D-Cysteine Hydrochloride Monohydrate CAS 32443-99-5 (HD-Cys-OH·HCl·H2O) Kev ntsuam xyuas 98.5 ~ 101.0%
Shanghai Ruifu Chemical Co., Ltd. yog tus ua lag luam ntawm D-Cysteine Hydrochloride Monohydrate (HD-Cys-OH·HCl·H2O) (CAS: 32443-99-5) nrog cov khoom zoo.Ruifu Chemical muab ntau cov amino acids & derivatives.Peb cov khoom tau mus txog lossis dhau qhov kev qhia tshwj xeeb thoob ntiaj teb, xws li AJI, USP, EP, JP thiab FCC, uas tau xa tawm mus rau ntau lub tebchaws hauv tsev thiab txawv teb chaws.Peb tuaj yeem muab COA, xa khoom thoob ntiaj teb, me me thiab ntau ntau.Yog tias koj xav yuav khoom,Please contact: alvin@ruifuchem.com
Tshuaj npe | D-Cysteine Hydrochloride Monohydrate |
Synonyms | HD-Cys-OH·HCl·H2O;D-Cys·HCl·H2O;HD-Cys-OH·H2O·HCl;D-Cysteine HCl Monohydrate;HD-Cys-OH · HCl Monohydrate;D-2-Amino-3-Mercaptopropionic Acid Hydrochloride Monohydrate |
Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 500 Tons ib xyoos |
CAS Nr | 32443-99-5 |
Molecular Formula | C3H7NO2S·HCl·H2O |
Molecular Luj | 175.63 g / mole |
Melting Point | 185 ℃ (txog.) |
rhiab heev | Hygroscopic.Moisture Sensitive |
Dej Solubility | Soluble hauv dej |
Solubility | Me ntsis Soluble hauv Ethanol, Nrog me ntsis tsw ntawm Organic Sulfide |
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 |
Risk Statements | 36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. |
Cov lus hais txog kev nyab xeeb | S26 - Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.S36 - Hnav khaub ncaws tiv thaiv zoo. |
WGK Germany | 3 |
F | 3-10-23 : kuv |
HS Code | 2930901000 ib |
Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
Qhov tshwm sim | Dawb Crystals los yog Crystalline Hmoov | Ua raws |
Kev txheeb xyuas | Ua tau raws li qhov yuav tsum tau ua | Ua raws |
Kev sib hloov tshwj xeeb [α]20/D | -6.1 ° txog -7.8 ° C = 8 hauv 1N HCl) | -6.3 ° |
State of Solution (Kev xa tawm) | Ntshiab thiab tsis muaj xim ≥98.0% | 99.0% |
Chloride (Cl) | 19.89 ~ 20.29% | 20.2% |
Sulfate (SO4) | ≤ 0.020% | <0.020% |
Ammonium (NH4) | ≤ 0.020% | <0.020% |
Hlau (Fe) | ≤10ppm | <10ppm |
Heavy Metals (Pb) | ≤10ppm | <10ppm |
Arsenic (As2O3) | ≤ 1.0ppm | <1.0ppm |
Lwm yam Amino Acids | Chromatographically Tsis Detectable | Ua raws |
Poob rau ziab | 8.50 ~ 12.0% | 9.97% |
Residue ntawm Ignition (Sulfated) | ≤0.10% | 0.06% |
Assay | 98.5 mus rau 101.0% (raws li Kev Qhuab Qhia) | 99.7% |
Xaus | Cov khoom no los ntawm Kev Tshawb Fawb Pom Zoo nrog Tus Qauv ntawm AJI97 | |
Txee lub neej | 24 lub hlis txij hnub tsim khoom yog tias khaws cia kom raug | |
Kev siv tseem ceeb | Amino Acids & Derivatives;Pharmaceutical Intermediates |
D-Cysteine Hydrochloride Monohydrate (HD-Cys-OH·HCl·H2O) (CAS: 32443-99-5) AJI 97 Test Method
D-Cysteine Hydrochloride Monohydrate, thaum qhuav, muaj tsis tsawg dua 98.5 feem pua thiab tsis ntau tshaj 101.0 feem pua ntawm D-Cysteine Hydrochloride (C3H7NO2S·HCl).
Solubility (H2O, g / 100g): txog 67 (25 ℃)
Kev txheeb xyuas: (1) Rau 5ml ntawm kev daws ntawm D-Cysteine Hydrochloride Monohydrate (1 → 1000) ntxiv 0.5ml ntawm pyridine thiab 1ml ntawm 1% ninhydrin tov thiab cua sov rau 3 feeb;cov xim liab los yog xim liab liab yog tsim.
(2) Rau 5ml ntawm kev daws ntawm D-Cysteine Hydrochloride Monohydrate (1 → 1000) thiab 2ml ntawm 10% sodium hydroxide tov thiab ob tee ntawm 5% sodium nitroferricyanide tov;cov xim liab-liab yog tsim.
(3) Siv qhov me me ntawm cov qauv kuaj ntawm cov hlau tooj liab.Hlawv hauv cov nplaim taws, tom qab ntawd cov xim ntsuab yog tsim (Beilstein cov tshuaj tiv thaiv).
Kev sib hloov tshwj xeeb [α]20 / D: Cov qauv qhuav, C = 8, 1mol / L HCl
State of Solution (Transmittance): 1.0g hauv 10ml ntawm H2O, spectrophotometer, 430nm, 10mm cell thickness.
Chloride (Cl): 350mg, B-2
Ammonium (NH4): A-1
Sulfate (SO4): 1.2g, (1), ref: 0.50ml ntawm 0.005mol / L H2SO4
Heavy Metals (Pb): 2.0g, (1), pH = 7, 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, A-1-a
Poob rau ziab: Hauv lub tshuab nqus tsev, P2O5, ntawm chav tsev kub rau 20 teev.
Residue ntawm Ignition (Sulfated): AJI Test 13
Assay: Cov qauv qhuav, 250ml, 0.05mol / L I2 1ml = 15.762mg C3H7NO2S·HCl
Lwm cov Amino Acids: Dissolve 200mg ntawm cov qauv hauv 2% N-ethyl-maleimide aqueous tov kom 100ml thiab tso cai rau sawv ntsug rau 30 feeb thiab tom qab ntawd ua raws li cov txheej txheem hauv AJI TEST 9.
Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
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D-Cysteine Hydrochloride Monohydrate (HD-Cys-OH · HCl · H2O) (CAS: 32443-99-5),Amino Acids thiab Derivatives;NMDA Agonists;Peptide Synthesis;Pharmaceutical Intermediates;Khoom noj khoom haus thiab pub additives;Khoom noj khoom haus additive.
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