DL-Cysteine CAS 3374-22-9 Assay 98.0 ~ 102.0%
Shanghai Ruifu Chemical Co., Ltd jẹ olupilẹṣẹ asiwaju ati olupese ti DL-Cysteine (H-DL-Cys-OH) (CAS: 3374-22-9) pẹlu didara to gaju, agbara iṣelọpọ 500 Tons fun ọdun kan.Kemikali Ruifu n pese lẹsẹsẹ awọn amino acids ati awọn itọsẹ.A le pese COA, ifijiṣẹ agbaye, kekere ati titobi pupọ ti o wa.Ti o ba nifẹ si DL-Cysteine ,Please contact: alvin@ruifuchem.com
Orukọ Kemikali | DL-Cysteine |
Awọn itumọ ọrọ sisọ | H-DL-Cys-OH;DL-Cys;Cysteine ;(+/-) - cysteine;(±) -2-Amino-3-Mercaptopropionic Acid;DL-2-Amino-3-Mercaptoropanoic Acid;DL-2-Amino-3-Mercaptopropionic Acid;(R,S)-2-Amino-3-Mercaptopropionic Acid |
Iṣura Ipo | Ninu Iṣura, Agbara iṣelọpọ 500 Toonu fun Ọdun |
Nọmba CAS | 3374-22-9 |
Fọọmu Molecular | C3H7NO2S |
Òṣuwọn Molikula | 121.16 |
Ojuami Iyo | 225 ℃ (oṣu kejila) (tan.) |
Ojuami farabale | 293,9 ± 35,0 ℃ |
Ni imọlara | Imọlẹ Imọlẹ;Ọrinrin Sensitive;Afẹfẹ Ifamọ |
Solubility | Soluble ninu Omi (Apakan), 1 N HCl (25 mg/ml), Ethanol, ati Acetic Acid.Ailopin ninu acetone |
Iduroṣinṣin | Idurosinsin.Ibamu Pẹlu Awọn Aṣoju Oxidizing Alagbara |
Ibi ipamọ otutu. | Ididi ni Gbẹ, Itaja ni Yara otutu |
COA & MSDS | Wa |
Iyasọtọ | Amino Acids & Awọn itọsẹ |
Brand | Ruifu Kemikali |
Awọn nkan | Ayewo Standards | Esi |
Ifarahan | Awọn kirisita funfun tabi Crystalline Powder | Ni ibamu |
Idanimọ | Infurarẹẹdi Absorption julọ.Oniranran | Ni ibamu |
Yiyi pato [α] 20/D | -1.0° si +1.0°(C=8, 1 N HCl) | 0° |
Ipo Solusan (Gbigbepo) | Ko o ati Alailowaya ≥95.0% | 96.1% |
Kloride (Cl) | ≤0.100% | <0.100% |
Irin (Fe) | ≤5ppm | <5ppm |
Awọn Irin Eru (Pb) | ≤10ppm | <10ppm |
Arsenic (As2O3) | ≤1.0ppm | <1.0ppm |
Awọn amino acids miiran | ≤2.00% | Ni ibamu |
Pipadanu lori Gbigbe | ≤0.20% | 0.12% |
Ajẹkù lori Iginisonu (Sulfated) | ≤0.10% | 0.05% |
Ayẹwo | 98.0 ~ 102.0% | 99.9% |
Ipari | Ọja yii nipasẹ Awọn ibamu Ayẹwo pẹlu Iwọn AJI97 | |
Awọn Lilo akọkọ | Amino acids;Awọn afikun Ounjẹ;elegbogi Intermediates |
DL-Cysteine (CAS: 3374-22-9) Ọna Idanwo AJI 97
Idanimọ: Ṣe afiwe irisi gbigba infurarẹẹdi ti ayẹwo pẹlu ti boṣewa nipasẹ ọna disiki bromide potasiomu.
Ipo Solusan (Igbejade): 0.5g ni 50ml ti H2O, spectrophotometer, 430nm, 10mm cell sisanra.
Chloride (Cl): 0.14g, A-5, atunṣe: 0.40ml ti 0.01mol/L HCl
Iron (Fe): 0.6g, Ref: 0.3ml of Iron Std.(0.01mg/ml)
Awọn irin Eru (Pb): 2.0g, (1), atunṣe: 2.0ml ti Pb Std.(0.01mg/ml)
Arsenic (As2O3): 2.0g, (1), atunṣe: 2.0ml ti As2O3 Std.
Awọn Amino Acids miiran: Ayẹwo Idanwo: 10μg, A-2-a, iṣakoso;L-Cystine 0.2μg
Pipadanu lori Gbigbe: Ni igbale, ni iwọn otutu yara fun wakati mẹta.
Ajẹkù lori Ignition (Sulfated): Idanwo AJI 13
Ayẹwo: Ayẹwo ti o gbẹ, 250mg, 0.05mol/L I2 1ml=12.116mg C3H7NO2S
Awọn amino acids miiran:
Tu 200mg ti ayẹwo ni 2% N-ethyl-maleimide aqueous ojutu lati ṣe 100ml ti ojutu idanwo.Tu 40mg ti L-Cystine ni iwọn kekere ti 2mol/L HCl ati fi omi kun lati ṣe ojutu 100ml.
Di 10ml ti ojutu ni deede ninu omi lati ṣe 100ml ti ojutu boṣewa.Gba laaye lati duro fun ọgbọn išẹju 30 lẹhinna tẹsiwaju bi a ti ṣe itọsọna fun ilana labẹ AJI TEST 9.
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.
Bawo ni lati Ra?Jọwọ kan siDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Ọdun Iriri?A ni diẹ sii ju ọdun 15 ti iriri ni iṣelọpọ ati okeere ti ọpọlọpọ awọn agbedemeji elegbogi didara tabi awọn kemikali to dara.
Awọn ọja akọkọ?Ta si ọja ile, North America, Europe, India, Korea, Japanese, Australia, ati be be lo.
Awọn anfani?Didara to gaju, idiyele ifarada, awọn iṣẹ alamọdaju ati atilẹyin imọ-ẹrọ, ifijiṣẹ yarayara.
DidaraIdaniloju?Eto iṣakoso didara to muna.Awọn ohun elo ọjọgbọn fun itupalẹ pẹlu NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, bbl
Awọn apẹẹrẹ?Pupọ awọn ọja pese awọn apẹẹrẹ ọfẹ fun igbelewọn didara, idiyele gbigbe yẹ ki o san nipasẹ awọn alabara.
Ayẹwo ile-iṣẹ?Ayẹwo ile-iṣẹ kaabo.Jọwọ ṣe ipinnu lati pade ni ilosiwaju.
MOQ?Ko si MOQ.Ibere kekere jẹ itẹwọgba.
Akoko Ifijiṣẹ? Ti o ba wa laarin ọja iṣura, iṣeduro ifijiṣẹ ọjọ mẹta.
Gbigbe?Nipa Express (FedEx, DHL), nipasẹ Air, nipasẹ Okun.
Awọn iwe aṣẹ?Lẹhin iṣẹ tita: COA, MOA, ROS, MSDS, ati bẹbẹ lọ ni a le pese.
Aṣa Synthesis?Le pese awọn iṣẹ iṣelọpọ aṣa lati baamu awọn iwulo iwadii rẹ dara julọ.
Awọn ofin sisan?Iwe risiti Proforma yoo firanṣẹ ni akọkọ lẹhin ijẹrisi aṣẹ, ti ifi alaye banki wa sinu.Isanwo nipasẹ T/T (Telex Gbigbe), PayPal, Western Union, ati bẹbẹ lọ.
3374-22-9 - Ewu ati Abo
Awọn koodu ewu Xn,Xi,C
Awọn koodu ewu
R20/21/22 - Ipalara nipasẹ ifasimu, ni olubasọrọ pẹlu awọ ara ati ti o ba gbe.
R36 / 37/38 - Irritating si oju, eto atẹgun ati awọ ara.
R22 - ipalara ti o ba gbe
R35 - O fa awọn gbigbona nla
Apejuwe Abo
S26 - Ni ọran ti olubasọrọ pẹlu awọn oju, fi omi ṣan lẹsẹkẹsẹ pẹlu ọpọlọpọ omi ki o wa imọran iṣoogun.
S36 - Wọ aṣọ aabo to dara.
S37/39 - Wọ awọn ibọwọ ti o dara ati aabo oju / oju
S45 - Ni ọran ti ijamba tabi ti o ba ni ailara, wa imọran iṣoogun lẹsẹkẹsẹ (fi aami han nigbakugba ti o ṣee ṣe.)
S36/37/39 - Wọ aṣọ aabo to dara, awọn ibọwọ ati aabo oju / oju.
UN ID UN 2923 6.1 (8) / PGIII
WGK Germany 3
RTECS HA1595000
FLUKA BRAND F CODES 8-10-23
HS koodu 29309013
DL-Cysteine (H-DL-Cys-OH) (CAS: 3374-22-9), amino acid ti o ni imi-ọjọ imi-ọjọ ti o jẹ propanoic acid pẹlu ẹgbẹ amino kan ni ipo 2 ati ẹgbẹ sulfanyl ni ipo 3. DL-Cysteine. jẹ amino acid dimeric ti ko ṣe pataki ti o sopọ mọ covalently ti a ṣẹda nipasẹ ifoyina ti CYSTEINE.Awọn moleku meji ti cysteine ni a so pọ nipasẹ afara disulfide lati ṣe cystine.Cystine jẹ amino acid ti ko ṣe pataki ti o ṣe bi ounjẹ ati afikun ijẹẹmu.O jẹ die-die tiotuka ninu omi ati ninu oti.o ṣe ilọsiwaju didara ti ibi ti amuaradagba lapapọ ninu awọn ounjẹ ti o ni awọn amuaradagba ti ko ni isẹlẹ nipa ti ara.
DL-Cysteine jẹ amino acid ti ko ṣe pataki ti o le ṣepọ nipasẹ ara eniyan labẹ awọn ipo iṣe-iṣe deede ti iwọn methionine to to ba wa.Cysteine jẹ igbagbogbo lo bi iṣaaju ninu ounjẹ ati awọn ile-iṣẹ elegbogi.A lo Cysteine gẹgẹbi iranlọwọ processing fun yan, bi afikun ninu awọn siga, ati ni igbaradi ti awọn adun ẹran.