DL-Methionine CAS 59-51-8 (H-DL-Met-OH) Assay 99.0 ~ 101.0% Hoobkas High Quality

Lus piav qhia luv luv:

Lub npe tshuaj: DL-Methionine

Synonyms: H-DL-Met-OH;(±) - Methionine

CAS: 59-51-8 Nr

Kev ntsuam xyuas: 99.0 ~ 101.0% (raws li Kev Tshawb Fawb)

Cov tsos mob: Dawb Crystals lossis Crystalline hmoov;Qab zib thiab me ntsis iab saj

Amino Acids & Derivatives, Loj Loj Ntau Lawm

Hu rau: Dr. Alvin Huang

Txawb/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


Product Detail

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Khoom cim npe

Nqe lus piav qhia:

Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom thiab cov chaw muag khoom ntawm DL-Methionine (H-DL-Met-OH) (CAS: 59-51-8) nrog cov khoom zoo, muaj peev xwm ntau lawm 1000 Tons ib xyoos twg.Ruifu Chemical muab ntau cov amino acids & derivatives.Peb tuaj yeem muab COA, xa khoom thoob ntiaj teb, me me thiab ntau ntau.Yog tias koj txaus siab rau DL-Methionine,Please contact: alvin@ruifuchem.com

Chemical Properties:

Tshuaj npe DL-Methionine
Synonyms H-DL-Met-OH;Dextro, Laevo-Methionine;(±) - Methionine;(±)-2-Amino-4-(Methylmercapto)butyric Acid;DL-2-Amino-4-(Methylthio)butanoic Acid;(±)-2-Amino-4-(Methylthio)butyric Acid;(2RS)-2-Amino-4-(Methylsulfanyl)butanoic Acid
Tshuag xwm txheej Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 1000 Tons ib xyoos
CAS Nr 59-51-8
Molecular Formula C5H11NO2S
Molecular Luj 149.21 Nws
Melting Point 270.0 ~ 280.0 ℃ (dec.) (lit.)
Boiling Point 306.9 ± 37.0 ℃
Qhov ntom 1.340 g / ml
rhiab heev Lub teeb Sensitive
Solubility hauv dej kub Yuav luag Transparency
Solubility Soluble hauv 5M HCl (100 mg / ml), Dej (56.6 mg / ml ntawm 25 ℃), acetic acid, thiab sov dilute cawv.Insoluble hauv Ether, Acetone, Benzene
Cia Temp. Muab ntim rau hauv Qhuav, Khaws ntawm Chav Kub
COA & MSDS Muaj
Kev faib tawm Amino Acids thiab Derivatives
Hom Ruifu Tshuaj

Cov ntaub ntawv kev nyab xeeb:

Hazard Codes Xis RTECS PIB 0457000
Risk Statements 33-36/37/38 ib F 10-23
Cov lus hais txog kev nyab xeeb 24/25-36-26 ib TSCA Yog lawm
WGK Germany 2 HS Code 2930000000000000000000000000000000បាន។

Specifications:

Cov khoom Kev soj ntsuam Standards Cov txiaj ntsig
Qhov tshwm sim Dawb Crystals los yog Crystalline Hmoov Ua raws
Kev txheeb xyuas Infrared Absorption Spectrum yog tsim Ua raws
Kev sib hloov tshwj xeeb [α]20/D -1.0 ° txog +1.0 ° (C = 8, HCl)
Ua raws
State of Solution (Kev xa tawm) Ntshiab thiab tsis muaj xim ≥98.0% 99.52%
Chloride (Cl) ≤ 0.020% <0.020%
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 Ua raws Ua raws
Poob rau ziab ≤ 0.30% 0.16%
Residue ntawm Ignition (Sulfated) ≤0.10% 0.04%
Assay 99.0 txog 101.0% (raws li Kev Qhuab Qhia) 99.7%
Tus nqi pH 5.6 txog 6.1 (1.0g hauv 100ml ntawm H2O) 5.8
Xaus Ua raws li Cov Kev Qhia ntawm AJI97, EP
Kev siv tseem ceeb Khoom noj khoom haus / Pub Additives;Pharmaceuticals

Txoj Kev Xeem:

DL-Methionine (H-DL-Met-OH) (CAS: 59-51-8) AJI 97 Test Method
Kev txheeb xyuas: Sib piv cov infrared absorption spectrum ntawm cov qauv nrog cov qauv ntawm cov txheej txheem potassium bromide disc.
State of Solution (Transmittance): 0.5g hauv 20ml ntawm H2O, spectrophotometer, 430nm, 10mm cell thickness.
Chloride (Cl): 0.7g, A-4, ref: 0.40ml ntawm 0.01mol / L HCl
Ammonium (NH4): A-2
Sulfate (SO4): 1.2g, (1), ref: 0.50ml ntawm 0.005mol / L H2SO4
Hlau (Fe): 1.5g, ref: 1.50ml ntawm Hlau Std.(0.01 mg/ml)
Heavy Metals (Pb): 2.0g, yaj los ntawm kev ua kom sov, ref: 2.0ml ntawm Pb Std.(0.01 mg/ml)
Arsenic (As2O3): 2.0g, (1), ref: 2.0ml ntawm As2O3 Std.
Lwm cov Amino Acids: Cov Qauv Xeem: 50μg, B-1-a, tswj;DL-Met 0.25 μg
Poob rau ziab: ntawm 105 ℃ rau 4 teev.
Residue ntawm Ignition (Sulfated): AJI Test 13
Assay: Cov qauv qhuav, 150mg, (1), 3ml ntawm formic acid, 50ml ntawm glacial acetic acid, 0.1mol / L HCLO4 1ml = 14.921mg C5H11NO2S
pH Test: 1.0g hauv 100ml ntawm H2O

DL-Methionine (H-DL-Met-OH) (CAS: 59-51-8) EP8.0 Test Method
L-Methionine muaj tsis tsawg tshaj li 99.0 ib xees thiab tsis ntau tshaj qhov sib npaug ntawm 101.0 feem pua ​​ntawm (2RS)-2-Amino-4-(Methylsulfanyl)butanoic Acid, xam nrog rau cov khoom qhuav.
CEEB TOOM Yuav luag dawb, crystalline hmoov los yog me me flakes, sparingly soluble nyob rau hauv dej, heev me ntsis soluble nyob rau hauv cawv.Nws dissolves indilute acids thiab nyob rau hauv dilute daws ntawm alkali hydroxides.Nws melts ntawm txog 270 ℃ (instantaneous txoj kev)
IDENTIFICATION
Kev txheeb xyuas thawj zaug: A, C.
Kev qhia thib ob: B, C, D
A. Tshawb xyuas los ntawm infrared absorption spectrophotometry (2.2.24), piv nrog cov spectrum tau nrog DL-Methionine CRS.Qhuav cov khoom ntawm 105 ℃
B. Tshawb xyuas cov chromatograms uas tau txais hauv kev sim rau cov khoom muaj feem xyuam.Qhov chaw tseem ceeb hauv chromatogram tau txais nrog cov tshuaj ntsuam xyuas (b) zoo ib yam hauv txoj hauj lwm, xim thiab qhov loj me rau qhov chaw tseem ceeb hauv chromatogram tau nrog kev siv tshuaj (a).
C. Dissolve 2.50 g in1 M hydrochloric acid thiab dilute rau 50.0mL nrog tib cov kua qaub.Lub kaum sab xis ntawm kev sib hloov kho qhov muag (2.2.7) yog - 0.05 ° txog + 0.05 °.
D. Dissolve 0.1 g ntawm cov tshuaj yuav tsum tau soj ntsuam thiab 0.1 g ntawm glycine R nyob rau hauv 4.5 mL ntawm dilute sodium hydroxide tov R. Ntxiv 1 mL ntawm ib tug 25 g / L tov ntawm sodium nitroprusside R. Thaum tshav kub kub rau 40 ℃ rau 10min.Cia kom txias thiab ntxiv 2mL ntawm kev sib tov ntawm 1 ntim ntawm phosphoric acid R thiab 9 ntim ntawm hydrochloric acid R. Ib qho xim sib sib zog nqus-liab tsim.
KEV KAWM
Kev daws S. Dissolve 1.0 g hauv dej tsis muaj carbon dioxide R thiab dilute mus rau 50 mL nrog tib hnyav.
Qhov tshwm sim ntawm kev daws teeb meem.Kev daws S yog qhov tseeb (2.2.1) thiab tsis muaj xim (2.2.2, Txoj Kev II).
pH (2.2.3).pH ntawm kev daws S yog 5.4 txog 6.1.

Pob & Cia:

Pob: Aluminium ntawv ci hnab, 25kg / hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj.

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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.

Kev ruaj ntseg:ruaj khov.Incompatible nrog muaj zog oxidizing neeg sawv cev.

Qhov zoo:

Muaj peev xwm txaus: Muaj cov chaw txaus thiab cov kws tshaj lij

Kev Pabcuam Kev Ua Haujlwm: Ib qho kev pabcuam kev yuav khoom

Pob OEM: Kev cai pob thiab daim ntawv lo muaj

Kev xa khoom sai: Yog tias nyob hauv Tshuag, peb hnub xa khoom lav

Stable Supply: Khaws cov khoom tsim nyog

Kev them nyiaj yug Technical: Technology tov muaj

Kev Pabcuam Synthesis: Ntau yam ntawm grams mus rau kilos

High Quality: Tsim kom muaj kev ruaj ntseg zoo

FAQ:

Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com 

15 Xyoo Kev Paub?Peb muaj ntau tshaj li 15 xyoo ntawm kev paub nyob rau hauv kev tsim thiab export ntawm ib tug ntau yam ntawm zoo tshuaj intermediates los yog zoo tshuaj.

Kev lag luam loj?Muag rau kev lag luam hauv tsev, North America, Europe, India, Kauslim, Nyiv, Australia, thiab lwm yam.

Qhov zoo?Superior zoo, tus nqi pheej yig, kev pabcuam tshaj lij thiab kev txhawb nqa kev pabcuam, xa khoom sai.

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.

Daim ntawv thov:

DL-Methionine (H-DL-Met-OH) (CAS: 59-51-8) yog ib qho tseem ceeb ntawm kev tsim cov protein, tsuas yog sulfur bearing amino acid ntawm cov amino acids tseem ceeb, nws koom nrog hauv transmethylation sab hauv tsiaj lub cev, phosphorus metabolism thiab adrenalin, choline thiab creatine synthesis, nws kuj yog raw khoom ntawm cov protein thiab cystine synthesis.Methionine tsis tuaj yeem ua ke hauv lub cev tsiaj, yuav tsum tau noj los ntawm cov khoom noj.Ntxiv rau hauv qhov pub, tuaj yeem txhawb cov nqaij qaib kom loj hlob, nce nqaij ntshiv kom muaj nuj nqis thiab txo lub voj voog pub mis.
Kev siv Dl-Methionine
{Pib Qib}
Tsiaj pub ntxiv rau cov tsiaj txhu yog chelated los ntawm DL-Methionine thiab zinc sulfate.
1. Ua los ntawm cov tshuaj tiv thaiv ntawm mole ntawm zinc ion mus rau moles ntawm methionine, siab chelate feem pua, qhov zoo tshaj plaws stability.
2. Muaj bioavailability, zoo dua cov khoom noj ntawm zinc, yog ib hom khoom noj khoom haus zoo dua.
3. Tsis txhob cuam tshuam los ntawm tus nqi pH, inorganic ions thiab organic macromolecules hauv plab hnyuv.
Khoom ua haujlwm
Ntxiv rau tsiaj pub, DL-Methionine tuaj yeem pab tsiaj loj hlob sai sai hauv lub sijhawm luv luv thiab txog 40% ntawm lawv cov khoom noj tuaj yeem cawm tau.
1. Lub bioavailability ntawm tsiaj pub ntxiv rau cov tsiaj nyeg zoo dua li lwm cov organic zinc.
2. daws qhov teeb meem ntawm hoof tawg rau sows zoo .
3. Ua kom qhov tso, fertilization, thiab hatching nqi, txhim kho lub qe zoo.
4. Ua rau kom tshem tawm cov tawv tawv thiab tawv tawv, tau txais cov plaub muag ci.Thiab txo qis hauv cannib alism ntawm pecking plume thiab qhov quav.
5. Ua kom muaj kev noj zaub mov kom zoo, tuaj yeem txhim kho tsiaj kev loj hlob thiab kev tiv thaiv kab mob, txhawb kev noj zaub mov ntau ntxiv.
6. Cov zinc methionine no tuaj yeem pab cov tsiaj tsis muaj zaub mov noj qab haus huv, tuaj yeem ua rau tsiaj loj hlob.
{Food Qib}
DL-Methionine yog ib qho ntawm 18 hom amino acids, thiab ib qho ntawm yim qhov tseem ceeb amino acids ntawm tus tsiaj thiab tib neeg lub cev.Nws yog tsuas yog siv los ua cov khoom noj ntxiv hauv cov ntses, qaib, npua thiab nyuj noj zaub mov kom tsiaj thiab noog loj hlob zoo.Nws tuaj yeem txhim kho cov kua mis tso tawm ntawm nyuj, tiv thaiv qhov tshwm sim ntawm hepatosis.Tsis tas li ntawd, nws tseem tuaj yeem siv los ua cov tshuaj amino acid, tshuaj txhaj tshuaj, tshuaj noj zaub mov noj, tus neeg sawv cev ntawm kev tiv thaiv daim siab, kev kho mob siab cirrhosis thiab tshuaj lom kab mob siab.
1. DL-Methionine tuaj yeem siv rau hauv kev sib xyaw ntawm cov tshuaj vitamins, cov khoom noj khoom haus thiab cov khoom noj khoom haus.
2. DL-Methionine yog ib qho tseem ceeb ntawm cov amino acid infusion thiab compound amino acid.DL-Methionine muaj kev ua haujlwm ntawm lub siab rog.Ua kom zoo dua ntawm txoj haujlwm no, cov vitamins hluavtaws tuaj yeem siv los ua kev tiv thaiv daim siab.
3. Raws li cov amino acid tseem ceeb ntawm tib neeg lub cev, DL-Methionine tuaj yeem siv los ua cov khoom noj khoom haus ntxiv hauv cov khoom noj thiab kev khaws cia xws li cov khoom qab zib ntses.
4. Raws li ib qho tseem ceeb ntawm cov protein synthesis, DL-Methionine muaj kev tiv thaiv ntawm lub plawv cov leeg.Tib lub sijhawm, DL-Methionine tuaj yeem hloov mus rau Taurine los ntawm leej faj, thaum Taurine muaj cov nyhuv hypotensive.DL-Methionine kuj muaj kev ua haujlwm zoo rau kev tiv thaiv daim siab thiab tshem tawm cov tshuaj lom, yog li nws feem ntau siv rau hauv kev kho mob ntawm daim siab kab mob xws li cirrhosis, fatty siab thiab ntau yam kab mob siab thiab mob ntev.Nws muaj txiaj ntsig zoo heev.
5. DL-Methionine tuaj yeem siv los ua zaub mov ntxiv.DL-Methionine muaj cov nyhuv tib yam nrog L-Methionine, tab sis DL-Methionine pheej yig dua.
6. DL-Methionine tuaj yeem tsim ua tus neeg sawv cev tsw.
7. DL-Methionine yog cov khoom noj khoom haus ntxiv.Tsiaj txhu thiab nqaij qaib tsis muaj Methionine, tuaj yeem ua rau kev loj hlob stunted, poob phaus, daim siab thiab lub raum ua haujlwm abate, nqaij atrophy, pluab, metamorphism thiab lwm yam.Ntxiv 1 kg Methionine, pub ntawm 50 kg ntses noj zaub mov muaj nqis.Pub nyob rau hauv cov ntsiab lus ntawm 0.05% mus rau 0.2%.

Sau koj cov lus ntawm no thiab xa tuaj rau peb