L-Cysteine CAS 52-90-4 (H-Cys-OH) Agbeyewo 98.5 ~ 101.0% (Titration) Ile-iṣẹ Didara to gaju
Shanghai Ruifu Kemikali Co., Ltd jẹ olupilẹṣẹ asiwaju ati olupese ti L-Cysteine (H-Cys-OH; L-Cys; Abbreviated Cys or C) (CAS: 52-90-4) pẹlu didara giga, agbara iṣelọpọ 5000 Toonu fun odun.Kemikali Ruifu n pese lẹsẹsẹ ti awọn itọsẹ amino acids.A le pese COA, ifijiṣẹ agbaye, kekere ati titobi pupọ ti o wa.Ti o ba nifẹ si L-Cysteine ,Please contact: alvin@ruifuchem.com
| Orukọ Kemikali | L-Cysteine |
| Awọn itumọ ọrọ sisọ | H-Cys-OH;L-Cys;Kukuru Cys tabi C;L- (+) -Cysteine ;L-Cysteine, Ipilẹ Ọfẹ;Laevo-Cysteine;(R) -2-Amino-3-Mercaptopropionic Acid;L-2-Amino-3-Mercaptopropionic Acid;alpha-Amino-beta-Mercaptopropionicacid;alpha-Amino-beta-Thiolpropionic Acid;(R) - cysteine;Idaji-cystine |
| Iṣura Ipo | Ninu Iṣura, Agbara iṣelọpọ 5000 Toonu fun Ọdun |
| Nọmba CAS | 52-90-4 |
| Fọọmu Molecular | C3H7NO2S |
| Òṣuwọn Molikula | 121.15 |
| Ojuami Iyo | 220 ℃ |
| Ojuami farabale | 293,9 ± 35,0 ℃ |
| iwuwo | 1.197 |
| Ni imọlara | Air Sensitive, Light kókó |
| Omi Solubility | Tiotuka ninu Omi, 160 g/l 20℃, O fẹrẹ to akoyawo |
| Solubility | Tiotuka pupọ ni Ọtí.Insoluble ni Acetone, Ether, Benzene |
| Ibi ipamọ otutu. | Ididi ni Gbẹ, Itaja ni Yara otutu |
| COA & MSDS | Wa |
| Iyasọtọ | Amino Acid awọn itọsẹ |
| Brand | Ruifu Kemikali |
| Awọn koodu ewu | Xn,Xi | RTECS | HA1600000 |
| Awọn Gbólóhùn Ewu | 22-36/37/38-20/21/22 | F | 10-23 |
| Awọn Gbólóhùn Aabo | 36-37/39-26-24/25 | TSCA | Bẹẹni |
| WGK Germany | 3 | HS koodu | 2937900010 |
| Awọn nkan | Ayewo Standards | Esi |
| Ifarahan | Awọn kirisita funfun tabi Crystalline Powder | Ni ibamu |
| Idanimọ | Gbigba infurarẹẹdi | Ni ibamu |
| Yiyi pato [α] 20/D | +8.3° si +9.5°(C=8,1N HCl) | +8,7° |
| Gbigbe | ≥95.0% | 98.5% |
| Kloride (Cl) | ≤0.040% | <0.040% |
| Sulfate (SO4) | ≤0.030% | <0.030% |
| 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 | Pade Ibeere naa | Ni ibamu |
| Pipadanu lori Gbigbe | ≤0.50% | 0.15% |
| Aloku lori Iginisonu | ≤0.10% | 0.06% |
| Ayẹwo | 98.5 ~ 101.0% (Titration: Anhydrous Basis) | 99.8% |
| Idanwo pH | 4.5 ~ 5.5 | 5.1 |
| Ipari | Accords with the Standard of AJI97;USP;JP | |
| Igbesi aye selifu | Awọn oṣu 24 Lati Ọjọ iṣelọpọ ti o ba wa ni ipamọ daradara | |
| Awọn Lilo akọkọ | Amino acids;Awọn afikun Ounjẹ;Awọn oogun oogun;Awọn ile-iṣẹ ohun ikunra | |
L-Cysteine ni ko kere ju 98.5% ati pe ko ju 101.0% ti L-Cysteine (C3H7NO2S), ṣe iṣiro lori ipilẹ ti o gbẹ.
Apejuwe L-Cysteine waye bi awọn kirisita funfun tabi lulú kirisita funfun kan.O ni oorun ti iwa ati itọwo pungent.O jẹ tiotuka larọwọto ninu omi, ati pe a ko le yanju ni iṣe ti ethanol (99.5).O tuka ni 1 mol/L hydrochloric acid TS.
Idanimọ Ṣe ipinnu irisi gbigba infurarẹẹdi ti L-Cysteine gẹgẹ bi a ti ṣe itọsọna ni ọna disiki bromide potasiomu labẹ Infurarẹẹdi Spectrophotometry <2.25>, ki o ṣe afiwe spekitiriumu pẹlu Spectrum Itọkasi: mejeeji spectra ṣe afihan awọn agbara gbigba kanna ni awọn nọmba igbi kanna.
Yiyi opitika <2.49> [a] 20D:+8.0 ~+10.0° (2 g ti a ṣe iṣiro lori ipilẹ gbigbẹ, 1 mol/L hydrochloric acid TS, 25mL, 100 mm).
pH <2.54> pH ti ojutu ti a pese sile nipasẹ itu 1.25 g ti L-Cysteine ni 50 milimita ti omi jẹ 4.7 si 5.7.
Mimo (1) Mimọ ati awọ ti ojutu-tu 1.0 g L-Cysteine ni 20 milimita ti omi: ojutu jẹ kedere ati laisi awọ.
(2) Chloride <1.03>-tu 0.30 g L-Cysteine ninu 10mL ti nitric acid fomi (1 ni 4), fi 10mL ti hydrogenperoxide (30), ooru fun iṣẹju 20 ni iwẹ omi farabale, tutu, lẹhinna fi kun. omi lati ṣe 50 milimita.Ṣe idanwo naa ni lilo ojutu yii bi ojutu idanwo.Mura ojutu iṣakoso pẹlu 0.35 milimita ti 0.01 mol/L hydrochloric acid VS (kii ṣe ju 0.041%)
(3) Sulfate <1.14> - Tu 0.6 g L-Cysteine ninu 30 milimita omi ati 3 milimita ti dilute hydrochloric acid, ki o si fi omi kun lati ṣe 50 milimita.Ṣe idanwo naa ni lilo ojutu yii bi ojutu idanwo.Mura ojutu iṣakoso bi atẹle: Si 0.35 mL ti 0.005 mol/L sulfuric acid VS fi 3 mL ti dilute hydrochloric acid ati omi lati ṣe 50 milimita.Mura ojutu idanwo ati ojutu iṣakoso pẹlu 4 milimita ti barium kiloraidi TS, ni atele (kii ṣe ju 0.028%).
(4) Ammonium <1.02> -Ṣe idanwo naa pẹlu 0.25 g ti L-Cysteine , lilo distillation labẹ titẹ dinku.Mura ojutu iṣakoso pẹlu 5.0 milimita ti Solusan Ammonium Standard (kii ṣe ju 0.02%).
(5) Awọn irin Heavy <1.07>-Tẹsiwaju pẹlu 1.0g ti L-Cysteine ni ibamu si Ọna 4, ki o si ṣe idanwo naa. Ṣetan ojutu iṣakoso pẹlu 1.0 mL ti Standard Lead Solution (kii ṣe ju 10 ppm).
(6) Iron <1.10>-Mura ojutu idanwo pẹlu 1.0 g ti L-Cysteine ni ibamu si Ọna 1, ki o si ṣe idanwo naa gẹgẹbi Ọna A. Mura ojutu iṣakoso pẹlu 1.0mL ti Standard Iron Solution (kii ṣe ju 10 ppm). ).
(7) Awọn nkan ti o jọmọ-tu 0.10 g L-Cysteine ni ojutu N-ethylmaleimide (1 ni 50) lati ṣe deede 10 milimita, fi silẹ fun ọgbọn išẹju 30, ki o lo ojutu yii bi ojutu ayẹwo.Pipet 1 milimita ti ojutu ayẹwo, ṣafikun omi lati ṣe deede 10 milimita, pipet 1 milimita ti ojutu yii, fi omi kun lati ṣe deede 50 milimita, ati lo ojutu yii bi ojutu boṣewa (1).Lọtọ, tu 0.10 g L-cystine ni 0.5mol/L hydrochloric acid TS lati ṣe deede 20 milimita.Pipet 1mL ti ojutu yii, ṣafikun omi lati ṣe 100 milimita, ki o lo ojutu yii bi ojutu boṣewa (2).Ṣe idanwo naa pẹlu awọn solusan wọnyi bi a ti ṣe itọsọna labẹ Tin-Layer Chromatography<2.03>.Aami 10mL ọkọọkan ojutu ayẹwo ati awọn ojutu boṣewa (1) ati (2) lori awo ti gel silica fun chromatography tinrin-Layer.Dagbasoke awo pẹlu adalu 1-butanol, omi, ati acetic acid (100) (3: 1: 1) si ijinna ti o to 10 cm, ki o si gbẹ awo naa fun ọgbọn išẹju 30 ni 809C. Sokiri awo naa ni deede pẹlu ojutu kan. ti ninhydrin ninu adalu methanol ati acetic acid (100) (97: 3) (1 ni 100), ati lẹhinna ooru ni 80 ℃ fun awọn iṣẹju 10: aaye ti o gba lati ojutu ayẹwo ti o baamu si aaye ti o gba lati ojutu boṣewa. (2) ni ko siwaju sii intense ju awọn iranran lati boṣewa ojutu (2).Pẹlupẹlu, awọn aaye miiran yatọ si aaye akọkọ ati awọn aaye ti a mẹnuba loke lati inu ojutu ayẹwo ko ni iwọn diẹ sii ju aaye lati ojuutu boṣewa (1).
Pipadanu lori Gbigbe <2.41> Ko siwaju sii ju 0.50% (1 g, ni igbale, irawọ owurọ (V) oxide, awọn wakati 3).
Aloku lori Iginisonu <2.44> Ko ju 0.1% (1 g).
Ayẹwo Ṣe iwọn deede nipa 0.2 g ti L-Cysteine , gbe e sinu ọpọn ti o da duro, ki o tu ni 20 milimita ti omi.Tu 4 g ti potasiomu iodide ni ojutu yii, lẹsẹkẹsẹ gbe sinu yinyin tutu omi, fi 5 milimita ti dilute hydrochloric acid ati 25 mL gangan ti 0.05 mol / L iodine VS, lọ kuro ni aaye dudu fun awọn iṣẹju 20, lẹhinna titrate <2.50 Iwọn iodine ti o pọju pẹlu 0.1 mol/L sodium thiosulfate VS (itọkasi: sitashi TS).Ṣe ipinnu òfo ni lilo ọna kanna.
Kọọkan milimita ti 0.05 mol/L iodine VS 12.12 mg ti C3H7NO2S
Awọn apoti ati Awọn apoti Ipamọ-Awọn apoti ti o nipọn.
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.Ibamu pẹlu awọn aṣoju oxidizing lagbara.
Bawo ni lati Ra?Jọwọ kan siDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
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L-Cysteine (H-Cys-OH) (CAS: 52-90-4), amino acid ti o wọpọ ni awọn ohun alumọni.L-Cysteine jẹ imi-ọjọ ti o ni amino acid ti ko ṣe pataki.Ti a lo ni akọkọ ni oogun, ounjẹ, ati awọn ile-iṣẹ ohun ikunra, iwadii biokemika, ati bẹbẹ lọ.1. Didara akara;afikun ounjẹ;antioxidant;aabo awọ.O ni ipa detoxification lori aromatic acidosis;o ni ipa ti idilọwọ ibajẹ itanjẹ;o ni ipa ti atọju anm ati idinku phlegm;o ni ipa ti mimu ọti-waini.Gẹgẹbi awọn ilana GB2760-96, o gba ọ laaye lati lo bi turari.2. Ao lo lati toju arun ara bii eczema, urticaria, freckles, ati bẹbẹ lọ Awọn ọja rẹ ti a lo lọpọlọpọ ni oogun, ounjẹ ati awọn ile-iṣẹ ohun ikunra 3. Ti a lo ninu iwadii biokemika, bi oogun oogun fun jedojedo, majele ẹdọ, majele radiopharmaceutical , oloro antimony, ati bẹbẹ lọ ninu oogun.4. Ti a lo ninu akara lati ṣe igbelaruge iṣelọpọ ti giluteni, igbelaruge bakteria, itusilẹ mimu, ati dena ti ogbo.Ti a lo ninu awọn oje adayeba lati ṣe idiwọ ifoyina ti Vitamin C ati ṣe idiwọ oje lati yiyi brown.Ọja yii ni ipa detoxification ati pe o le ṣee lo fun majele ati acidosis aromatic.Ọja yii tun ni ipa ti idilọwọ ibajẹ itanjẹ si ara eniyan.O jẹ tun kan oògùn fun awọn itọju ti anm, paapa bi a phlegm oogun (okeene lo ni awọn fọọmu ti acetyl L-cysteine methyl ester. Ni Kosimetik, o ti wa ni o kun lo ninu ẹwa omi, Perm omi, oorun-ẹri ara ipara, bbl L-Cysteine ti lo bi afikun ninu awọn siga, bakannaa ni igbaradi awọn adun ẹran.
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