L-Cysteine CAS 52-90-4 (H-Cys-OH) Assay 98.5~101.0% (Titration) Factory Kounga Teitei
Ko Shanghai Ruifu Chemical Co., Ltd. te kaihanga matua me te kaiwhakarato o L-Cysteine (H-Cys-OH; L-Cys; Abreviated Cys or C) (CAS: 52-90-4) me te kounga teitei, te kaha whakaputa 5000 Toni ia tau.Ko te Ruifu Chemical e whakarato ana i te raupapa o nga waikawa amino pärönaki.Ka taea e matou te whakarato COA, te tuku i te ao, te iti me te rahinga e waatea ana.Mena kei te pirangi koe ki te L-Cysteine,Please contact: alvin@ruifuchem.com
Ingoa matū | L-Cysteine |
Nga kupu taurite | H-Cys-OH;L-Cys;Whakapoto Cys ranei C;L-(+)-Cysteine;L-Cysteine, Turanga Koreutu;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;Hawhe-cystine |
Tūnga Taonga | I roto i te Stock, Production Raukaha 5000 Tons ia Tau |
Tau CAS | 52-90-4 |
Tātai rāpoi | C3H7NO2S |
Taumaha rāpoi | 121.15 |
Iwi Whakarewa | 220℃ |
Kohuatanga | 293.9±35.0℃ |
Kiato | 1.197 |
Tairongo | Te Hau, Te Maama |
Wairewa wai | Wairewa ki te wai, 160 g/l 20 ℃, Tata Puata |
Wairewa | Tino Wairewa ki te Waipiro.Karekau i te Acetone, Ether, Benzene |
Rokiroki Temp. | He mea hiri ki te maroke, rokiroki i te pāmahana rūma |
COA & MSDS | Kei te waatea |
whakarōpūtanga | Nga Puawai Awakawa Amino |
Waitohu | Ruifu Chemical |
Waehere morearea | Xn,Xi | RTECS | HA1600000 |
Tauākī mōrearea | 22-36/37/38-20/21/22 | F | 10-23 |
Tauākī Haumaru | 36-37/39-26-24/25 | TSCA | Ae |
WGK Tiamana | 3 | Waehere HS | 2937900010 |
Nga taonga | Nga Paerewa Tirotiro | Hua |
Te ahua | Tioata ma, paura Tioata ranei | Ka rite |
Tautuhinga | Te horonga Infrared | Ka rite |
Hurihuri Tau [α]20/D | +8.3° ki te +9.5°(C=8,1N HCl) | +8.7° |
Whakawhitinga | ≥95.0% | 98.5% |
Chloride (Cl) | ≤0.040% | <0.040% |
pūkawa (SO4) | ≤0.030% | <0.030% |
Haukinia (NH4) | ≤0.020% | <0.020% |
Rino (Fe) | ≤10ppm | <10ppm |
Konga Taamaha (Pb) | ≤10ppm | <10ppm |
Arsenic (As2O3) | ≤1.0ppm | <1.0ppm |
Ētahi atu waikawa Amino | Ka tutuki te Whakaritenga | Ka rite |
Ngaronga i te whakamaroke | ≤0.50% | 0.15% |
Te toenga i runga i te mura | ≤0.10% | 0.06% |
Te whakamatautau | 98.5~101.0% (Titaration: Turanga Anhydrous) | 99.8% |
Whakamātautau pH | 4.5~5.5 | 5.1 |
Whakamutunga | E ai ki te Paerewa o AJI97;USP;JP | |
Te Ora Papa | 24 Marama Mai i te Ra Hanganga mena ka penapena tika | |
Nga Whakamahinga Matua | Waikawa Amino;Nga taapiri kai;Nga rongoā;Nga Ahumahi Taonga |
Ko te L-Cysteine kaore i iti iho i te 98.5% me te kore e neke ake i te 101.0% o te L-Cysteine (C3H7NO2S), kua tatauhia i runga i te whakamaroke.
Whakaahuatanga Ka puta te L-Cysteine hei tioata ma, he paura tioata ma ranei.He tino kakara me te reka o te ngau.He memeha noa ki te wai, karekau e rewa ki te waiwaro (99.5).Ka memeha ki te 1 mol/L waikawa pūmāota TS.
Te Tautuhinga Whakatauhia te tuāwhiorangi whakauru infrared o L-Cysteine i runga i te tikanga kopae konupora bromide i raro i te Spectrophotometry Infrared <2.25>, ka whakatairitehia te tuāwhiorangi ki te Spectrum Tohutoro: e whakaatu ana nga tuāwhiorangi e rua i te kaha o te whakaurunga i nga tau ngaru kotahi.
Te hurihanga whatu <2.49> [a]20D:+8.0 ~+10.0° (2 g te tatau i runga i te whakamaroke, 1 mol/L waikawa pūmāota TS, 25mL, 100 mm).
pH <2.54> Ko te pH o te wairewa i mahia ma te whakakore i te 1.25 g o L-Cysteine i roto i te 50 mL wai he 4.7 ki te 5.7.
Maamaa (1) Maama me te tae o te otinga-Whakarewa 1.0 g o te L-Cysteine ki roto i te 20 mL wai: he maamaa te otinga me te kore tae.
(2) Chloride <1.03>-Warekahia te 0.30 g o te L-Cysteine ki roto i te 10mL o te waikawa nitric diluted (1 i roto i te 4), tāpirihia te 10mL hydrogenperoxide (30), whakamahana mo te 20 meneti i roto i te kaukau wai kohua, whakamatao, katahi ka tapiri wai kia 50 mL.Mahia te whakamatautau ma te whakamahi i tenei otinga hei otinga whakamatautau.Whakaritehia te otinga whakahaere me te 0.35 mL o te 0.01 mol/L waikawa pūhaumāota VS (kaua e neke ake i te 0.041%)
(3) Sulfate <1.14>-Whakarewahia te 0.6 g o te L-Cysteine ki te 30 mL o te wai me te 3 mL o te waikawa maatawai waimeha, me te taapiri i te wai kia 50 mL.Mahia te whakamatautau ma te whakamahi i tenei otinga hei otinga whakamatautau.Whakapaia te otinga whakahaere penei: Ki te 0.35 mL o te 0.005 mol/L te waikawa pungatara VS me tapirihia te 3 mL o te waikawa hauwai me te wai kia 50 mL.Whakaritehia te otinga whakamatautau me te otinga whakahaere me te 4 mL o te barium chloride TS, ia (kaua e neke ake i te 0.028%).
(4) Ammonium <1.02>-Mahia te whakamatautau me te 0.25 g o te L-Cysteine, ma te whakamahi i te whakakore i raro i te pehanga iti.Whakapaia te otinga mana me te 5.0 mL o te Waihanga Haukini Paerewa (kaua e neke ake i te 0.02%).
(5) Metals taumaha <1.07>-Haere ki te 1.0g o te L-Cysteine kia rite ki te Tikanga 4, ka mahi i te whakamatautau.Whakaritea te otinga whakahaere me te 1.0 mL o te Waitohu Paerewa Paerewa (kaua e neke ake i te 10 ppm).
(6) Rino <1.10>-Whakaritea te otinga whakamatautau me te 1.0 g o te L-Cysteine i runga i te Tikanga 1, ka mahi i te whakamatautau kia rite ki te Tikanga A. Whakaritea te otinga whakahaere me te 1.0mL o te Waahanga Rino Paerewa (kaua e neke ake i te 10 ppm ).
(7)Matū Paa-Whakarewa 0.10 g L-Cysteine ki te otinga N-ethylmaleimide (1 i roto i te 50) kia rite te 10 mL, waiho mo te 30 meneti, ka whakamahi i tenei otinga hei tauira otinga.Pipet 1 mL o te tauira otinga, tapirihia he wai kia rite ki te 10 mL, paipa 1 mL o tenei wairewa, tapirihia he wai kia rite ki te 50 mL, ka whakamahi i tenei otinga hei otinga paerewa (1).Ka wehea te 0.10 g o te L-cystine ki te 0.5mol/L waikawa pūmāota TS kia rite te 20 mL.Pipeto 1mL o tenei wairewa, tapirihia he wai kia 100 mL, ka whakamahi i tenei otinga hei otinga paerewa (2).Mahia te whakamatautau me enei otinga i runga i te tohutohu i raro i te Thin-layer Chromatography<2.03>.Tuhia te 10mL o ia tauira otinga me nga otinga paerewa (1) me te (2) ki runga i te pereti kirikiri mo te chromatography paparanga angiangi.Whakawhanakehia te pereti me te ranunga o te 1-butanol, te wai, me te waikawa acetic (100) (3:1:1) kia tata ki te 10 cm te tawhiti, ka whakamarokehia te pereti mo te 30 meneti i te 809C. Mapuhia te pereti kia taurite ki te otinga. o te ninhydrin i roto i te ranunga o te methanol me te waikawa acetic (100) (97:3) (1 i roto i te 100), ka whakamahana i te 80 ℃ mo te 10 meneti: ko te waahi ka puta mai i te tauira otinga e rite ana ki te waahi i puta mai i te otinga paerewa. (2) kaore i te kaha ake i te waahi mai i te otinga paerewa (2).Ano, ko nga waahi i tua atu i te waahi matua me nga waahi kua whakahuahia i runga ake nei mai i te tauira otinga kaore i te kaha ake i te waahi mai i te otinga paerewa (1).
Ngaronga i te whakamaroke <2.41> Kaua e neke ake i te 0.50% (1 g, i te korehau, te ūkuikui (V) waikura, 3 haora).
Te toenga i runga i te mura <2.44> Kaua e neke ake i te 0.1%(1 g).
Whakamaatau Kia tika te pauna i te 0.2 karae o te L-Cysteine, tuu ki roto i te ipu kua tutakina, ka memeha ki te 20 mL wai.Whakarewahia te 4 g o te pāhare pāporo iodide i roto i tēnei otinga, hoatu tonu ki roto i te wai tio makariri, tāpirihia te 5 mL o te waikawa pūmāota waimeha me te 25 mL o te 0.05 mol/L iodine VS, waiho ki te wahi pouri mo te 20 meneti, katahi ka titrate<2.50 >he nui rawa o te iodine me te 0.1 mol/L konutai thiosulfate VS (tohu: māngaro TS).Whakaritea he whakatau patea ma te whakamahi i taua tikanga.
Ia mL o te 0.05 mol/L iodine VS=12.12 mg o C3H7NO2S
Ipu me nga ipu Pupuri-Mata.
Mōkī: Pounamu Fluorinated, 25kg / putea, 25kg / Cardboard Drum, kia rite ki te hiahia a te kaihoko.
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Me pehea te hoko?Whakapā maiDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
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L-Cysteine (H-Cys-OH) (CAS: 52-90-4), he waikawa amino noa i roto i nga rauropi.Ko te L-Cysteine he waikawa amino kore-tino whai whanariki kei roto.Te nuinga whakamahia i roto i te rongoa, kai, me nga ahumahi whakapaipai, rangahau biochemical, etc.1. Whakapai taro;tāpiringa kai;antioxidant;parenga tae.He awenga detoxification i runga i te waikawa aromatic;kei a ia te painga o te aukati i te kino o te radiation;he painga ki te rongoa i te bronchitis me te whakaiti i te phlegm;he painga o te tango waipiro.E ai ki nga ture o GB2760-96, ka whakaaetia kia whakamahia hei hinu kakara.2. Ka whakamahia ki te rongoa i nga mate kiri penei i te eczema, urticaria, freckles. , antimony poisoning, etc i roto i te rongoa.4. Ka whakamahia i roto i te taro hei whakatairanga i te hanganga o te gluten, te whakatairanga i te FERMENTATION, te tuku pokepokea ai, me te aukati i te koroheketanga.Ka whakamahia i roto i nga wai maori hei aukati i te waiora o te huaora C me te aukati i te wai kia parauri.Ko tenei hua he mana whakaheke ka taea te whakamahi mo te paihana me te waikawa kakara.Ko tenei hua ano te painga o te aukati i te kino o te radiation ki te tinana o te tangata.He rongoa ano mo te maimoatanga o te bronchitis, ina koa he rongoa phlegm (te nuinga ka whakamahia i roto i te ahua o te acetyl L-cysteine methyl ester. I roto i nga mea whakapaipai, ka whakamahia te nuinga ki te wai ataahua, te wai Perm, te kirikiri kiri-ra, me etahi atu. Ka whakamahia te L-Cysteine hei taapiri i roto i te hikareti, tae atu ki te whakareri kai.