L-Cystine CAS 56-89-3 (H-Cys-OH)2 Kuongorora 98.5~101.0% (Titration) Factory High Quality
Shanghai Ruifu Chemical Co., Ltd. ndiyo inotungamira mugadziri uye mutengesi weL-Cystine, (H-Cys-OH)2, (CAS: 56-89-3) ine mhando yepamusoro.Semumwe wevatengesi vakuru veamino acids muChina, Ruifu Chemical inogadzira akakwana amino acids uye zvinobva kune dzimwe nyika zviyero, seAJI, USP, EP, uye FCC standard.Isu tinokwanisa kupa kuendesa pasirese, zvidiki uye huwandu hwakawanda huripo.Tenga L-Cystine, Ndokumbira ubate:alvin@ruifuchem.com
| Chemical Name | L-cystine |
| Mashoko anoreva zvakafanana | L-(-)-Cystine;(H-Cys-OH)2;Laevo-Cystine;(-)-cystine;(-)-3,3'-Dithiobis(2-Aminopropanoic Acid);3,3'-Dithiobis-L-Alanine |
| Stock Status | MuStock, Kukwanisa Kugadzira 2000 Matani pagore |
| Nhamba yeCAS | 56-89-3 |
| Molecular Formula | C6H12N2O4S2 |
| Molecular Weight | 240.29 |
| Melting Point | >240℃(December) (lit.) |
| Boiling Point | 468.2±45.0℃ |
| Density | 1.68 |
| Solubility | Insoluble muMvura, Ethanol uye Ether.Inonyungudika muDilute Hydrochloric Acid |
| Solubility muHCl | Kuda Kujeka |
| Storage Temp. | Yakavharwa muKuoma, Chengetedza paChikamu Tembiricha |
| COA & MSDS | Available |
| Classification | Amino Acids uye Derivatives |
| Brand | Ruifu Chemical |
| Hazard Codes | Xi,Xn | RTECS | HA2690000 |
| Risk Statements | 36/37/38-22 | Hazard Note | Irritant |
| Safety Statements | 26-36-24/25 | TSCA | Ehe |
| RIDADR | 2811 | Packing Group | III |
| WGK Germany | 3 | HS Code | 2930901000 |
| Items | Kuongorora Maitiro | Results |
| Chitarisiko | Makristasi Akachena kana Crystalline Powder, isina kunaka | Conforms |
| Identification | Infrared Absorption Spectrum | Conforms |
| Kutenderera kwakananga [α]20/D | -218.0° kusvika -224.0°(C=2, 1N HCl) | -218.6° |
| State of Solution (Transmittance) | Zvakajeka uye Zvisina Ruvara ≥98.0% | 98.5% |
| Chloride (Cl) | ≤0.020% | <0.020% |
| Sulfate (SO4) | ≤0.020% | <0.020% |
| Ammonium (NH4) | ≤0.020% | <0.020% |
| Simbi (Fe) | ≤10ppm | <10ppm |
| Masimbi anorema (Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1.0ppm | <1.0ppm |
| Mamwe maAmino Acids | Chromatographically Haioneki | Conforms |
| Kurasika paKuomesa | ≤0.20% | 0.10% |
| Residue paIgnition | ≤0.10% | 0.04% |
| Assay | 98.5 kusvika 101.0% (Titration: Anhydrous Basis) | 99.8% |
| pH Test | 5.0 kusvika 6.5 | 5.6 |
| Origin | Kunobva Kusiri Mhuka | Conforms |
| Residual Solvents | Conforms | Conforms |
| Mhedziso | Zvinoenderana neChiyero che AJI92;USP37 | |
| Sherufu Hupenyu | 24 Mwedzi Kubva Kugadzirwa Zuva Kana Yakachengetwa Zvakanaka | |
| Main Use | Amino Acids;Zvokudya zvinowedzera;Pharmaceutical Intermediates | |
Package: Fluorinated Bhodhoro, 25kg/bhegi, 25kg/Cardboard Drum, kana zvinoenderana nezvinodiwa nemutengi.
Storage Condition:Chengetedza mumidziyo yakavharwa panzvimbo inotonhorera, yakaoma uye inofefetera kure nezvinhu zvisingaenderane.Dzivirira kubva kuchiedza uye unyoro.
DEFINITION
Cystine ine NLT 98.5% uye NMT 101.5% yeC6H12N2O4S2, seL-Cystine, yakaverengerwa pakaomeswa.
KUZIVA
A. INFRARED AVORPTION <197K>
B. OPTICAL ROTATION, Specific Rotation <781S>: -215 kusvika -225, yakatarwa pa20°
Sample solution: 20 mg/mL, mu1 N hydrochloric acid
C. Kukosha kweRF kwenzvimbo huru yeSample solution muyedzo yeOrganic Impurities inoenderana neiyo Standard solution.
ASSAY
PROCEDURE
Sample solution: Shandura inenge 0.1 g yeCystine kune girazi-yakamisa flask, uye nyunguduka mumusanganiswa we 2 mL ye dilute sodium hydroxide (1 mu 20) uye 10 mL yemvura.Wedzera 10 mL ye potassium bromide solution (200 g/L mumvura), 50.0 mL ye 0.1 N potassium bromate VS, uye 15 mL ye dilute hydrochloric acid (17 mu100).
Pakarepo isa chivharo muflask, uye utonhorere mumvura yechando yekugeza.Bvumira kumira kudzivirirwa kubva kuchiedza kwemaminitsi gumi.
Titrimetric system
(Ona Titrimetry <541>)
Mode: Residual titration
Titrant: 0.1 N potassium bromate VS
Back-titrant: 0.1 N sodium thiosulfate VS
Endpoint kuona: Colorimetric
Kuenzana: ML imwe neimwe ye0.1 N potassium bromate VS yakaenzana ne 2.403 mg yeC6H12N2O4S2 pane yakaomeswa.
Kuongorora: Wedzera 1.5 g ye potassium iodide, uye mushure me1min, titrate ne 0.1 N sodium thiosulfate VS, uchishandisa starch TS sechiratidzo.Ita chisungo chisina chinhu, uye ita chero gadziriso inodiwa.
Maitiro ekugamuchira: 98.5% ~ 101.5% pane yakaomeswa hwaro
KUSIRIRA
Inorganic Impurities
ZVINOSARA PAKABATIDZA <281>: NMT 0.1%
CHLORIDE NESULFATE, Chloride <221>: NMT 200 ppm.A 0.7-g chikamu hachiratidzi chloride kupfuura inoenderana ne0.40 mL ye0.01 N hydrochloric acid.
CHLORIDE NESULFATE, Sulfate <221> NMT 200 ppm.Chikamu che 1.2-g hachiratidzi sulfate kupfuura inoenderana ne0.25 mL ye0.020 N sulfuric acid.
IRON <241>: NMT 10ppm
METALS ZVIKURU, Nzira I <231>: NMT 10ppm
Organic Kusachena
PROCEDURE
Standard solution: Dissolve a quantity of USP Cystine RS mu 1 N hydrochloric acid, uye dilute nemvura kuti uwane mhinduro ine uwandu hunozivikanwa hunosvika 0.02 mg/mL.
Sample solution: Dissolve a quantity of Cystine in 1 N hydrochloric acid, uye dilue nemvura kuti uwane mhinduro ine uwandu hunozivikanwa hunosvika 10 mg/mL.
System suitability solution: Dissolve quantities of USP Cystine RS uye USP Arginine Hydrochloride RS mu 1 N hydrochloric acid, uye dilute nemvura kuti uwane mhinduro ine uwandu hunozivikanwa hunosvika 0.4 mg/mL imwe neimwe.
Chromatographic system (Ona Chromatography <621>, Thin-Layer Chromatography.)
Modhi: TLC
Adsorbent: 0.25-mm layer yechromatographic silica gel musanganiswa
Kushandiswa kwevhoriyamu: 5μL
Kugadzira solvent system: Musanganiswa weammonia ne2-propanol (3:7)
Spray reagent: Dissolve 0.2 g ye ninhydrin mu 100 mL yemusanganiswa webutanol uye 2 N acetic acid (95: 5).
Analysis
Samples: Yakajairwa mhinduro, Sample mhinduro, uye System kukodzera mhinduro
Enderera sekurairwa kweChromatography <621>, Thin-Layer Chromatography.Wapedza kuomesa ndiro, pfapfaidza neSpray reagent, wopisa pakati pe100° ne105° kwemaminetsi gumi nemashanu.Ongorora ndiro.Iyo chromatogram kubva kuSystem yakakodzera mhinduro inoratidza maviri akapatsanurwa mavara.
Maitiro ekugamuchira: Chero nzvimbo yechipiri kubva kuSample solution haina kukura kana kusimba kupfuura nzvimbo huru yeStandard solution.
Kusachena kwemunhu: NMT 0.2%
Yese tsvina: NMT 2.0%
ZVIYEDZO ZVAKANAKA
LOSSON PAKUOMESA <731>: Pukuta sampuli pa105℃ kwe3 h: inorasikirwa neNMT 0.2% yehuremu hwayo.
ZVIMWE ZVINODIWA
PACKAGE AND STORAGE: Chengetedza mumidziyo yakavharwa zvakanaka, uye chengeta patembiricha yekamuri inodzorwa.
USP REFERENCE MITIRO <11>
USP Arginine Hydrochloride RS
USP Cystine RS
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.
L-Cystine, (H-Cys-OH)2, (CAS: 56-89-3) is sulfur-ine amino acid.1. L-Cysteine ine detoxification inoshanda.2. L-Cysteine inogona kunyatsodzivirira uye kubata kukuvara kwemwaranzi.3. LCysteine inogona kubvisa ganda melanin pachayo, kushandura chimiro cheganda pachayo, ganda rinova rakachena.Irwo rudzi rwezvakanakira chena zvizoro.4. L-Cysteine inogona kuvandudza zviratidzo zvekuputika uye ganda rinopisa.5. L-Cysteine pahorny skin disease inobatsirawo hypertrophy.6. L-Cysteine ine basa rekudzivirira kukwegura kwehupenyu.7. Cysteine rudzi rwechisikigo amino acid, ine zvakawanda zvinoshandiswa mukugadzirisa zvokudya, inonyanya kushandiswa kugadzira zvigadzirwa, sechinhu chinodiwa chekugadzirisa hupfu.8.Nezve biochemical research.Gadzirira biological culture medium.Inoshandiswa mu biochemistry uye tsvakurudzo yezvokudya.Mumushonga, inogona kukurudzira oxidation uye kuderedza basa remasero emuviri, kuwedzera masero machena eropa uye kudzivirira kukura kwepathogenic bacteria.Inonyanya kushandiswa kune dzakasiyana-siyana alopecia.Inoshandiswawo kune zvirwere zvinotapukira zvakadai semanyoka, typhoid, furuwenza, asthma, neuralgia, eczema uye zvirwere zvakasiyana-siyana zvehupfu, uye inoita basa rekuchengetedza mapuroteni.Inoshandiswawo sechinhu chinonhuwira chikafu.9. Biochemical reagent, inoshandiswa kugadzirira biological culture medium.Ichowo chikamu chakakosha cheamino acid infusion uye komputa amino acid kugadzirira.10. Sekuwedzera kwekudya kwekudya, inobatsira pakukura kwemhuka, kuwedzera uremu hwemuviri, chiropa uye kushanda kweitsvo uye kunatsiridza fur quality.11. Inogona kushandiswa sechishongedzo chekuwedzera kukurudzira kuporesa maronda, kudzivirira ganda rinopisa uye kurapa eczema.
