L-Asparagine Anhydrous CAS 70-47-3 (H-Asn-OH) Uvavanyo 99.0 ~ 101.0% Umgangatho ophezulu weFactory
I-Shanghai Ruifu Chemical Co., Ltd. ngumenzi ohamba phambili kunye nomthengisi we-L-Asparagine Anhydrous (Asn Anhydrous) (i-CAS: 70-47-3) enomgangatho ophezulu, amandla okuvelisa iitoni ezili-100 ngonyaka.I-Ruifu Chemical ibonelela ngothotho lwee-amino acids kunye nezinto eziphuma kuzo.Sinokubonelela ngeenkonzo zehlabathi, ezincinci kunye nezixa ezininzi ezikhoyo.Ukuba ufuna i-L-Asparagine Anhydrous,Please contact: alvin@ruifuchem.com
I-L-Asparagine Monohydrate (H-Asn-OH · H2O) CAS 5794-13-8
I-L-Asparagine Anhydrous (i-Asn Anhydrous; i-H-Asn-OH) i-CAS 70-47-3
| Igama leMchiza | L-Asparagine Anhydrous |
| Izithethantonye | I-Asn Anhydrous;Asn;H-Asn-OH;L-Asparagine;L-(+)-Asparagine;iLaevo-Asparagine;iAsparagine;I-L-Aspartic Acid 4-Amide Anhydrous;(S) -2-Aminosuccinic Acid 4-Amide Anhydrous;Aspartamic Acid;Agedoite;Altheine;L-2,4-Diamino-4-Oxobutanoic Acid;L-Aspartamine;I-L-β-Asparagine |
| Ubume beStokhwe | KwiSitokhwe, Umthamo weMveliso iiToni ezili-100 ngonyaka |
| Inombolo yeCAS | 70-47-3 |
| Ifomula yeemolekyuli | C4H8N2O3 |
| Ubunzima beMolekyuli | 132.12 |
| Indawo yokunyibilika | 235℃(dec.) (lit.) |
| Ukuxinana | 1.543 |
| Inovakalelo | Hygroscopic |
| Ukunyibilika kwamanzi | Inyibilika emanzini, 20g/L (20℃) |
| Ukunyibilika | Inyibilika kwi-Acids, iziseko.Ayinyibiliki kwiMethanol, Ethanol, Ether, Benzene |
| Ivumba | Incasa Kancinci eSweet |
| Ugcino Temp. | Itywinwe kwindawo eyomileyo, iVenkile kwindawo yobushushu beGumbi |
| I-COA kunye ne-MSDS | Iyafumaneka |
| Ukuhlelwa | Amino Acids & Derivatives |
| Uphawu | Ruifu Chemical |
| Iikhowudi zeNgozi | Xn | F | 3-10 |
| Iingxelo zoMngcipheko | 20/21/22-36/37/38 | I-TSCA | Ewe |
| Iingxelo zoKhuseleko | 24/25-36-26 | IKlasi yeeNgozi | Iyacaphukisa |
| I-RIDADR | UN 2811 6.1 / PGIII | Ikhowudi ye-HS | 2922491990 |
| WGK eJamani | 3 |
| Izinto | ImiGangatho yokuHlola | Iziphumo |
| Imbonakalo | Iikristale eziMhlophe okanye umgubo weCrystalline | Iyahambelana |
| Ukuchongwa | I-Infrared Absorption Spectrum | Iyahambelana |
| Ukujikeleziswa okuthe ngqo [α]20/D | +34.2 ° ukuya +36.5 ° (C=10, 3N HCl) | + 34,8 ° |
| Ugqithiso | ≥98.0% | 98.6% |
| Ikloridi (Cl) | ≤0.020% | <0.020% |
| Isulfate (SO4) | ≤0.020% | <0.020% |
| I-Ammonium (NH4) | ≤0.100% | <0.100% |
| Intsimbi (Fe) | ≤10ppm | <10ppm |
| Iintsimbi ezinzima (njenge Pb) | ≤10ppm | <10ppm |
| IArsenic (As2O3) | ≤1.0ppm | <1.0ppm |
| Ezinye iiAmino Acids | ≤1.00% | 0.79% |
| Ilahleko ekomisweni | ≤0.50% (105℃, iiyure ezi-3) | 0.17% |
| Intsalela ekutshisweni (iSulfated) | ≤0.10% | 0.06% |
| Isivavanyi | 99.0 ~ 101.0% (kwisiseko esomileyo) | 99.3% |
| Ixabiso le-pH | 4.4 ukuya ku-6.4 | 4.6 |
| Uvavanyo lweMicrobiology | ||
| Ukubalwa kwePleti iyonke | ≤1000cfu/g | Iyahambelana |
| Igwele kunye noMngundo | ≤100cfu/g | Iyahambelana |
| E.Coli | Ibi | Ibi |
| Salmonella | Ibi | Ibi |
| Ukuqukumbela | Ngokuvumelana nomgangatho we-AJI97 / USP35 | |
I-Asparagine i-anhydrous, okanye iqulethe i-molecule enye yamanzi e-hydration.Iqulethe i-NLT 98.0% kunye ne-NMT 101.5% ye-C4H8N2O3, njenge-L-asparagine, ibalwe ngesiseko esomileyo.
UKUCHAZA
• A. UKUFUNWA KWE-IFRARED <197K>
[QAPHELA-Sebenzisa i-USP Asparagine Anhydrous RS kunye ne-USP Asparagine Monohydrate RS yokuvavanya i-anhydrous kunye ne-monohydrate iifom ze-Asparagine, ngokulandelanayo.]
UVAVANYO
• INKQUBO
Isampulu: 130 mg
Inkqubo yeTitrimetric
(Jonga i-Titrimetry <541>.)
Imowudi: Ukubhalwa ngokuthe ngqo
I-Titrant: 0.1 N i-perchloric acid VS
Akunanto: 3 mL yefomic acid kwi50mL yeglacial acetic acid
Ukubonwa kwendawo yokugqibela: Potentiometrically
Uhlalutyo: Nciphisa iSampulu nge-3 mL ye-asidi ye-formic kwi-50 mL ye-glacial acetic acid.Yenza isigqibo esingenanto.
Bala ipesenti ye-asparagine (C4H8N2O3) kwiSampuli ethathiweyo:
[(V − B) × N × F × 100]/W
V= umthamo weTitrant esetyenziswe yiSampuli (mL)
B = umthamo we-Titrant esetyenziswe yi-Gank (mL)
N = ukuqheleka okwenyani kweTitrant (mEq/mL)
F = i-equivalency factor for asparagine, 132.1 mg/mEq
W = ubunzima beSampuli (mg)
Indlela yokwamkela: 98.0% -101.5% kwisiseko esomileyo
UBUNGCOLA
• INTSALELA YOKUBASA <281>
Isampulu: 1.0 g
Indlela yokwamkelwa: NMT 0.1%
• INKOKELI <251>
Isampulu: 1 g
Ulawulo: 5 mL yeSisombululo esiDiluted esiPhakathi seNkokheli (5 µg yePb)
Indlela yolwamkelo: NMT 5 ppm
• UBUNCUNGULO WEKHROMATOGRAPHIC
Isisombululo esisemgangathweni: 0.05 mg / mL ye-USP Asparagine Anhydrous RS okanye i-USP Asparagine Monohydrate RS
[QAPHELA-Sebenzisa i-USP Asparagine Anhydrous RS kunye ne-USP Asparagine Monohydrate RS yokuvavanya i-anhydrous kunye ne-monohydrate iifom ze-Asparagine, ngokulandelanayo.]
Isisombululo sesampuli: 10 mg / mL
Inkqubo yeChromatographic
(Jonga iChromatography <621>, iChromatography eThin-Layer.)
I-Adsorbent: 0.25-mm umaleko we-chromatographic umxube we-silica gel
Umthamo wosetyenziso: 5 µL
Ukuphuhlisa inkqubo yokunyibilikisa: I-butyl alcohol, glacial acetic acid, kunye namanzi (3:1:1)
I-reagent yokutshiza: 2 mg/mL ye-ninhydrin kwi-butyl alcohol kunye ne-glacial acetic acid (19:1)
Uhlalutyo
Iisampulu: Isisombululo esisemgangathweni kunye nesisombululo seSampuli
Qhubeka njengoko kuqondiswe kwisahluko sovavanyo ngokubanzi, uze womise iplate kwi-80 ° ye-30 min.Gcoba ipleyiti nge-Reagent yokutshiza, ubushushu kwi-80 ° imizuzu eyi-10, kwaye uhlolisise phantsi kokukhanya okumhlophe.
Indlela yolwamkelo: Akukho ndawo yesibini kwisisombululo seSampuli inkulu okanye iqatha kunendawo ephambili ukusuka kwisisombululo esiPhakathi (0.5%), kunye ne-NMT 1.0% yokungcola okupheleleyo kufunyenwe.
IIMVAVANYO EZITHILE
• UKUJONGISWA KOMBONISO, ukujikeleziswa okuthe ngqo <781S>
Isisombululo sesampuli: 10 mg / mL, kwi-6 N hydrochloric acid
Indlela yokumkela: + 33.0 ° ukuya +36.5 °, ilinganiswe kwi-20 °
• IIMVAVANYO ZOBALO LWE-MICROBIAL <61> kunye noVAVANYO ECACILEYO
I-MICROORGANISMS <62>: Ubalo lulonke lwe-aerobic microbial aludluli i-1000 cfu/g, kwaye inani elipheleleyo lokungunda kunye ne-yeast count ayidluli kwi-100 cfu/g.
• UKULAHLEKO EKOMISENI <731>: Yomisa isampuli kwi-130° nge-3 h: ifom ye-anhydrous ilahlekelwa yi-NMT 1.0% yobunzima bayo, kwaye i-monohydrate ilahlekelwa phakathi kwe-11.5% kunye ne-12.5% yobunzima bayo.
IIMFUNO EZONGEZELELWEYO
• UKUPAKISHWA NOKUGCINWA: Londoloza kwizikhongozeli ezivaliweyo, ezikwaziyo ukumelana nokukhanya.Gcina kwiqondo lokushisa.
• UKULEBULA: Yileyibhelishe ukubonisa ukuba ayinamanzi okanye yimonohydrate.
• IMIGANGATHO YE-USP REFERENCE <11>
USP Asparagine Anhydrous RS
USP Asparagine Monohydrate RS
Iphakheji: Ibhotile eFluorinated, iAluminium foil bag, 25kg/Cardboard Drum, okanye ngokwemfuno yomthengi.
Uzinzo: Izinzile, kodwa inokuba buthathaka ukufuma.Ayihambelani ne-oxidizing agents ezinamandla.
Imeko yoGcino:Gcina kwizikhongozeli ezivaliweyo kwindawo yokugcina impahla epholileyo, eyomileyo nengena umoya kude nezinto ezingahambelaniyo.Khusela ukukhanya kunye nokufuma.
Ukuthenga njani?Nceda uqhagamshelaneDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
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Iisampulu?Uninzi lweemveliso zibonelela ngeesampulu zasimahla zokuvavanya umgangatho, iindleko zokuthumela kufuneka zihlawulwe ngabathengi.
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I-Asparagine [i-symbol Asn okanye i-N] yinto ephambili ye-α-amino acid esetyenziswa kwi-biosynthesis yeeprotheni.Iqulethe iqela le-α-amino kunye neqela le-α-carboxylic acid kunye ne-side chain carboxamide.Ihlelwa njengepolar [kwi-physiological pH], i-aliphatic amino acid.Ayibalulekanga ebantwini, kwaye inokungena kwi-de novo synthesis ngaphakathi emzimbeni womntu.Ukusuka kwinkalo yekhowudi yezofuzo ngexesha leprotheyini yeprotheyini, ifakwe kwi-codons AAU kunye ne-AAC.I-L-Asparagine yinto ephuma ngaphandle kwe-aspartate.
Ukusetyenziswa kwe-L-Asparagine Anhydrous (i-Asn Anhydrous) (i-CAS: 70-47-3)
1. Kwiyeza, i-L-Asparagine ingasetyenziselwa ukunyanga isifo senhliziyo, isifo sesibindi, uxinzelelo lwegazi, kunye nomphumo wokukhusela nokubuyisela ukukhathala.Kunye neentlobo ngeentlobo ze-amino acids, inokwenziwa ibe yi-amino acid infusion, esetyenziswa njenge-ammonia antidote, umkhuthazi wesibindi, iarhente yokubuyisela ukukhathala.
I-L-Asparagine sisiyobisi esisetyenziselwa ukwehlisa uxinzelelo lwegazi, ukuhlanjululwa kwe-bronchus (i-asthma), isilonda se-anti-peptic kunye nokungasebenzi kakuhle kwesisu.Ukunciphisa uxinzelelo lwegazi, i-bronchus (i-asthma), i-anti-peptic ulcer kunye nokungasebenzi kakuhle kwesisu.Isetyenziselwa inkcubeko ye-microbial, unyango lwamanzi amdaka e-acrylonitrile, njl.
2. Kwishishini lokutya, i-L-Asparagine yongezelela isondlo esilungileyo, eyongezwe kwiintlobo ezahlukeneyo zeziphuzo ezipholileyo;Ikwayimathiriyeli ekrwada ephambili yesweet monosodium glutamate (aspartame)-aspartate phenylalanine methyl ester.
I-Asparagine inomsebenzi olungileyo wokutyhila okutsha kunye nokugcinwa.I-L-Asparagine isetyenziswa ngokubanzi njengendawo yokulungiselela amayeza okanye ukuveza okutsha kunye ne-antiseptic kumsebenzi wokutya, kwaye inokungena endaweni ye-monosodium glutamate.
3. Kwimizi-mveliso yeekhemikhali, i-L-Asparagine ingasetyenziswa njengento ekrwada ye-synthetic resin nanjengesongezo sesondlo sezithambiso.
