L-Cysteine ​​CAS 52-90-4 (H-Cys-OH) Assay 98.5~101.0% (Titration) Factory Kounga Teitei

Whakaahuatanga Poto:

Ingoa matū: L-Cysteine

Nga kupu taurite: H-Cys-OH;L-Cys;Whakapotohia a Cys, C ranei

CAS: 52-90-4

Whakamātautau: 98.5~101.0% (Titaration)

Te ahua: Tioata ma, Paura Tioata ranei

Te Kaha Whakaputa 5000 Tons ia Tau, Kounga Teitei

Whakapā: Takuta Alvin Huang

Pūkoro/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


Taipitopito Hua

Hua e Pa ana

Tohu Hua

Whakaahuatanga:

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 

Ngā Āhuatanga matū:

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

Mōhiohio Haumaru:

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

Whakatakotoranga:

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

52-90-4 JP17 Paerewa Tohutoro:

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 me te Rokiroki:

Mōkī: Pounamu Fluorinated, 25kg / putea, 25kg / Cardboard Drum, kia rite ki te hiahia a te kaihoko.

Tikanga Rokiroki:Rokiroki i roto i nga ipu hiri ki te whare putunga matao, maroke me te whai hau kia matara atu i nga matū hotokore.Tiaki i te marama me te makuku.He hotokore ki te kaha o te waiora.

Painga:

Rawa Rawa: Rawa rawa nga whakaurunga me nga tohunga hangarau

Ratonga Ngaio: Kotahi te ratonga hoko mutu

Mōkī OEM: Moeke ritenga me te tapanga e waatea ana

Tukunga Tere: Mena kei roto i nga taonga, e toru nga ra ka whakamanahia te tuku

Whakapumau: Kia mau tonu nga taonga e tika ana

Tautoko Hangarau: Kei te waatea te otinga hangarau

Ratonga Hangarau Ritenga: Mai i te karamu ki te kirokaramu

Kounga Teitei: Kua whakaritea he punaha whakapumautanga kounga

FAQ:

Me pehea te hoko?Whakapā maiDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com 

15 tau te wheako?Neke atu i te 15 tau o matou wheako ki te hanga me te kaweake i te whānuitanga o nga momo takawaenga rongoa kounga teitei, matū pai ranei.

Nga maakete matua?Hokona ki te maakete kaainga, Amerika Te Tai Tokerau, Uropi, Inia, Korea, Hapani, Ahitereiria, aha atu.

Nga painga?Ko te kounga teitei, te utu utu, nga ratonga ngaio me te tautoko hangarau, te tuku tere.

KoungaWhakapumautanga?Pūnaha whakahaere kounga tino.Ko nga taputapu ngaio mo te tātari ko te NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.

Tauira?Ko te nuinga o nga hua e whakarato ana i nga tauira kore utu mo te aromatawai kounga, me utu nga utu kaipuke e nga kaihoko.

Te arotake a wheketere?Nau mai te arotake wheketere.Whakaritea he hui i mua.

MOQ?Kaore he MOQ.Ka whakaaetia te ota iti.

Wā Tukunga? Mena kei roto i nga taonga, e toru nga ra ka whakamanahia te tuku.

Te kawe waka?Ma te Express (FedEx, DHL), ma te Air, ma te Moana.

Tuhinga?I muri i te ratonga hokohoko: COA, MOA, ROS, MSDS, me etahi atu ka taea te whakarato.

Whakaritenga Whakaritenga?Ka taea te whakarato ratonga whakahiato ritenga kia pai ai to hiahia rangahau.

Nga tikanga utu?Ko te nama Proforma ka tukuna tuatahi i muri i te whakapumautanga o te ota, ka kohia o maatau korero peeke.Te utu ma te T/T (Telex Transfer), PayPal, Western Union, etc.

Taupānga:

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.

Tuhia to korero ki konei ka tukuna mai ki a matou