DL-Cysteine CAS 3374-22-9 Assay 98.0~102.0%
Shanghai Ruifu Chemical Co., Ltd. ndiyo inotungamira mugadziri uye mutengesi weDL-Cysteine (H-DL-Cys-OH) (CAS: 3374-22-9) ine mhando yepamusoro, kugadzirwa kwe500 Matani pagore.Ruifu Chemical inopa akateedzana amino acids uye zvinobva.Isu tinogona kupa COA, kuendesa pasi rese, zvidiki uye huwandu hwakawanda huripo.Kana iwe uchifarira DL-Cysteine,Please contact: alvin@ruifuchem.com
Chemical Name | DL-Cysteine |
Mashoko anoreva zvakafanana | H-DL-Cys-OH;DL-Cys;Cysteine;(+/-)-Cysteine;(±) -2-Amino-3-Mercaptopropionic Acid;DL-2-Amino-3-Mercaptopropanoic Acid;DL-2-Amino-3-Mercaptopropionic Acid;(R,S) -2-Amino-3-Mercaptopropionic Acid |
Stock Status | MuStock, Kukwanisa Kugadzira 500 Matani pagore |
Nhamba yeCAS | 3374-22-9 |
Molecular Formula | C3H7NO2S |
Molecular Weight | 121.16 |
Melting Point | 225 ℃(December) (lit.) |
Boiling Point | 293.9±35.0℃ |
Sensitive | Chiedza Sensitive;Moisture Sensitive;Air Sensitive |
Solubility | Soluble muMvura (Pamwe), 1 N HCl (25 mg/ml), Ethanol, uye Acetic Acid.Insoluble muAcetone |
Kugadzikana | Yakagadzikana.Haienderane Neakasimba Oxidizing Agents |
Storage Temp. | Yakavharwa muKuoma, Chengetedza paChikamu Tembiricha |
COA & MSDS | Available |
Classification | Amino Acids & Derivatives |
Brand | Ruifu Chemical |
Items | Kuongorora Maitiro | Results |
Chitarisiko | Makristasi Akachena kana Crystalline Powder | Conforms |
Identification | Infrared Absorption Spectrum | Conforms |
Kutenderera kwakananga [α]20/D | -1.0° kusvika +1.0°(C=8, 1 N HCl) | 0° |
State of Solution (Transmittance) | Zvakajeka uye Zvisina Ruvara ≥95.0% | 96.1% |
Chloride (Cl) | ≤0.100% | <0.100% |
Simbi (Fe) | ≤5ppm | <5ppm |
Masimbi anorema (Pb) | ≤10ppm | <10ppm |
Arsenic (As2O3) | ≤1.0ppm | <1.0ppm |
Mamwe maAmino Acids | ≤2.00% | Conforms |
Kurasika paKuomesa | ≤0.20% | 0.12% |
Residue paIgnition (Sulfated) | ≤0.10% | 0.05% |
Assay | 98.0~102.0% | 99.9% |
Mhedziso | Ichi Chigadzirwa neKuongorora Zvibvumirano neiyo Standard yeAJI97 | |
Main Use | Amino Acids;Zvokudya zvinowedzera;Pharmaceutical Intermediates |
DL-Cysteine (CAS: 3374-22-9) AJI 97 Test Method
Kuzivikanwa: Enzanisa infrared absorption spectrum yemuenzaniso neiyo yechiyero ne potassium bromide disc nzira.
State of Solution (Transmittance): 0.5g mu50ml yeH2O, spectrophotometer, 430nm, 10mm sero ukobvu.
Chloride (Cl): 0.14g, A-5, ref: 0.40ml ye0.01mol/L HCl
Simbi (Fe): 0.6g, ref: 0.3ml yeIron Std.(0.01mg/ml)
Heavy Metals (Pb): 2.0g, (1), ref: 2.0ml yePb Std.(0.01mg/ml)
Arsenic (As2O3): 2.0g, (1), ref: 2.0ml yeAs2O3 Std.
Mamwe Amino Acids: Test Sample: 10μg, A-2-a, control;L-Cystine 0.2μg
Kurasikirwa Pakuomesa: Muvacuum, pamhepo tembiricha kwemaawa matatu.
Residue paIgnition (Sulfated): AJI Muedzo 13
Chiyero: Muenzaniso wakaomeswa, 250mg, 0.05mol/L I2 1ml = 12.116mg C3H7NO2S
Mamwe maAmino Acids:
Dissolve 200mg yesample mu2% N-ethyl-maleimide aqueous solution kuita 100ml yebvunzo mhinduro.Dissolve 40mg yeL-Cystine mudiki diki ye2mol/L HCl uye wedzera mvura kuita 100ml mhinduro.
Dilute 10ml yemhinduro nenzira kwayo mumvura kuita 100ml yeyakajairwa mhinduro.Bvumira kumira kwemaminetsi makumi matatu uye woenderera sekurairwa kwemaitiro pasi pe AJI TEST 9.
Package: Fluorinated Bhodhoro, 25kg/bhegi, 25kg/Cardboard Drum, kana zvinoenderana nezvinodiwa nemutengi.
Storage Condition:Chengetedza mumidziyo yakavharwa panzvimbo inotonhorera, yakaoma uye inofefetera kure nezvinhu zvisingaenderane.Dzivirira kubva kuchiedza uye unyoro.
Kutenga sei?Please contactDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Makore 15 Oupenyu?Tine makore anopfuura 15 ane ruzivo mukugadzira uye kutumira kunze kwemhando dzakasiyana-siyana dzepamusoro dzemishonga yepakati kana makemikari akanaka.
Main Markets?Tengesa kumusika wepamba, North America, Europe, India, Korea, Japan, Australia, nezvimwe.
Zvakanakira?Hunhu hwepamusoro, mutengo unokwanisika, masevhisi ehunyanzvi uye rutsigiro rwehunyanzvi, kuendesa nekukurumidza.
HunhuSimbiso?Strict quality control system.Midziyo yehunyanzvi yekuongorora inosanganisira NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, nezvimwe.
Samples?Zvigadzirwa zvakawanda zvinopa mahara emahara ekuongorora kwemhando, mutengo wekutumira unofanirwa kubhadharwa nevatengi.
Factory Audit?Factory audit inogamuchirwa.Ndapota itai nguva isati yasvika.
MOQ?Hapana MOQ.Kurongeka kudiki kunogamuchirwa.
Delivery Nguva? Kana mukati me stock, mazuva matatu kutumirwa anovimbiswa.
Transportation?Ne Express (FedEx, DHL), neMhepo, neGungwa.
Zvinyorwa?Mushure mekutengesa sevhisi: COA, MOA, ROS, MSDS, nezvimwe zvinogona kupihwa.
Custom Synthesis?Inogona kupa echinyakare synthesis masevhisi kuti aenderane nezvinodiwa zvako zvekutsvagisa.
Payment Terms?Proforma invoice inozotumirwa kutanga mushure mekusimbisa kurongeka, yakavharirwa ruzivo rwedu rwebhangi.Kubhadhara neT/T (Telex Transfer), PayPal, Western Union, nezvimwe.
3374-22-9 - Njodzi uye Kuchengeteka
Hazard Codes Xn,Xi,C
Risk Codes
R20/21/22 - Inokuvadza nekufema, kubata neganda uye kana ikamedzwa.
R36/37/38 - Kushungurudza maziso, kufema system uye ganda.
R22 - Zvinokuvadza kana ikamedzwa
R35 - Inokonzera kupisa kwakanyanya
Tsanangudzo Yekuchengetedza
S26 - Kana wasangana nemaziso, simbura nekukasira nemvura yakawanda uye tsvaga mazano ekurapwa.
S36 - Pfeka zvipfeko zvinodzivirira zvakakodzera.
S37/39 - Pfeka magirovhosi akakodzera uye dziviriro yeziso / kumeso
S45 - Kana pakaitika tsaona kana ukanzwa usinganzwe zvakanaka, tsvaga zano rekurapa nekukasira (ratidza chinyorwa pese pazvinogoneka.)
S36/37/39 - Pfeka zvipfeko zvekudzivirira zvakakodzera, magurovhosi uye kudzivirira maziso/chiso.
UN IDs UN 2923 6.1(8) / PGIII
WGK Germany 3
RTECS HA1595000
FLUKA BRAND F CODES 8-10-23
HS Code 29309013
DL-Cysteine (H-DL-Cys-OH) (CAS: 3374-22-9), sulfur-ine amino acid ine propanoic acid ine amino boka panzvimbo yechipiri uye sulfanyl boka panzvimbo 3. DL-Cysteine is a covalently linked dimeric nonessential amino acid inoumbwa neiyo oxidation yeCYSTEINE.Mamorekuru maviri ecysteine anobatanidzwa pamwe chete ne disulfide bhiriji kuti aumbe cystine.Cystine isingakoshi amino acid inoshanda sechikafu uye chikafu chekuwedzera.Inonyungudika zvishoma mumvura uye mudoro.inovandudza hutano hwehupenyu hweprotein yakazara muzvikafu zvine mapuroteni anongoitika.
DL-Cysteine isiri-yakakosha amino acid inogona kugadzirwa nemuviri wemunhu pasi peyakajairika physiological mamiriro kana huwandu hwakakwana hwemethionine huripo.Cysteine inowanzoshandiswa sefanotangira mumaindasitiri ezvekudya nemishonga.Cysteine inoshandiswa semubatsiri wekugadzirisa kubheka, sekuwedzera mufodya, pamwe nekugadzirira nyama inonaka.