L-Cystine CAS 56-89-3 (H-Cys-OH) 2 Assay 98.5 ~ 101.0% (Titration) Ile-iṣẹ Didara to gaju
Shanghai Ruifu Chemical Co., Ltd jẹ olupilẹṣẹ asiwaju ati olupese ti L-Cystin, (H-Cys-OH) 2, (CAS: 56-89-3) pẹlu didara to gaju.Gẹgẹbi ọkan ninu awọn olupese amino acids ti o tobi julọ ni Ilu China, Kemikali Ruifu ṣe iṣelọpọ amino acids ati awọn itọsẹ to peye si awọn iṣedede agbaye, gẹgẹbi AJI, USP, EP, ati boṣewa FCC.A le pese ifijiṣẹ agbaye, kekere ati titobi pupọ ti o wa.Ra L-Cystin, Jọwọ kan si:alvin@ruifuchem.com
| Orukọ Kemikali | L-Cystine |
| Awọn itumọ ọrọ sisọ | L- (-) cystine;(H-Cys-OH) 2;Laevo-Cystine;(-) cystine;(-) -3,3'-Dithiobis (2-Aminopropanoic Acid);3,3'-Dithiobis-L-Alanine |
| Iṣura Ipo | Ninu Iṣura, Agbara iṣelọpọ 2000 Toonu fun Ọdun |
| Nọmba CAS | 56-89-3 |
| Fọọmu Molecular | C6H12N2O4S2 |
| Òṣuwọn Molikula | 240.29 |
| Ojuami Iyo | > 240 ℃ (oṣu kejila) (tan.) |
| Ojuami farabale | 468,2 ± 45,0 ℃ |
| iwuwo | 1.68 |
| Solubility | Insoluble ninu Omi, Ethanol ati Eteri.Tituka ni Dilute Hydrochloric Acid |
| Solubility ni HCl | Fere akoyawo |
| Ibi ipamọ otutu. | Ididi ni Gbẹ, Itaja ni Yara otutu |
| COA & MSDS | Wa |
| Iyasọtọ | Amino acids ati awọn itọsẹ |
| Brand | Ruifu Kemikali |
| Awọn koodu ewu | Xi, Xn | RTECS | HA2690000 |
| Awọn Gbólóhùn Ewu | 36/37/38-22 | Akọsilẹ ewu | Irritant |
| Awọn Gbólóhùn Aabo | 26-36-24/25 | TSCA | Bẹẹni |
| RIDADR | 2811 | Iṣakojọpọ Ẹgbẹ | III |
| WGK Germany | 3 | HS koodu | 2930901000 |
| Awọn nkan | Ayewo Standards | Esi |
| Ifarahan | Awọn kirisita funfun tabi Lulú Kirisita, Laini itọwo | Ni ibamu |
| Idanimọ | Infurarẹẹdi Absorption julọ.Oniranran | Ni ibamu |
| Yiyi pato [α] 20/D | -218.0° si -224.0°(C=2, 1N HCl) | -218.6° |
| Ipo Solusan (Gbigbepo) | Ko o ati Alailowaya ≥98.0% | 98.5% |
| 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) | ≤1.0ppm | <1.0ppm |
| Awọn amino acids miiran | Chromatographically Ko ṣe iwari | Ni ibamu |
| Pipadanu lori Gbigbe | ≤0.20% | 0.10% |
| Aloku lori Iginisonu | ≤0.10% | 0.04% |
| Ayẹwo | 98.5 si 101.0% (Titration: Ipilẹ Anhydrous) | 99.8% |
| Idanwo pH | 5.0 to 6.5 | 5.6 |
| Ipilẹṣẹ | Orisun ti kii-Eranko | Ni ibamu |
| Awọn ohun elo ti o ku | Ni ibamu | Ni ibamu |
| Ipari | Accords with the Standard of AJI92;USP37 | |
| Igbesi aye selifu | Awọn oṣu 24 Lati Ọjọ iṣelọpọ ti o ba wa ni ipamọ daradara | |
| Awọn Lilo akọkọ | Amino acids;Awọn afikun Ounjẹ;elegbogi Intermediates | |
Package: Igo Fluorinated, 25kg / apo, 25kg / Paali Ilu, tabi gẹgẹ bi 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.
ITUMO
Cystine ni ninu NLT 98.5% ati NMT 101.5% ti C6H12N2O4S2, bi L-Cystine, ti a ṣe iṣiro lori ipilẹ ti o gbẹ.
Ìdámọ̀
A. INFRED ABSORPTION <197K>
B. Iyipo OPTICAL, Yiyi pato <781S>: -215 si -225, ti pinnu ni 20°
Ojutu ayẹwo: 20 mg/mL, ni 1 N hydrochloric acid
C. Iye RF ti aaye akọkọ ti ojutu Ayẹwo ninu idanwo fun Awọn aiṣedeede Organic ni ibamu si ti ojutu Standard.
ASAY
Ilana
Ojutu Apeere: Gbigbe nipa 0.1 g ti Cystine si gilasi-iduro gilasi, ki o tu ni adalu 2 milimita ti dilute sodium hydroxide (1 ni 20) ati 10 milimita omi.Fi 10 milimita ti ojutu bromide potasiomu (200 g/L ninu omi), 50.0 milimita ti 0.1 N potasiomu bromate VS, ati 15 milimita ti dilute hydrochloric acid (17 ni 100).
Lẹsẹkẹsẹ fi idaduro naa sinu ọpọn, ki o si tutu ninu iwẹ omi yinyin kan.Gba laaye lati duro ni aabo lati ina fun iṣẹju 10.
Titrimetric eto
(Wo Titrimetry <541>)
Ipo: Titration ti o ku
Titrant: 0.1 N potasiomu bromate VS
Back-titrant: 0.1 N sodium thiosulfate VS
Iwari Endpoint: Colorimetric
Idogba: ML kọọkan ti 0.1 N potasiomu bromate VS jẹ deede si 2.403 mg ti C6H12N2O4S2 lori ipilẹ gbigbe.
Onínọmbà: Fi 1.5 g ti potasiomu iodide kun, ati lẹhin iṣẹju 1, titrate pẹlu 0.1 N sodium thiosulfate VS, ni lilo sitashi TS gẹgẹbi itọkasi.Ṣe ipinnu òfo, ki o si ṣe atunṣe to ṣe pataki.
Awọn ilana gbigba: 98.5% ~ 101.5% lori ipilẹ ti o gbẹ
ALÁÌṢẸ́
Awọn Egbin Aiṣedeede
AGBEGBE LORI IBINU <281>: NMT 0.1%
KHLORIDE ATI SULFATE, Kloride <221>: NMT 200 ppm.Apa 0.7-g kan fihan ko si kiloraidi diẹ sii ju ibaamu 0.40 mL ti 0.01 N hydrochloric acid.
KHLORIDE ATI SULFATE, Sulfate <221> NMT 200 ppm.Apa kan 1.2-g fihan ko si imi-ọjọ diẹ sii ju ibaamu 0.25 milimita ti 0.020 N sulfuric acid.
IRIN <241>: NMT 10ppm
Awọn irin eru, Ọna I <231>: NMT 10ppm
Organic impurities
Ilana
Ojutu boṣewa: Tu opoiye USP Cystin RS sinu 1 N hydrochloric acid, ki o si dilute pẹlu omi lati gba ojutu kan ti o ni ifọkansi ti a mọ ti nipa 0.02 mg/mL.
Ojutu Apeere: Tu opoiye Cystine ni 1 N hydrochloric acid, ki o si dilute pẹlu omi lati gba ojutu kan ti o ni ifọkansi ti a mọ ti nipa 10 mg/mL.
Ojutu ìbójúmu eto: Tu titobi USP Cystin RS ati USP Arginine Hydrochloride RS ni 1 N hydrochloric acid, ki o si dilute pẹlu omi lati gba a ojutu nini a mọ fojusi ti nipa 0.4 mg/mL kọọkan.
Eto Chromatographic (Wo Chromatography <621>, Chromatography Tinrin.)
Ipo: TLC
Adsorbent: 0.25-mm Layer ti chromatographic silica gel mix
Iwọn ohun elo: 5μL
Idagbasoke eto epo: Adalu amonia ati 2-propanol (3: 7)
Sokiri reagent: Tu 0.2 g ti ninhydrin ni 100 milimita ti adalu butanol ati 2 N acetic acid (95: 5).
Onínọmbà
Awọn apẹẹrẹ: Ojutu boṣewa, Ojutu Ayẹwo, ati ojutu ibamu eto
Tẹsiwaju bi itọsọna fun Chromatography <621>, Chromatography tin-Layer.Lẹhin gbigbe awo naa ni afẹfẹ, fun sokiri pẹlu reagent sokiri, ati ooru laarin 100 ° ati 105° fun iṣẹju 15.Ayewo awo.Kromatogram lati ojutu ibaamu eto ṣe afihan awọn aaye meji ti o yapa kedere.
Awọn ibeere gbigba: Eyikeyi aaye keji lati ojutu Ayẹwo ko tobi tabi diẹ sii ju aaye akọkọ ti ojutu Standard.
Awọn aimọ ẹnikọọkan: NMT 0.2%
Lapapọ awọn aimọ: NMT 2.0%
Awọn idanwo pataki
Losson LORI gbigbẹ <731>: Gbẹ ayẹwo ni 105 ℃ fun wakati 3: o padanu NMT 0.2% ti iwuwo rẹ.
Awọn ibeere afikun
Iṣakojọpọ ati Ipamọ: Fipamọ sinu awọn apoti ti o ni pipade daradara, ati tọju ni iwọn otutu yara ti a ṣakoso.
USP ÌRÁNTÍ awọn ajohunše <11>
USP Arginine Hydrochloride RS
USP Cystine RS
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.
L-Cystine, (H-Cys-OH) 2, (CAS: 56-89-3) jẹ amino acid ti o ni imi-ọjọ imi-ọjọ.1. L-Cysteine ni imunadoko ti o munadoko.2. L-Cysteine le ṣe idiwọ daradara ati tọju ipalara itọsi.3. LCysteine le yọ awọ ara melanin funrararẹ, yi iru awọ ara rẹ pada, awọ ara di funfun funfun.O ti wa ni a irú ti bojumu adayeba funfun Kosimetik.4. L-Cysteine le mu awọn aami aiṣan ti ipalara ati awọn nkan ti ara korira dara.5. L-Cysteine lori arun ara iwo tun jẹ hypertrophy ti o munadoko.6. L-Cysteine ni iṣẹ kan lati dena ti ogbo ti ibi.7. Cysteine jẹ iru amino acid adayeba, ni ọpọlọpọ awọn ipawo ni ṣiṣe ounjẹ, o jẹ lilo fun awọn ọja ti o yan, gẹgẹbi ẹya pataki ti imudara iyẹfun.8.Fun iwadi biokemika.Mura ti ibi asa alabọde.O ti wa ni lo ninu biochemistry ati ounje iwadi.Ni oogun, o le ṣe igbelaruge ifoyina ati iṣẹ idinku ti awọn sẹẹli ara, mu awọn sẹẹli ẹjẹ funfun pọ si ati ṣe idiwọ idagbasoke ti awọn kokoro arun pathogenic.O ti wa ni o kun lo fun orisirisi alopecia.O tun lo fun awọn aarun ajakalẹ-arun bii dysentery, typhoid, aarun ayọkẹlẹ, ikọ-fèé, neuralgia, àléfọ ati awọn arun majele pupọ, ati pe o ṣe ipa kan ninu mimu iṣeto ni amuaradagba.O ti wa ni tun lo bi ounje adun oluranlowo.9. Biokemika reagent, lo fun igbaradi ti ibi asa alabọde.O tun jẹ paati pataki ti idapo amino acid ati igbaradi amino acid agbo.10. Bi ifunni ounje imudara, o jẹ conducive si eranko idagbasoke, mu ara àdánù, ẹdọ ati Àrùn iṣẹ ati ki o mu onírun didara.11. O le ṣee lo bi afikun ohun ikunra lati ṣe igbelaruge iwosan ọgbẹ, dena aleji awọ ara ati tọju àléfọ.
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