L-Cysteine Methyl Ester Hydrochloride CAS 18598-63-5 (H-Cys-Ome · HCl) Kev Ntsuam Xyuas 98.5 ~ 101.0% Hoobkas
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom thiab cov chaw muag khoom ntawm L-Cysteine Methyl Ester Hydrochloride (H-Cys-Ome·HCl) (CAS: 18598-63-5) nrog cov khoom zoo.Ruifu Chemical muab ntau cov amino acids thiab derivatives.Peb cov khoom raug xa tawm mus rau Tebchaws Europe, Tebchaws USA, Australia, Southeast Asia thiab lwm lub tebchaws, muaj kev ntseeg siab 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 L-Cysteine Methyl Ester Hydrochloride,Please contact: alvin@ruifuchem.com
| Tshuaj npe | L-Cysteine Methyl Ester Hydrochloride |
| Synonyms | H-Cys-OMe·HCl;L-Cys-OMe HCl;L-Cysteine Methyl Ester HCl;Laevo-Cysteine Methyl Ester Hydrochloride;L-Cysteine Methyl Ester Monohydrochloride;Mecysteine Hydrochloride;(R)-Cysteine Methyl Ester Hydrochloride;Methyl (R)-2-Amino-3-Mercaptopropanoate Hydrochloride;Methyl L-Cysteinate Hydrochloride;Methyl Cysteine Hydrochloride |
| Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 20 Tons ib Hlis |
| CAS Nr | 18598-63-5 |
| Molecular Formula | C4H9NO2S · HCl |
| Molecular Luj | 171.64 ib |
| Melting Point | 138.0 ~ 141.0 ℃ (dec.) (lit.) |
| Dej Solubility | Soluble hauv dej, txog 100 g / 100g (25 ℃), Yuav luag Transparency |
| Solubility | Soluble hauv dej, Dawb Soluble hauv Methanol, Soluble hauv Ethanol, Xyaum Insoluble hauv Ether.Me ntsis Hygroscopoc Property. |
| 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 | TIAB SA 246000 |
| Risk Statements | 36/37/38 ib | F | 1-10 |
| Cov lus hais txog kev nyab xeeb | 26-36-37/39 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;Me ntsis yam ntxwv saj | Ua raws |
| Kev sib hloov tshwj xeeb [α]20/D | -1.5° to -3.5° (C = 20 in MeOH) | -2.5° C = 20 in MeOH) |
| State of Solution (Kev xa tawm) | Ntshiab thiab tsis muaj xim ≥98.0% | 98.3% |
| Melting Point | 138.0 ~ 141.0 ℃ | 138.0 ~ 138.8 ℃ |
| Chloride (Cl) | 20.35 ~ 20.87% | Ua raws |
| Sulfate (SO4) | ≤ 0.048% | <0.048% |
| Ammonium (NH4) | ≤ 0.020% | <0.020% |
| Heavy Metals (Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤ 1.0ppm | <1.0ppm |
| Lwm yam Amino Acids | Ua raws | Ua raws |
| Poob rau ziab | ≤ 0.40% | 0.35% |
| Residue ntawm Ignition (Sulfated) | ≤0.10% | 0.09% |
| Assay | 98.5 txog 101.0% | 99.3% |
| Tus nqi pH | 2.9 txog 3.8 (1.0g hauv 20ml ntawm H2O) | 3.1 |
| Xaus | Cov khoom no los ntawm Kev Tshawb Fawb Pom Zoo nrog Tus Qauv ntawm AJI97 | |
L-Cysteine Methyl Ester Monohydrochloride, thaum qhuav, muaj tsis tsawg dua 98.5 feem pua thiab tsis ntau tshaj 101.0 feem pua ntawm L-Cysteine Methyl Ester Monohydrochloride (C4H9NO2S·HCl).
Nqe lus piav qhia: Dawb crystals los yog crystalline hmoov, me ntsis yam ntxwv saj
Soluble heev nyob rau hauv dej, dawb do soluble nyob rau hauv methanol, soluble nyob rau hauv ethanol, xyaum insoluble nyob rau hauv ether.Me ntsis hygroscopoc khoom.
Solubility (H2O, g / 100g): txog 100 (25 ℃)
Kev txheeb xyuas: (1) Rau 2ml ntawm kev daws ntawm Cysteine Methyl Ester Monohydrochloride (1 → 200) ntxiv 1ml ntawm pyridine thiab 1ml ntawm ninhydrin TS (2%);xim liab yog tsim.
(2) Rau 5ml ntawm kev daws ntawm Cysteine Methyl Ester Monohydrochloride (1 → 100) ntxiv dilute ferric chloride TS;xim xiav yog tsim, thiab nws maj mam hloov mus rau ntsuab.
(3) Rau 5ml ntawm kev daws ntawm Cysteine Methyl Ester Monohydrochloride (1 → 100) ntxiv ob peb tee ntawm khob sulfate TS;lub teeb daj xim yog tsim thiab xim liab-violet yog tsim los ntawm kev ntxiv ntau tee ntawm cupric sulfate TS
(4) Rau kev daws ntawm Cysteine Methyl Ester Monohydrochloride (1 → 100) ntxiv sulfuric acid thiab poov tshuaj permanganate thiab cua sov;Cov tshuaj chlorine hloov pauv hloov pauv cov poov tshuaj iodine hmoov txhuv nplej siab moistened nrog dej rau xiav.
Kev sib hloov tshwj xeeb [α]20 / D: Cov qauv qhuav, C = 20, methanol
State of Solution (Transmittance): 1.0g hauv 10ml ntawm H2O, spectrophotometer, 430nm, 10mm cell thickness.
Chloride (Cl): Cov qauv qhuav, 340mg, B-2
Ammonium (NH4): A-1
Sulfate (SO4): 0.50g, (1), ref: 0.50ml ntawm 0.005mol / 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.
Lwm Yam Amino Acids: Cov Qauv Xeem: 10μg, PA-P1, tswj;L-Cys.HCl.H2O 0.1μg
Poob ntawm Kev Qhuav: Hauv lub tshuab nqus tsev, P2O5, ntawm chav sov li 5 teev.
Residue ntawm Ignition (Sulfated): AJI Test 13
Kev Ntsuas: Ioometry
pH: 1.0g hauv 20ml H2O
Melting Point: AJI Test 36
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:Khaws rau hauv cov thawv ntim khoom ntawm qhov chaw txias, qhuav thiab cua tshuab kom deb ntawm cov khoom tsis sib xws.Tiv thaiv los ntawm lub teeb thiab noo noo.Tiv thaiv los ntawm tshav kub.Khaws cia kom deb ntawm oxidizing agents.
Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
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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.
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Kev Ua Haujlwm thiab Kev Siv L-Cysteine Methyl Ester Hydrochloride (H-Cys-Ome·HCl) (CAS: 18598-63-5)
1. Amino acids thiab derivatives, siv peptide synthesis, organic synthesis intermediates, tshuaj intermediates, biochemical reagents, tshuaj reagents.
2. L-Cysteine Methyl Ester Hydrochloride yog cov tshuaj mucolytic.Ib qho tshuaj zoo rau kev kho lub siab tsis ua haujlwm.Qhia tau zoo inhibit qhov kev khi ntawm ethynylestradiol metabolites rau cov protein thiab nucleic acids.
3. L-Cysteine Methyl Ester Hydrochloride yog ib qho biochemical uas qhia tias inhibit binding ntawm ethynylestradiol metabolites rau cov protein thiab nucleic acids.Nws siv nyob rau hauv lub synthesis ntawm peptides, Kev npaj ntawm thiazolidine-4-carboxylates nrog carbonyl tebchaw.
4. L-Cysteine Methyl Ester Hydrochloride yog ib qho tshuaj tiv thaiv kab mob, thiab cov tshuaj expectorant, siv los daws qhov ua tsis taus pa los ntawm cov hnoos qeev.
5. L-Cysteine Methyl Ester Hydrochloride feem ntau yog siv rau hauv cov tshuaj: cov tshuaj uas tsim tau tuaj yeem kho cov kab mob leukopenia thiab leukopenia tshwm sim los ntawm kev tswj hwm cov tshuaj tiv thaiv kab mob thiab cov tshuaj radioactive tshuaj, yog tshuaj tua kab mob hnyav hlau lom, thiab kuj tseem siv tau. kho cov kab mob siab mob siab, thrombocytopenia, daim tawv nqaij ulcers, thiab tiv thaiv kab mob siab necrosis, thiab muaj cov nyhuv ntawm kev kho mob bronchitis thiab daws phlegm.
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