L-Cystine CAS 56-89-3 (H-Cys-OH)2 Su'ega 98.5~101.0% (Titration) Falegaosimea Maualuluga
Shanghai Ruifu Chemical Co., Ltd. o le taʻutaʻua taʻutaʻua ma tuʻuina atu le L-Cystine, (H-Cys-OH)2, (CAS: 56-89-3) faʻatasi ai ma le maualuga.I le avea ai ma se tasi o faʻatau amino acids sili ona tele i Saina, Ruifu Chemical gaosi amino acids agavaa ma mea e maua mai i tulaga faʻavaomalo, e pei o le AJI, USP, EP, ma le FCC.E mafai ona matou tuʻuina atu i le lalolagi atoa le tuʻuina atu, laʻititi ma tele aofaʻi avanoa.Fa'atau L-Cystine, Fa'amolemole fa'afeso'ota'i:alvin@ruifuchem.com
| Igoa Vailaau | L-Cystine |
| Synonyms | L-(-)-Cystine;(H-Cys-OH)2;Laevo-Cystine;(-)-Cystine;(-)-3,3'-Dithiobis(2-Aminopropanoic Acid);3,3'-Dithiobis-L-Alanine |
| Tulaga Fa'asoa | I Fa'atauga, Gaosi Gaosi 2000 Tone i le Tausaga |
| Numera CAS | 56-89-3 |
| Fuafua mole | C6H12N2O4S2 |
| Molecular Weight | 240.29 |
| Lisi Lisi | >240℃(tes.) (malamalama) |
| Fa'apuna | 468.2±45.0℃ |
| Malosi | 1.68 |
| Solubility | E le mafai ona solu i le Vai, Ethanol ma Eteru.Fa'amuta ile Dilute Hydrochloric Acid |
| Solubility i le HCl | Toeititi lava Malamalama |
| Temp. | Faamaufa'ailoga i le mago, teu i le vevela o le potu |
| COA & MSDS | Avanoa |
| Fa'avasegaga | Amino acids ma mea e maua mai ai |
| Fa'ailoga | Ruifu Chemical |
| Laiti o lamatiaga | Xi,Xn | RTECS | HA2690000 |
| Fa'amatalaga Tulaga lamatia | 36/37/38-22 | Mata'utia Fa'amatalaga | Fa'aitaita |
| Fa'amatalaga Saogalemu | 26-36-24/25 | TSCA | Ioe |
| RIDADR | 2811 | Fa'aputuga Vaega | III |
| WGK Siamani | 3 | HS Code | 2930901000 |
| Aitema | Tulaga Fa'atonu | I'uga |
| Fa'aaliga | Maila Pa'epa'e po'o le Pa'u tioata, E leai se tofo | Fa'atatau |
| Fa'ailoaga | Fusi Alaleo Fa'a'aalaula | Fa'atatau |
| Ta'amilosaga Fa'apitoa [α]20/D | -218.0° i le -224.0°(C=2, 1N HCl) | -218.6° |
| Tulaga o Fofo (Transmittance) | manino ma le lanu ≥98.0% | 98.5% |
| Klorida (Cl) | ≤0.020% | <0.020% |
| Sulfate (SO4) | ≤0.020% | <0.020% |
| Ammonium (NH4) | ≤0.020% | <0.020% |
| Uamea (Fe) | ≤10ppm | <10ppm |
| Metala mamafa (Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1.0ppm | <1.0ppm |
| Isi Amino acids | Chromatographically Le Mauaina | Fa'atatau |
| Ma'imau ile Fa'amago | ≤0.20% | 0.10% |
| Toega i luga o le mumu | ≤0.10% | 0.04% |
| Su'ega | 98.5 i le 101.0% (Titration: Anhydrous Basis) | 99.8% |
| Su'ega pH | 5.0 i le 6.5 | 5.6 |
| Amataga | Punavai e le o se Manu | Fa'atatau |
| Solvents totoe | Fa'atatau | Fa'atatau |
| Fa'ai'uga | E tusa ai ma le Tulaga o AJI92;USP37 | |
| Ola Fa'asa | 24 Masina Mai le Aso Gauai pe a teu lelei | |
| Fa'aoga Autu | Amino acids;Mea'ai faaopoopo;Vailaau Fa'atekonolosi | |
afifi: Fluorinated Bottle, 25kg / taga, 25kg / Cardboard Drum, pe tusa ai ma manaoga o tagata faatau.
Tulaga teuina:Teu i totonu o koneteina fa'amaufa'ailoga i fale teuoloa malulu, mago ma fa'a'avevela mai mea e le fetaui.Puipui mai le malamalama ma le susu.
FAAMATALAGA
Cystine o lo'o i ai le NLT 98.5% ma le NMT 101.5% o le C6H12N2O4S2, e pei o le L-Cystine, fa'atatau ile fa'amamago.
FAATINOGA
A. FA'AULA'I INFRARED <197K>
B. TULA'I OPTICAL, Ta'amilosaga Fa'apitoa <781S>: -215 i le -225, fa'amoemoe ile 20°
Fa'ata'ita'iga fofo: 20 mg/mL, ile 1 N hydrochloric acid
C. O le tau RF o le nofoaga autu o le Sample solution i le suʻega mo Organic Impurities e fetaui ma le vaifofo masani.
SU'ESU'EGA
TULAGA
Fa'ata'ita'iga vaifofo: Fa'asolo pe tusa ma le 0.1 g o le Cystine i se fagu tioata, ma fa'afefiloi i se fa'afefiloi o le 2 mL o le sodium hydroxide (1 i le 20) ma le 10 mL o le vai.Faaopopo le 10 mL o le vaifofo o le potassium bromide (200 g/L i le vai), 50.0 mL o le 0.1 N potassium bromate VS, ma le 15 mL o le dilute hydrochloric acid (17 i le 100).
Fa'aofi fa'afuase'i le taofi i totonu ole fagu, ma fa'alili ile ta'ele vai aisa.Fa'ataga e tu puipuia mai le malamalama mo le 10 min.
Titrimetric faiga
(Siaki Titrimetry <541>)
Auala: Toe fa'asusuga
Titrant: 0.1 N potassium bromate VS
Tua-titrant: 0.1 N sodium thiosulfate VS
Su'esu'ega pito: Colorimetric
Tulaga tutusa: O mL ta'itasi ole 0.1 N potassium bromate VS e tutusa ma le 2.403 mg ole C6H12N2O4S2 ile fa'amago.
Iloiloga: Faʻaopoopo le 1.5 g o le potassium iodide, ma a maeʻa le 1 minute, faʻafefe i le 0.1 N sodium thiosulfate VS, faʻaaoga le TS masoa e fai ma faʻailoga.Fai se fa'ai'uga avanoa, ma fai so'o se fa'asa'oga talafeagai.
Tulaga taliaina: 98.5% ~ 101.5% i luga o le faʻamago
LELEI
Fa'aleaga Fa'aletino
TOE FA'AVA'E I LE TULAGA <281>: NMT 0.1%
KOLOTI MA LE SULFATE, KLORIDA <221>: NMT 200 ppm.Ole vaega ole 0.7-g e le sili atu le chloride nai lo le 0.40 mL ole 0.01 N hydrochloric acid.
CHLORIDE MA SULFATE, Sulfate <221> NMT 200 ppm.Ole vaega ole 1.2-g e fa'aalia e le sili atu le sulfate nai lo le tutusa ma le 0.25 mL ole 0.020 N sulfuric acid.
Umea <241>: NMT 10ppm
METAL MAMAFA, Metotia I <231>: NMT 10ppm
Oona Fa'aleaga
TULAGA
Fofo masani: Fa'amuta se aofa'i o le USP Cystine RS i le 1 N hydrochloric acid, ma fa'asusu i le vai e maua ai se vaifofo o lo'o i ai se fa'atonuga iloa e tusa ma le 0.02 mg/mL.
Fa'ata'ita'i vaifofo: Fa'amuta se aofa'i o le Cystine i le 1 N hydrochloric acid, ma fa'asusu i le vai e maua ai se vaifofo o lo'o i ai se fa'atonuga iloa e tusa ma le 10 mg/mL.
Fofo talafeagai o le faiga: Fa'amuta le aofa'i o le USP Cystine RS ma le USP Arginine Hydrochloride RS i le 1 N hydrochloric acid, ma fa'afefe i le vai e maua ai se vaifofo o lo'o iloa lona fa'atonuga e tusa ma le 0.4 mg/mL ta'itasi.
Fa'asologa o ata (Va'ai Chromatography <621>, Chromatography Layer Manifinifi.)
Auala: TLC
Adsorbent: 0.25-mm apa o chromatographic silica gel paluga
Ole tele ole talosaga: 5μL
Fa'atupuina o le solvent system: Fa'afefiloi o ammonia ma le 2-propanol (3:7)
Fa'asu'u mea fa'afefe: Fa'amuta le 0.2 g o le ninhydrin i le 100 mL o le fa'afefiloi ole butanol ma le 2 N acetic acid (95:5).
Iloiloga
Faʻataʻitaʻiga: Fofo masani, Faʻataʻitaʻiga fofo, ma le faʻaogaina o le Faiga
Fa'agasolo e pei ona fa'atonuina mo Chromatography <621>, Thin-Layer Chromatography.A maeʻa ona faʻamago le ipu, faʻafefe i le Spray reagent, ma vevela i le va o le 100 ° ma le 105 ° mo le 15 min.Su'esu'e le ipu.O le chromatogram mai le fa'aoga talafeagai o le System o lo'o fa'aalia ai ni vaega manino se lua.
Ta'iala e talia ai: So'o se vaega lona lua mai le Fa'ata'ita'iga fofo e le tele pe sili atu le malosi nai lo le nofoaga autu o le fofo Fa'ata'atia.
Fa'aleaga tagata ta'ito'atasi: NMT 0.2%
Aofa'iga o mea leaga: NMT 2.0%
SU'E FA'AMANATU
LILO I LE FAAMAGO <731>: Fa'amago se fa'ata'ita'iga i le 105 ℃ mo le 3 itula: e leiloa le NMT 0.2% o lona mamafa.
FAAOPOOPOGA
FA'UFOGA MA TE'UINA: Fa'asao i totonu o pusa tapuni lelei, ma teu i se potu e pulea lelei le vevela.
USP REFERENCE STANDARD <11>
USP Arginine Hydrochloride RS
USP Cystine RS
Fa'afefea ona Fa'atau?Fa'amolemole fa'afeso'ota'iDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
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L-Cystine, (H-Cys-OH)2, (CAS: 56-89-3) o se amino acid e iai le sulfur.1. L-Cysteine o loʻo i ai se faʻamaʻi lelei.2. L-Cysteine e mafai ona puipuia lelei ma togafitia manu'a fa'avevela.3. LCysteine e mafai ona aveese le paʻu melanin lava ia, suia le natura o le paʻu lava ia, o le paʻu e avea ma paʻepaʻe masani.O se ituaiga o teuteu faanatura pa'epa'e lelei.4. L-Cysteine e mafai ona faʻaleleia faʻamaoniga o le mumū ma le paʻu allergies.5. L-Cysteine i faʻamaʻi paʻu horny e aoga foi hypertrophy.6. L-Cysteine ei ai se galuega e puipuia ai le soifua matua.7. Cysteine o se ituaiga o amino acid masani, e tele lona faʻaogaina i le gaosiga o meaʻai, e masani ona faʻaaogaina mo le taoina o meaʻai, o se vaega talafeagai o le faʻaleleia o paluga.8.Mo su'esu'ega biochemical.Tapena ala fa'aleaganu'u.E fa'aaogaina i su'esu'ega o mea'ai ma mea'ai.I vailaʻau, e mafai ona faʻaleleia le faʻamaʻiina ma le faʻaitiitia o le gaioiga o sela o le tino, faʻateleina sela paʻepaʻe ma puipuia le atinaʻeina o siama pathogenic.E masani ona faʻaaogaina mo alopecia eseese.E fa'aogaina fo'i mo fa'ama'i fa'ama'i fa'ama'i e pei o le ta, taifoi, fulū, sela, neuralgia, eczema ma fa'ama'i 'ona eseese, ma e iai sona sao i le fa'atumauina o fa'apolotini.E fa'aaogaina fo'i e fai ma mea e fa'amalie ai mea'ai.9. Biochemical reagent, faʻaaogaina mo le saunia o le faʻaogaina o aganuu.O se vaega taua foi o le infusion amino acid ma le sauniuniga o le amino acid.10. E pei o le fafagaina o meaʻai faʻaleleia, e faʻaleleia i le atinaʻeina o manu, faʻateleina le mamafa o le tino, ate ma fatugaʻo ma faʻaleleia le lelei o fulufulu.11. E mafai ona faʻaaogaina e fai ma mea faʻapipiʻi teuteu e faʻaleleia ai le faʻamalolo manuʻa, puipuia le allergy paʻu ma togafitia eczema.
