPal, Western Union, nezvimwe.
Hazard Symbols Xn - Zvinokuvadza
Tsanangudzo Yekuchengetedza S22 - Usafeme guruva.
S24/25 - Dzivisa kusangana neganda nemeso.
S36/37 - Pfeka zvipfeko zvekudzivirira zvakakodzera uye magurovhosi.
S26 - Kana wasangana nemaziso, simbura nekukasira nemvura yakawanda uye tsvaga mazano ekurapwa.
WGK Germany 3
TSCA Hongu
HS Code 2922491990
D-Histidine (HD-His-OH) (CAS: 351-50-8) isiri yakasikwa, biologically inactive isomer yeL-Histidine.D-Histidine inozivikanwa kuti inhibit cell division, uye inoshandiswawo nemamwe marudzi ebhakitiriya (akadai seEscherichia coli) sechitubu cheL-Histidine.Iyo optically inoshanda fomu ye histidine ine D-kugadzirisa.
Amino acids uye zvinobva mupeptide synthesis, inoshandiswa se organic synthesis yepakati, mishonga yepakati, inogona kushandiswa sechiral yepakati, biochemical reagent kana kemikari reagent.
D-Histidine inogona kushandiswa mukugadzira peptide zvinodhaka, cationic peptides, senge analogues e carnosine.D-Histidine inogona zvakare kushandiswa seyakakura simbi sequestration agent.
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