L-Cystine CAS 56-89-3 (H-Cys-OH)2 Assay 98.5~101.0% (Titration) Hale Hana Mea Kiʻekiʻe
ʻO Shanghai Ruifu Chemical Co., Ltd. ka mea hana nui a me ka mea hoʻolako o L-Cystine, (H-Cys-OH)2, (CAS: 56-89-3) me ke kūlana kiʻekiʻe.E like me kekahi o nā mea hoʻolako amino acids nui loa ma Kina, hana ʻo Ruifu Chemical i nā waikawa amino kūpono a me nā derivatives a hiki i nā kūlana honua, e like me AJI, USP, EP, a me FCC maʻamau.Hiki iā mākou ke hāʻawi i ka hāʻawi honua, nā mea liʻiliʻi a me ka nui i loaʻa.E kūʻai aku iā L-Cystine, E ʻoluʻolu e kelepona iā:alvin@ruifuchem.com
Inoa Kimia | L-Cystine |
Nā huaʻōlelo like | L-(-)-Cystine;(H-Cys-OH)2;Laevo-Cystine;(-)-Cystine;(-)-3,3'-Dithiobis(2-Aminopropanoic Acid);3,3'-Dithiobis-L-Alanine |
Kūlana Kūʻai | I loko o ka waihona, hana hiki ke 2000 tona no ka makahiki |
Helu CAS | 56-89-3 |
ʻĀpana Molekala | C6H12N2O4S2 |
Kaumaha Molecular | 240.29 |
Lae hehee | >240 ℃(Dek.) (māmā) |
Lae paila | 468.2±45.0℃ |
ʻO ka mānoanoa | 1.68 |
Ka hikiwawe | ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai, Ethanol a me Etera.Hoʻoheheʻe ʻia i loko o ka Dilute Hydrochloric Acid |
Solubility i loko o ka HCl | ʻAneʻane Mākaʻikaʻi |
Waihona Temp. | Hoʻopaʻa ʻia i loko o kahi maloʻo, hale kūʻai ma ka lumi wela |
COA & MSDS | Loaʻa |
Hoʻokaʻawale | Nā ʻakika Amino a me nā mea i loaʻa |
Brand | Kemika Ruifu |
Nā Code Hazard | Xi,Xn | RTECS | HA2690000 |
Nā ʻŌlelo Hoʻopilikia | 36/37/38-22 | Nānā Hazard | Hoʻonanea |
Nā ʻōlelo palekana | 26-36-24/25 | TSCA | ʻAe |
RIDADR | 2811 | Hui Pūʻulu | III |
WGK Kelemānia | 3 | HS Code | 2930901000 |
Nā mea | Nā Kūlana Nānā | Nā hualoaʻa |
Ka nana aku | Na Krista Keʻokeʻo a i ʻole ka pauda Crystalline, ʻono ʻole | Kūlike |
ʻIkepili | Infrared Absorption Spectrum | Kūlike |
Ka Po'ai Pono [α]20/D | -218.0° a i -224.0°(C=2, 1N HCl) | -218.6° |
Mokuʻāina o ka hoʻonā (Ka lawe ʻana) | Akaka a kala ʻole ≥98.0% | 98.5% |
Klorida (Cl) | ≤0.020% | <0.020% |
Sulfat (SO4) | ≤0.020% | <0.020% |
Ammonium (NH4) | ≤0.020% | <0.020% |
Hao (Fe) | ≤10ppm | <10ppm |
Nā Metala Kaumaha (Pb) | ≤10ppm | <10ppm |
Arsenic (As2O3) | ≤1.0ppm | <1.0ppm |
Nā ʻAmino ʻē aʻe | ʻAʻole hiki ke ʻike ʻia i ka Chromatographically | Kūlike |
Nalo ma ka maloo | ≤0.20% | 0.10% |
Koena ma ka Ignition | ≤0.10% | 0.04% |
Hoʻāʻo | 98.5 a 101.0% (Titration: Anhydrous Basis) | 99.8% |
Hōʻike pH | 5.0 a 6.5 | 5.6 |
Ke kumu | Puna holoholona ʻole | Kūlike |
Nā mea hoʻoheheʻe koena | Kūlike | Kūlike |
Ka hopena | E like me ke kūlana o AJI92;USP37 | |
Ola Pahu | 24 mau mahina mai ka lā hana inā mālama pono ʻia | |
Nā mea hoʻohana nui | Nā ʻAmina Amino;Mea Hoʻohui Meaʻai;Nā Kūwaena Lapaʻau |
Pūʻolo: ʻO ka ʻōmole Fluorinated, 25kg / ʻeke, 25kg / pahu pahu pahu, a i ʻole e like me ka makemake o ka mea kūʻai aku.
Kūlana mālama:E kūʻai i loko o nā pahu i hoʻopaʻa ʻia ma kahi hale kūʻai maloʻo, maloʻo a me ka ea mai nā mea like ʻole.E pale i ka malamalama a me ka wai.
HOAKAKA
Loaʻa i ka Cystine ka NLT 98.5% a me ka NMT 101.5% o C6H12N2O4S2, e like me L-Cystine, i helu ʻia ma ke kumu maloʻo.
IKE
A. KA PALAPALA INFRARED <197K>
B. OPTICAL ROTATION, Ho'ololi kiko'ī <781S>: -215 a -225, ho'oholo 'ia ma 20°
Laʻana hoʻonā: 20 mg/mL, i ka 1 N hydrochloric acid
C. ʻO ka waiwai RF o ke kumu nui o ka Sample solution i ka hoʻāʻo ʻana no nā Organic Impurities e pili ana i ka hopena maʻamau.
HANA
HANA
Laʻana hoʻonā: E hoʻololi ma kahi o 0.1 g o Cystine i loko o ka ipu aniani i pani ʻia, a hoʻoheheʻe ʻia i loko o ka hui ʻana o 2 mL o ka sodium hydroxide dilute (1 i ka 20) a me 10 mL o ka wai.E hoʻohui i 10 mL o ka solution potassium bromide (200 g/L i ka wai), 50.0 mL o 0.1 N potassium bromate VS, a me 15 mL o ka waika hydrochloric dilute (17 i ka 100).
E hoʻokomo koke i ka pahu i loko o ka ipu, a hoʻolili i loko o kahi ʻauʻau wai hau.E ʻae i ka pale ʻana mai ka mālamalama no 10 min.
Pūnaehana Titrimetric
(E nānā i ka Titrimetry <541>)
Ke ano: Koe titration
Titrant: 0.1 N potassium bromate VS
Back-titrant: 0.1 N sodium thiosulfate VS
ʻIke hope: Colorimetric
Kaulike: ʻO kēlā me kēia mL o 0.1 N potassium bromate VS ua like ia me 2.403 mg o C6H12N2O4S2 ma ke kumu maloʻo.
Nānā: E hoʻohui i 1.5 g o ka potassium iodide, a ma hope o 1 min, e hoʻohālikelike me 0.1 N sodium thiosulfate VS, me ka hoʻohana ʻana i ka starch TS ma ke ʻano he hōʻailona.Hana i kahi hoʻoholo hakahaka, a hana i nā hoʻoponopono e pono ai.
Nā pae hoʻoholo: 98.5% ~ 101.5% ma ke kumu maloʻo
NA mea haumia
Nā mea haumia ʻole
KOE MA KA HANA <281>: NMT 0.1%
KLORIDA A ME SULFATE, Klorida <221>: NMT 200 ppm.ʻAʻole ʻoi aku ka nui o ka chloride ma mua o ka 0.40 mL o ka 0.01 N hydrochloric acid.
KLORIDA A ME SULFATE, Sulfate <221> NMT 200 ppm.ʻAʻole hōʻike ʻia kahi ʻāpana 1.2-g i ka sulfate ma mua o 0.25 mL o 0.020 N sulfuric acid.
HAAWINA <241>: NMT 10ppm
NA METAL HEAVY, Hana I <231>: NMT 10ppm
Nā mea haumia kino
HANA
Haʻina maʻamau: E hoʻoheheʻe i ka nui o USP Cystine RS i loko o ka 1 N hydrochloric acid, a e hoʻoheheʻe me ka wai e loaʻa ai ka hopena i ʻike ʻia ma kahi o 0.02 mg/mL.
Laʻana hoʻonā: E hoʻoheheʻe i ka nui o Cystine i loko o ka 1 N hydrochloric acid, a hoʻoheheʻe ʻia me ka wai e loaʻa ai kahi hopena i ʻike ʻia ma kahi o 10 mg/mL.
ʻO ka hopena kūpono o ka ʻōnaehana: E hoʻoheheʻe i nā nui o USP Cystine RS a me USP Arginine Hydrochloride RS i loko o 1 N hydrochloric acid, a hoʻoheheʻe ʻia me ka wai e loaʻa ai kahi hopena i ʻike ʻia ma kahi o 0.4 mg/mL kēlā me kēia.
Pūnaehana Chromatographic (E nānā i ka Chromatography <621>, Thin-Layer Chromatography.)
Ke ano: TLC
Adsorbent: 0.25-mm papa o ka huila silica gel chromatographic
Nui noi: 5μL
Ke hoʻomohala nei i ka ʻōnaehana solvent: He hui ʻana o ka ammonia a me 2-propanol (3:7)
Pahu mea hoʻoponopono: E hoʻoheheʻe i 0.2 g ninhydrin i 100 mL o ka hui ʻana o ka butanol a me ka 2 N acetic acid (95:5).
Kānāwai
Nā Laʻana: Haʻina maʻamau, Haʻina laʻana, a me ka ʻōnaehana kūpono
E hoʻomau e like me ke kuhikuhi ʻia no Chromatography <621>, Thin-Layer Chromatography.Ma hope o ka hoʻomaloʻo ʻana i ka ea, e kāpī me ka Spray reagent, a wela ma waena o 100 ° a me 105 ° no 15 min.E nānā i ka pā.Hōʻike ka chromatogram mai ka ʻōnaehana kūpono kūpono i ʻelua mau wahi kaʻawale.
Paʻa ʻae ʻia: ʻAʻole ʻoi aku ka nui a ʻoi aku ka ikaika o nā wahi lua mai ka hopena laʻana ma mua o ka wahi nui o ka solution Standard.
Nā haumia o kēlā me kēia kanaka: NMT 0.2%
Huina haumia: NMT 2.0%
NA HOAO KUAI
LOSSON ON DRYING <731>: Hoʻomaloʻo i kahi hāpana ma 105 ℃ no 3 mau hola: nalowale NMT 0.2% o kona kaumaha.
NA KOI HOU
PACKAGING a me ka mālama ʻana: mālama ʻia i loko o nā pahu paʻa maikaʻi, a mālama ʻia ma kahi mahana wela.
USP REFERENCE STANDARD <11>
USP Arginine Hydrochloride RS
USP Cystine RS
Pehea e kūʻai ai?E ʻoluʻolu e kelepona maiDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
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ʻO L-Cystine, (H-Cys-OH)2, (CAS: 56-89-3) he waikawa amino i loaʻa i ka sulfur.1. Loaʻa i ka L-Cysteine kahi detoxification maikaʻi.2. Hiki i ka L-Cysteine ke pale a mālama pono i ka ʻeha radiation.3. Hiki i ka LCysteine ke wehe i ka melanin ʻili ponoʻī, hoʻololi i ke ʻano o ka ʻili ponoʻī, lilo ka ʻili i keʻokeʻo maoli.He ʻano mea hoʻonaninani keʻokeʻo kūlohelohe kūpono.4. Hiki i ka L-Cysteine ke hoʻomaikaʻi i nā hōʻailona o ka mumū a me ka ʻili ʻili.5. ʻO L-Cysteine ma ka maʻi ʻili horny kekahi hypertrophy maikaʻi.6. He hana ko L-Cysteine e pale ai i ka ʻelemakule olaola.7. ʻO ka Cysteine kahi ʻano amino acid maoli, he nui nā hoʻohana i ka hana ʻana i ka meaʻai, hoʻohana nui ʻia ia no ka hana ʻana i nā huahana, ma ke ʻano he mea pono o ka hoʻomaikaʻi ʻana i ka palaoa.8.No ka noiʻi biochemical.E hoʻomākaukau i ka moʻomeheu olaola.Hoʻohana ʻia ia i ka noiʻi biochemistry a me ka meaʻai.I loko o ka lāʻau lapaʻau, hiki iā ia ke hoʻoikaika i ka hana oxidation a me ka hoʻohaʻahaʻa ʻana i nā ʻāpana kino, hoʻonui i nā keʻokeʻo keʻokeʻo a pale i ka hoʻomohala ʻana o nā bacteria pathogenic.Hoʻohana nui ʻia ia no nā ʻano alopecia.Hoʻohana ʻia ia no nā maʻi maʻi maʻi e like me ka dysentery, typhoid, influenza, asthma, neuralgia, eczema a me nā maʻi ʻawaʻawa like ʻole, a he hana i ka mālama ʻana i ka hoʻonohonoho protein.Hoʻohana ʻia ʻo ia ma ke ʻano he mea ʻono meaʻai.9. Biochemical reagent, hoʻohana ʻia no ka hoʻomākaukau ʻana i ke ʻano moʻomeheu biological.He mea koʻikoʻi ia o ka infusion amino acid a me ka hoʻomākaukau ʻana i ka amino acid.10. Ma ke ʻano he mea hoʻonui i ka meaʻai meaʻai, kūpono ia i ka ulu ʻana o nā holoholona, e hoʻonui i ke kaumaha o ke kino, ka ate a me ka hana puʻupaʻa a hoʻomaikaʻi i ka maikaʻi o ka hulu.11. Hiki ke hoʻohana ʻia e like me ka mea hoʻohui hoʻonaninani e paipai i ka hoʻōla ʻana i ka ʻeha, pale i ka ʻili allergy a mālama i ka eczema.