L-Cystine CAS 56-89-3 (H-Cys-OH)2 Assay 98.5~101.0% (Titration) Factory High Quality
Shanghai Ruifu Chemical Co., Ltd. ke moetsi ea ka sehloohong le mofani oa thepa ea L-Cystine, (H-Cys-OH)2, (CAS: 56-89-3) e nang le boleng bo phahameng.Joaloka e mong oa barekisi ba kholo ka ho fetisisa ba li-amino acid Chaena, Ruifu Chemical e etsa li-amino acid tse tšoanelehang le tse tsoang ho tsona ho fihlela maemo a machaba, joalo ka AJI, USP, EP, le FCC standard.Re ka fana ka lits'ebeletso tsa lefats'e ka bophara, tse nyane le tse ngata tse fumanehang.Reka L-Cystine, Ka kopo ikopanye le:alvin@ruifuchem.com
Lebitso la Lik'hemik'hale | L-cystine |
Litlhaloso tse tšoanang | L-(-)-Cystine;(H-Cys-OH)2;Laevo-cystine;(-)-cystine;(-)-3,3'-Dithiobis(2-Aminopropanoic Acid);3,3'-Dithiobis-L-Alanine |
Boemo ba Setoko | Ka Setokong, Bokhoni ba Tlhahiso Lithane tse 2000 ka Selemo |
Nomoro ea CAS | 56-89-3 |
Foromo ea limolek'hule | C6H12N2O4S2 |
Boima ba Molek'hule | 240.29 |
Melting Point | >240℃(Dec.) (lit.) |
Ntlha e belang | 468.2±45.0℃ |
Botenya | 1.68 |
Solubility | Ha e qhibilihe ka metsing, Ethanol le Ether.E qhibiliha ka Dilute Hydrochloric Acid |
Sollubility ho HCl | Hoo e ka bang Ponaletso |
Mocheso oa polokelo. | E tiisitsoe ka Dry, Store ka Mocheso oa Kamore |
COA & MSDS | E fumaneha |
Karolelano | Li-Amino Acids le Li-Derivatives |
Brand | Ruifu Chemical |
Likhoutu tsa Kotsi | Xi,Xn | RTECS | HA2690000 |
Lipolelo tsa Kotsi | 36/37/38-22 | Tsebiso ea Kotsi | E tenang |
Lipolelo tsa Tšireletseho | 26-36-24/25 | TSCA | Ee |
RIDADR | 2811 | Sehlopha sa ho paka | III |
WGK Jeremane | 3 | Khoutu ea HS | 2930901000 |
Lintho | Maemo a Tlhahlobo | Liphetho |
Ponahalo | Likristale tse tšoeu kapa phofo ea crystalline, e sa latsoeheng | E lumellana |
Boitsebiso | Infrared Absorption Spectrum | E lumellana |
Potoloho e Khethehileng [α]20/D | -218.0° ho ya ho -224.0°(C=2, 1N HCl) | -218.6° |
Boemo ba Tharollo (Transmittance) | E hlakile ebile ha e na 'Mala ≥98.0% | 98.5% |
Chloride (Cl) | ≤0.020% | <0.020% |
Sulfate (SO4) | ≤0.020% | <0.020% |
Ammonium (NH4) | ≤0.020% | <0.020% |
Tshipi (Fe) | ≤10ppm | <10ppm |
Litšepe tse boima (Pb) | ≤10ppm | <10ppm |
Arsenic (As2O3) | ≤1.0ppm | <1.0ppm |
Li-amino acid tse ling | Chromatographically Ha e Fumanehe | E lumellana |
Tahlehelo ka ho Omisa | ≤0.20% | 0.10% |
Masalla a ho Ignition | ≤0.10% | 0.04% |
Tlhahlobo | 98.5 ho isa ho 101.0% (Titration: Anhydrous Basics) | 99.8% |
Tlhahlobo ea pH | 5.0 ho isa ho 6.5 | 5.6 |
Tšimoloho | Mohloli oo e seng oa Liphoofolo | E lumellana |
Metsoako e setseng | E lumellana | E lumellana |
Qetello | Tumellano le Maemo a AJI92;USP37 | |
Shelf Life | Likhoeli tse 24 ho tloha ka Letsatsi la Tlhahiso haeba li bolokiloe hantle | |
Lisebelisoa tse ka Sehloohong | Li-amino Acids;Lisebelisoa tsa Lijo;Mekhatlo ea Meriana |
Sephutheloana: Botlolo ea Fluorinated, 25kg/bag, 25kg/Cardboard Drum, kapa ho latela tlhoko ea moreki.
Boemo ba polokelo:Boloka ka lijaneng tse tiisitsoeng sebakeng sa polokelo se pholileng, se omeletseng le se nang le moea o pholileng hole le lintho tse sa lumellaneng.Sireletsa leseli le mongobo.
TLHALOSO
Cystine e na le NLT 98.5% le NMT 101.5% ea C6H12N2O4S2, joalo ka L-Cystine, e baloang ho latela omisitsoeng.
TS'ELISO TS'OANE
A. HO AMOHELA INFORARED <197K>
B. HO PHETOHA HO BONTŠA, HO FIHLELA HO FETOHA <781S>: -215 ho ea ho -225, ho khethoa ho 20°
Tharollo ea mohlala: 20 mg/mL, ka 1 N hydrochloric acid
C. Theko ea RF ea sebaka se ka sehloohong sa tharollo ea Mohlala tekong ea Organic Impurities e lumellana le tharollo e tloaelehileng.
TLHOKOMELO
MOKHOAOA
Mohlala oa tharollo: Fetisetsa hoo e ka bang 0.1 g ea Cystine ho botlolo e emisitsoeng ka khalase, 'me u qhale ka motsoako oa 2mL ea dilute sodium hydroxide (1 ho 20) le 10 ml ea metsi.Kenya 10 ml ea tharollo ea potassium bromide (200 g/L ka metsing), 50.0 mL ea 0.1 N potassium bromate VS, le 15 ml ea dilute hydrochloric acid (17 ho 100).
Hang-hang kenya setopo ka botlolong, 'me u pholile ka bateng ea metsi a leqhoa.Lumella ho ema ho sirelelitsoe leseli bakeng sa 10 min.
Sistimi ea Titrimetric
(Sheba Titrimetry <541>)
Mokhoa: Residual titration
Titrant: 0.1 N potassium bromate VS
Back-titrant: 0.1 N sodium thiosulfate VS
Tlhaloso ea ntlha: Colorimetric
Ho lekana: ML e 'ngoe le e' ngoe ea 0.1 N potassium bromate VS e lekana le 2.403 mg ea C6H12N2O4S2 holim'a motheo o omisitsoeng.
Tlhahlobo: Eketsa 1.5 g ea iodide ea potasiamo, 'me ka mor'a 1min, titrate ka 0.1 N sodium thiosulfate VS, u sebelisa starch TS e le pontšo.Etsa qeto e se nang letho, 'me u etse tokiso e hlokahalang.
Mekhoa ea ho amohela: 98.5% ~ 101.5% ka mokhoa o omisitsoeng
LITŠILA
Tšilafalo ea Inorganic
TŠEBELETSO TSA HO KHANYA <281>: NMT 0.1%
CHLORIDE LE SULFATE, Chloride <221>: NMT 200 ppm.Karolo ea 0.7-g ha e bontše chloride e fetang 0.40 mL ea 0.01 N hydrochloric acid.
CHLORIDE LE SULFATE, Sulfate <221> NMT 200 ppm.Karolo ea 1.2-g ha e bontše sulfate ho feta 0.25 mL ea 0.020 N sulfuric acid.
IRON <241>: NMT 10ppm
LINTLHA TSE BOHLOKO, Mokhoa oa I <231>: NMT 10ppm
Litšila tsa Organic
MOKHOAOA
Tharollo e tloaelehileng: Hlakola bongata ba USP Cystine RS ho 1 N hydrochloric acid, 'me u hlapolle ka metsi ho fumana tharollo e nang le motsoako o tsejoang oa hoo e ka bang 0.02 mg/mL.
Mohlala oa tharollo: Qhala bongata ba Cystine ka 1 N hydrochloric acid, 'me u hlapolle ka metsi ho fumana tharollo e nang le motsoako o tsejoang oa hoo e ka bang 10 mg/mL.
Tharollo ea ho tšoaneleha ha Sisteme: Hlakola bongata ba USP Cystine RS le USP Arginine Hydrochloride RS ka 1 N hydrochloric acid, 'me u hlapolle ka metsi ho fumana tharollo e nang le motsoako o tsebahalang oa 0.4 mg/mL e le 'ngoe.
Sistimi ea Chromatographic (Sheba Chromatography <621>, Thin-Layer Chromatography.)
Mokhoa: TLC
Adsorbent: 0.25-mm lera la chromatographic silica gel motsoako
Bophahamo ba kopo: 5μL
Ho ntshetsa pele tsamaiso ya solvent: Motswako wa ammonia le 2-propanol (3:7)
Sehlahisoa sa spray: Qhala 0.2 g ya ninhydrin ka 100 ml ea motsoako oa butanol le 2 N acetic acid (95:5).
Tlhahlobo
Mehlala: Tharollo e tloaelehileng, Tharollo ea Mehlala, le tharollo ea ho tšoaneleha ha Sisteme
Tsoela pele joalo ka ha ho laetsoe Chromatography <621>, Thin-Layer Chromatography.Kamora ho omisa poleiti ka moea, fafatsa ka spray reagent, 'me u futhumale lipakeng tsa 100° le 105° metsotso e 15.Hlahloba poleiti.Chromatogram e tsoang ho Sisteme ea ho lekana tharollo e bonts'a matheba a mabeli a arohaneng ka ho hlaka.
Mokhoa oa ho amohela: Sebaka sefe kapa sefe sa bobeli ho tsoa ho Sample solution ha se seholo kapa se matla ho feta sebaka sa mantlha sa tharollo ea Maemo.
Litšila tsa motho ka mong: NMT 0.2%
Kakaretso ea litšila: NMT 2.0%
LITEKO TSEKO
LOSSON KA HO OMETSA <731>: Omisa sampole ho 105℃ bakeng sa 3 h: e lahleheloa ke NMT 0.2% ea boima ba eona.
KEKELETSO LIHLOKO
PAKARETSO LE HO BOLOKA: Boloka ka lijaneng tse koetsoeng hantle, ’me u li boloke mochesong o laolehileng oa kamore.
USP REFERENCE LITEKELO <11>
USP Arginine Hydrochloride RS
USP Cystine RS
Mokhoa oa ho Reka?Ka kopo ikopanyeDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Phihlelo ea Lilemo Tse 15?Re na le boiphihlelo ba lilemo tse fetang 15 ho etsa le ho romella kantle ho naha mefuta e mengata e fapaneng ea li-intermediate tsa boleng bo holimo tsa meriana kapa lik'hemik'hale tse ntle.
Limmaraka tse ka Sehloohong?Rekisetsa 'maraka oa lapeng, Amerika Leboea, Europe, India, Korea, Japane, Australia, joalo-joalo.
Melemo?Boleng bo phahameng, theko e theko e tlaase, lits'ebeletso tsa litsebi le ts'ehetso ea tekheniki, phano e potlakileng.
BolengTiisetso?Tsamaiso e thata ea taolo ea boleng.Lisebelisoa tsa profeshenale bakeng sa tlhahlobo li kenyelletsa NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, joalo-joalo.
Mehlala?Lihlahisoa tse ngata li fana ka mehlala ea mahala bakeng sa tlhahlobo ea boleng, litšenyehelo tsa ho tsamaisa thepa li lokela ho lefshoa ke bareki.
Feme Audit?Ho amoheloa ha fektheri.Ke kopa o etse kopano esale pele.
MOQ?Ha ho MOQ.Taelo e nyenyane e amoheleha.
Nako ea thomello? Haeba ka har'a setoko, ho netefalitsoe hore ho tsamaisoa ka matsatsi a mararo.
Lipalangoang?Ka Express (FedEx, DHL), ka Moea, ka Leoatle.
Litokomane?Ka mor'a tšebeletso ea thekiso: COA, MOA, ROS, MSDS, joalo-joalo e ka fanoa.
Custom Synthesis?E ka fana ka lits'ebeletso tsa tloaelo tsa ho kopanya ho lekana hantle litlhoko tsa hau tsa lipatlisiso.
Litefiso Melao?Invoice ea Proforma e tla romelloa pele kamora netefatso ea odara, e kenyellelitseng tlhahisoleseling ea rona ea banka.Tefo ka T/T (Telex Transfer), PayPal, Western Union, joalo-joalo.
L-Cystine, (H-Cys-OH)2, (CAS: 56-89-3) ke sulfur e nang le amino acid.1. L-Cysteine e na le detoxification e sebetsang hantle.2. L-Cysteine e ka thibela le ho phekola kotsi ea mahlaseli ka katleho.3. Lcysteine e ka tlosa melanin ea letlalo ka boeona, ea fetola tlhaho ea letlalo ka boeona, letlalo le fetoha bosoeu ba tlhaho.Ke mofuta oa litlolo tse ntle tsa tlhaho tse soeufatsang.4. L-Cysteine e ka ntlafatsa matšoao a ho ruruha le ho kula ha letlalo.5. L-Cysteine ka lefu la letlalo le nang le manaka le eona ke hypertrophy e sebetsang.6. L-Cysteine e na le mosebetsi oa ho thibela botsofali ba likokoana-hloko.7. Cysteine ke mofuta oa amino acid ea tlhaho, e na le mekhoa e mengata ea ho sebelisa lijo, e sebelisoa haholo-holo bakeng sa lihlahisoa tsa ho baka, e le karolo e hlokahalang ea ho ntlafatsa hlama.8.Bakeng sa lipatlisiso tsa biochemical.Lokisetsa mokhoa oa tlhaho oa baeloji.E sebelisoa lipatlisisong tsa biochemistry le phepo e nepahetseng.Meriana, e ka khothaletsa ts'ebetso ea oxidation le phokotso ea lisele tsa 'mele, ho eketsa lisele tse tšoeu tsa mali le ho thibela nts'etsopele ea libaktheria tsa pathogenic.E sebelisoa haholo-holo bakeng sa mefuta e sa tšoaneng ea alopecia.E boetse e sebelisoa bakeng sa mafu a tšoaetsanoang a matla a kang letšollo, typhoid, ntaramane, asthma, neuralgia, eczema le mafu a fapaneng a chefo, 'me e phetha karolo ea ho boloka liprotheine.E boetse e sebelisoa e le monko oa lijo.9. Biochemical reagent, e sebelisetsoang ho lokisa setso sa baeloji.Hape ke karolo ea bohlokoa ea infusion ea amino acid le ho itokisa ha amino acid.10. Joalo ka se matlafatsang phepo ea phepo, se thusa kholong ea liphoofolo, ho eketsa boima ba 'mele, sebete le tšebetso ea liphio le ho ntlafatsa boleng ba boea.11. E ka sebelisoa e le setlolo sa litlolo ho khothalletsa pholiso ea maqeba, ho thibela ho kula ha letlalo le ho phekola eczema.