L-Cysteine Ethyl Ester Hydrochloride CAS 868-59-7 (H-Cys-OEt · HCl) Kev Ntsuam Xyuas 99.0 ~ 101.0% Hoobkas
Shanghai Ruifu tshuaj Co., Ltd.Ruifu Chemical muab ntau cov amino acids thiab derivatives.Peb cov khoom muaj npe nrov hauv tsev thiab txawv teb chaws thiab tau txais txiaj ntsig zoo los ntawm cov neeg siv khoom.Peb tuaj yeem muab cov khoom xa tuaj thoob ntiaj teb, tus nqi sib tw, me me thiab ntau ntau muaj.Yuav H-Cys-OEt · HCl,Please contact: alvin@ruifuchem.com
| Tshuaj npe | L-Cysteine Ethyl Ester Hydrochloride |
| Synonyms | H-Cys-OEt · HCl;L-Cys-OEt · HCl;L-Cysteine Ethyl Ester HCl;L-Cysteine Ethyl Ester Monohydrochloride;Ethyl Cysteinate HCl;Ethyl L-Cysteinate Hydrochloride;(R)-Ethyl 2-Amino-3-Mercaptopropanoate Hydrochloride;Ethyl (R)-2-Amino-3-Mercaptopropionate Monohydrochloride |
| Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 20 Tons ib Hlis |
| CAS Nr | 868-59-7 ib |
| Molecular Formula | C5H11NO2S · HCl |
| Molecular Luj | 185.67 ib |
| Melting Point | 120.0 txog 128.0 ℃ |
| Qhov ntom | 1.391 ib |
| rhiab heev | Hygroscopic.Thaum tshav kub kub Sensitive |
| Dej Solubility | Soluble heev hauv dej, Yuav luag Transparency |
| Solubility | Dawb Soluble hauv Methanol thiab Ethanol.Xyaum Insoluble hauv Chlorform |
| Cia Temp. | Muab ntim rau hauv Qhuav, Khaws ntawm Chav Kub |
| COA & MSDS | Muaj |
| Kev faib tawm | Amino Acids thiab Derivatives |
| Hom | Ruifu Tshuaj |
| Hazard Codes | Xis - Irritant | RTECS | HA1820000 |
| Risk Statements | 36/37/38 ib | TSCA | Yog lawm |
| Cov lus hais txog kev nyab xeeb | 24/25-36-26 ib | HS Code | 2930909099 ib |
| WGK Germany | 2 |
| Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
| Qhov tshwm sim | Dawb Crystals lossis Crystalline Hmoov;Acid saj | Ua raws |
| Kev txheeb xyuas | Infrared Absorption Spectrum yog tsim | Ua raws |
| Kev sib hloov tshwj xeeb [α]20/D | -10.0° to -13.0° (C = 8 in 1mol/L HCl) | -11.7 ° C |
| State of Solution (Kev xa tawm) | Ntshiab thiab tsis muaj xim ≥98.0% | 98.3% |
| Chloride (Cl) | 18.80 ~ 19.28% | Ua raws |
| Sulfate (SO4) | ≤ 0.010% | <0.010% |
| Heavy Metals (Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤ 1.0ppm | <1.0ppm |
| Yam khoom muaj feem A | ≤ 1.50% | Ua raws |
| Yam khoom muaj feem B | ≤0.50% | Ua raws |
| Poob rau ziab | ≤ 0.30% | 0.20% |
| Residue ntawm Ignition (Sulfated) | ≤0.10% | 0.08% |
| Assay | 99.0 txog 101.0% | 99.5% |
| Tus nqi pH | 2.5 txog 3.5 (1.0g hauv 20ml ntawm H2O) | 2.7 |
| Xaus | Cov khoom no los ntawm Kev Tshawb Fawb Pom Zoo nrog Tus Qauv ntawm AJI97 | |
L-Cysteine Ethyl Ester Monohydrochloride, thaum qhuav, muaj tsis tsawg tshaj li 99.0 feem pua thiab tsis ntau tshaj 101.0 feem pua ntawm L-Cysteine Ethyl Ester Monohydrochloride (C5H11NO2S·HCl).
Nqe lus piav qhia: Dawb crystals lossis crystalline hmoov, acid saj
Soluble heev nyob rau hauv dej, dawb do soluble nyob rau hauv methanol thiab ethanol.xyaum insoluble hauv chlorform
Cov tshuaj, thaum tso cai rau sawv ntsug, maj mam decomposes mus rau evolve ib tug tsw ntawm hydrogen sulfide.
Solubility (H2O, g / 100g): txog 100 (25 ℃)
Kev txheeb xyuas: (1) Txiav txim siab qhov infrared absorption spectrum ntawm Cysteine Ethylester Monohydrochloride raws li qhia hauv cov txheej txheem potassium bromide disk nyob rau hauv Infrared Spectrophotometry, thiab sib piv cov spectrum nrog Reference Spectrum: ob qho tib si spectra pom zoo sib xws ntawm kev nqus ntawm tib lub nthwv dej.
(2) Ib qho kev daws ntawm L-Cysteine Ethyl Ester Monohydrochloride (1 ntawm 20) teb rau Cov Kev Ntsuas Zoo (1) rau chloride.
Kev sib hloov tshwj xeeb [α]20 / D: Cov qauv qhuav, C = 8, 1mol / L HCl
State of Solution (Transmittance): 0.5g hauv 20ml ntawm H2O, spectrophotometer, 430nm, 10mm cell thickness.
Chloride (Cl): Cov qauv qhuav, 370mg, B-2
Sulfate (SO4): 2.4g, (1), ref: 0.50ml ntawm 0.01mol / L H2SO4
Heavy Metals (Pb): 2.0g, (1), ref: 2.0ml ntawm Pb Std.(0.01 mg/ml)
Arsenic (As2O3): 2.0g, (1), ref: 2.0ml ntawm As2O3 Std.
Yam Khoom Siv: Ua kua chromatography
Poob ntawm Kev Qhuav: Hauv lub tshuab nqus tsev, P2O5, ntawm chav sov li 5 teev.
Residue ntawm Ignition (Sulfated): AJI Test 13
Assay: Cov qauv qhuav, 250mg, 0.05ml / L I2 1ml = 18.567mg C5H11NO2S·HCl
pH: 1.0g hauv 20ml H2O
Pom zoo cia txwv thiab qhov xwm txheej: Khaws cov thawv kaw ntom nti ntawm chav tswj kub (1/2 xyoo).
Pob: Fluorinated Fwj, 25kg / hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Hygroscopic.Khaws rau hauv cov thawv ntim khoom ntawm qhov chaw txias, qhuav thiab cua tshuab kom deb ntawm cov khoom tsis sib xws.Khaws kom deb ntawm cov dej noo thiab oxidizing tus neeg sawv cev.
Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
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ZooKev lees paub?Kev tswj xyuas nruj nruj.Cov cuab yeej tshaj lij rau kev txheeb xyuas suav nrog NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, thiab lwm yam.
Cov qauv?Cov khoom lag luam feem ntau muab cov qauv dawb rau kev soj ntsuam zoo, tus nqi thauj khoom yuav tsum tau them los ntawm cov neeg siv khoom.
Factory Audit?Lub Hoobkas tshawb xyuas txais tos.Thov teem caij ua ntej.
MOQ?Tsis muaj MOQ.Kev txiav txim me me tau txais.
Lub sij hawm xa tuaj? Yog hais tias nyob rau hauv Tshuag, peb hnub shipping guaranteed.
Kev thauj mus los?Los ntawm Express (FedEx, DHL), los ntawm Cua, los ntawm hiav txwv.
Cov ntaub ntawv?Kev pab cuam tom qab muag: COA, MOA, ROS, MSDS, thiab lwm yam tuaj yeem muab tau.
Kev cai Synthesis?tuaj yeem muab cov kev pabcuam sib xyaw ua ke kom haum rau koj cov kev xav tau tshawb fawb.
Cov nqe lus them nqi?Proforma invoice yuav raug xa ua ntej tom qab kev pom zoo ntawm kev txiav txim, kaw peb cov ntaub ntawv hauv tuam txhab nyiaj.Kev Them Nyiaj los ntawm T / T (Telex Transfer), PayPal, Western Union, thiab lwm yam.
L-Cysteine Ethyl Ester Hydrochloride (H-Cys-OEt·HCl) (CAS: 868-59-7) yog hydrochloride daim ntawv ntawm ethyl ester ntawm L-Cysteine (C995000) uas yog ib qho tsis tseem ceeb amino acid feem ntau siv hauv cov khoom noj. additive, cosmetic, kws industries.Kuj tseem siv rau biochemical reagents.
1. Rau kev kho mob ntawm cov tshuaj lom tshuaj lom neeg, tshuaj lom neeg hlau hnyav, tshuaj lom kab mob siab, mob ntshav qab zib, thiab lwm yam, tuaj yeem tiv thaiv daim siab necrosis.Nws siv thiab ntau npaum li cas: txhaj tshuaj intramuscular, 100 ~ 200mg txhua zaus, 1 ~ 2 zaug hauv ib hnub.
2. Siv cov tshuaj pleev ib ce rau perm zoo, tshuaj pleev thaiv hnub, tshuaj pleev plaub hau, tshuaj pleev plaub hau zoo.
3. Raws li cov khoom noj khoom haus ntxiv, siv rau hauv khob cij los txhawb kev tsim cov gluten thiab txhawb kev fermentation, pwm, tiv thaiv oxidation.Rau cov kua txiv hmab txiv ntoo ntuj, los tiv thaiv oxidation thiab xim hloov ntawm vitamin C.
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