L-Asparagine Anhydrous CAS 70-47-3 (H-Asn-OH) Assay 99.0~101.0% Factory High Quality
Ko Shanghai Ruifu Chemical Co., Ltd. te kaihanga matua me te kaiwhakarato o L-Asparagine Anhydrous (Asn Anhydrous) (CAS: 70-47-3) me te kounga teitei, te kaha whakaputa 100 tons ia tau.Ka tukuna e Ruifu Chemical he raupapa waikawa amino me nga hua.Ka taea e maatau te tuku tuku puta noa i te ao, nga rahinga iti me te rahi e waatea ana.Mena ka hiahia koe ki te L-Asparagine Anhydrous,Please contact: alvin@ruifuchem.com
L-Asparagine Monohydrate (H-Asn-OH·H2O) CAS 5794-13-8
L-Asparagine Anhydrous (Asn Anhydrous; H-Asn-OH) CAS 70-47-3
| Ingoa matū | L-Asparagine Anhydrous |
| Nga kupu taurite | Asn Anhydrous;Asn;H-Asn-OH;L-Asparagine;L-(+)-Asparagine;Laevo-Asparagine;Asparagine;L-Aspartic Acid 4-Amide Anhydrous;(S)-2-Aminosuccinic Acid 4-Amide Anhydrous;Waikawa Aspartamic;Agedoite;Altheine;L-2,4-Diamino-4-Oxobutanoic Acid;L-Aspartamine;L-β-Asparagine |
| Tūnga Taonga | I roto i te Stock, Production Raukaha 100 Tons ia Tau |
| Tau CAS | 70-47-3 |
| Tātai rāpoi | C4H8N2O3 |
| Taumaha rāpoi | 132.12 |
| Iwi Whakarewa | 235℃(tikuri) (marama) |
| Kiato | 1.543 |
| Tairongo | Hygroscopic |
| Wairewa wai | Wairewa ki te wai, 20g/L (20 ℃) |
| Wairewa | Wairewa i roto i te waikawa, te turanga.Kare e whakarewahia ki te Methanol, Ethanol, Ether, Benzene |
| Te kakara | Te Taa reka |
| Rokiroki Temp. | He mea hiri ki te maroke, rokiroki i te pāmahana rūma |
| COA & MSDS | Kei te waatea |
| whakarōpūtanga | Waikawa Amino me nga pärönaki |
| Waitohu | Ruifu Chemical |
| Waehere morearea | Xn | F | 3-10 |
| Tauākī mōrearea | 20/21/22-36/37/38 | TSCA | Ae |
| Tauākī Haumaru | 24/25-36-26 | Te akomanga morearea | Whakariri |
| RIDADR | UN 2811 6.1 / PGIII | Waehere HS | 2922491990 |
| WGK Tiamana | 3 |
| Nga taonga | Nga Paerewa Tirotiro | Hua |
| Te ahua | Tioata ma, paura Tioata ranei | Ka rite |
| Tautuhinga | Spectrum Absorption Infrared | Ka rite |
| Hurihuri Tau [α]20/D | +34.2° ki te +36.5° (C=10, 3N HCl) | +34.8° |
| Whakawhitinga | ≥98.0% | 98.6% |
| Chloride (Cl) | ≤0.020% | <0.020% |
| pūkawa (SO4) | ≤0.020% | <0.020% |
| Haukinia (NH4) | ≤0.100% | <0.100% |
| Rino (Fe) | ≤10ppm | <10ppm |
| Konga Taamaha (hei Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1.0ppm | <1.0ppm |
| Ētahi atu waikawa Amino | ≤1.00% | 0.79% |
| Ngaronga i te whakamaroke | ≤0.50% (105℃, 3 hāora) | 0.17% |
| Te toenga i runga i te mura (Sulfated) | ≤0.10% | 0.06% |
| Te whakamatautau | 99.0~101.0% (i runga i te mea kua maroke) | 99.3% |
| Uara pH | 4.4 ki te 6.4 | 4.6 |
| Whakamātautau Microbiology | ||
| Tatau Pereti Tapeke | ≤1000cfu/g | Ka rite |
| Te rewena me te pokepokea ai | ≤100cfu/g | Ka rite |
| E.Coli | He kino | He kino |
| Haramona | He kino | He kino |
| Whakamutunga | Ka rite ki te Paerewa AJI97 / USP35 | |
Ko te Asparagine he waikore, kei roto ranei i tetahi ngota ngota o te wai whakamakuku.Kei roto ko te NLT 98.0% me te NMT 101.5% o C4H8N2O3, hei L-asparagine, kua tatauhia i runga i te whakamaroke.
WHAKATAUTANGA
• A. KAUPAPA INFRARED <197K>
[FAKATOKANGA-Whakamahia te USP Asparagine Anhydrous RS me te USP Asparagine Monohydrate RS mo te arotake i nga momo anhydrous me te monohydrate o Asparagine, ia.]
WHAKAMAHI
• TE WHAKAMAHI
Tauira: 130 mg
Pūnaha Titrimetric
(Tirohia Titrimetry <541>.)
Aratau: Te titration tika
Titrant: 0.1 N te waikawa perchloric VS
Patea: 3 mL o te waikawa formic i roto i te 50 mL o te waikawa ahetiki hukapapa
Te kitenga ira mutunga: Potentiometrically
Tātaritanga: Whakarewahia te Tauira ki te 3 mL o te waikawa formic i roto i te 50 mL o te waikawa ahetiki hukapapa.Whakaritehia he whakatau patea.
Tātaihia te ōrau o te asparagine (C4H8N2O3) i te Tauira i tangohia:
[(V − B) × N × F × 100]/W
V= rōrahi o te Titrant i pau i te Tauira (mL)
B = rōrahi o te Titrant i pau i te Patea (mL)
N = te noho noa o te Titrant (mEq/mL)
F = tauwehe rite mo te asparagine, 132.1 mg/mEq
W = te taumaha o te Tauira (mg)
Paearu whakaae: 98.0% -101.5% i runga i te whakamaroke
NGA POKE
• TOHUTOHU I RUNGA I TE MAHI <281>
Tauira: 1.0 g
Paearu whakaae: NMT 0.1%
• LEAD <251>
Tauira: 1 g
Whakahaerenga: 5 mL o te Wairewa Matataki Paerewa Kua Diluted (5 µg o Pb)
Paearu whakaae: NMT 5 ppm
• TE PARAU KORERO
Te otinga paerewa: 0.05 mg/mL o USP Asparagine Anhydrous RS ranei USP Asparagine Monohydrate RS
[FAKATOKANGA-Whakamahia te USP Asparagine Anhydrous RS me te USP Asparagine Monohydrate RS mo te arotake i nga momo anhydrous me te monohydrate o Asparagine, ia.]
Tauira otinga: 10 mg/mL
Pūnaha Chromatographic
(Tirohia te Chromatography <621>, Thin-Layer Chromatography.)
Adsorbent: 0.25-mm te paparanga o te ranunga chromatographic silica gel
Rōrahi tono: 5 µL
Te whakawhanake i te punaha whakarewa: Te waipiro Butyl, te waikawa acetic glacial, me te wai (3:1:1)
Reagent reagent: 2 mg/mL o te ninhydrin i roto i te waipiro butyl me te waikawa acetic glacial (19:1)
Tātaritanga
Tauira: otinga Paerewa me te otinga Tauira
Me haere tonu i roto i te waahanga whakamatautau whanui, ka whakamarokehia te pereti i te 80° mo te 30 meneti.Purihia te pereti ki te Reagent Reagent, whakamahana i te 80° mo te 10 meneti, ka tirotirohia i raro i te marama ma.
Paearu whakaae: Karekau he waahi tuarua mai i te otinga Tauira he nui ake, he kaha ake ranei i te waahi matua mai i te otinga Paerewa (0.5%), ka kitea he NMT 1.0% o nga poke katoa.
NGA WHAKAMATAUTANGA
• TE WHAKATAUTANGA OPTICAL, Te Hurihanga Motuhake <781S>
Tauira otinga: 10 mg/mL, i roto i te 6 N waikawa pūmāota
Paearu whakaae: +33.0° ki te +36.5°, ine i te 20°
• NGA WHAKAMAHI WHAKAMAHI KI TE WHAKAMAHI KI TE WHAKATAUTANGA MICROBIAL <61> me nga WHAKAMAHI MO TE WHAKAMAHI
MICROORGANISMS <62>: Ko te tapeke moroiti aerobic e kore e neke ake i te 1000 cfu/g, a ko te tapeke o nga pokepokea me te rewena kaore e neke ake i te 100 cfu/g.
• NGARO I TE WHAKAMAROKE <731>: Me whakamaroke he tauira ki te 130° mo te 3 haora: ka ngaro te NMT 1.0% o te taumaha o te ahua anhydrous, ka ngaro te monohydrate i waenga i te 11.5% me te 12.5% o tona taumaha.
HE WHAKAMAHI ATU
• TE PAKITANGA ME TE WHAKAPUTANGA: Whakaorangia ki roto i nga ipu kua kati, kia kore e marama.Rokiroki ki te pāmahana rūma.
• TApanga: Tapahia hei tohu mena he waikore, he monohydrate ranei.
• USP REFERENCE STANDARD <11>
USP Asparagine Anhydrous RS
USP Asparagine Monohydrate RS
Mōkī: Pounamu Fluorinated, Peeke pepa konumohe, 25kg / Cardboard Drum, kia rite ranei ki te hiahia a te kaihoko.
Te pumau: Pumau, engari he makuku-tairongo pea.He hotokore ki te kaha o te waiora.
Tikanga Rokiroki:Rokiroki i roto i nga ipu hiri ki te whare putunga matao, maroke me te whai hau kia matara atu i nga matū hotokore.Tiaki i te marama me te makuku.
Me pehea te hoko?Whakapā maiDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 tau te wheako?Neke atu i te 15 tau o matou wheako ki te hanga me te kaweake i te whānuitanga o nga momo takawaenga rongoa kounga teitei, matū pai ranei.
Nga maakete matua?Hokona ki te maakete kaainga, Amerika Te Tai Tokerau, Uropi, Inia, Korea, Hapani, Ahitereiria, aha atu.
Nga painga?Ko te kounga teitei, te utu utu, nga ratonga ngaio me te tautoko hangarau, te tuku tere.
KoungaWhakapumautanga?Pūnaha whakahaere kounga tino.Ko nga taputapu ngaio mo te tātari ko te NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Tauira?Ko te nuinga o nga hua e whakarato ana i nga tauira kore utu mo te aromatawai kounga, me utu nga utu kaipuke e nga kaihoko.
Te arotake a wheketere?Nau mai te arotake wheketere.Whakaritea he hui i mua.
MOQ?Kaore he MOQ.Ka whakaaetia te ota iti.
Wā Tukunga? Mena kei roto i nga taonga, e toru nga ra ka whakamanahia te tuku.
Te kawe waka?Ma te Express (FedEx, DHL), ma te Air, ma te Moana.
Tuhinga?I muri i te ratonga hokohoko: COA, MOA, ROS, MSDS, me etahi atu ka taea te whakarato.
Whakaritenga Whakaritenga?Ka taea te whakarato ratonga whakahiato ritenga kia pai ai to hiahia rangahau.
Nga tikanga utu?Ko te nama Proforma ka tukuna tuatahi i muri i te whakapumautanga o te ota, ka kohia o maatau korero peeke.Te utu ma te T/T (Telex Transfer), PayPal, Western Union, etc.
Ko te Asparagine [tohu Asn, N ranei] he waikawa α-amino matua e whakamahia ana i roto i te koiora o nga pūmua.Kei roto he roopu α-amino me te roopu waikawa α-carboxylic me te carboxamide mekameka taha.Ka whakarōpūtia hei polar [i te pH ahupūngao], waikawa amino aliphatic.Kare he mea nui i roto i te tangata, a ka taea te whakahiato de novo i roto i te tinana o te tangata.Mai i te ahua o te waehere ira i te wa o te whakahiato pūmua, ka whakawaeheretia e nga codons AAU me AAC.Ko te L-Asparagine he päröpü kore utu o te aspartate.
Te tono mo te L-Asparagine Anhydrous (Asn Anhydrous) (CAS: 70-47-3)
1. I roto i te rongoa, ka taea te whakamahi i te L-Asparagine ki te rongoa i te mate ngakau, te mate ate, te whakaheke toto, me te painga o te aukati me te whakaora i te ngenge.I te taha o nga momo waikawa amino, ka taea te hanga hei whaowhia waikawa amino, ka whakamahia hei rongoa haukini, he kaiwhakatairanga mahi ate, he kaihoko whakaora ngenge.
Ko te L-Asparagine he rongoa e whakamahia ana mo te whakaheke i te pehanga toto, te whakawhanui i te bronchus (huango), te whewhe anti-peptic me te mate puku.Te whakaheke i te toto toto, te bronchus (te huango), te whewhe anti-peptic me te mate puku.Whakamahia mo te ahurea microbial, maimoatanga parakaingaki o acrylonitrile, etc.
2. I roto i te ahumahi kai, ko te L-Asparagine he taapiri kai pai, he taapiri atu ki nga momo inu makariri;Koia hoki te tino rauemi o te monosodium glutamate reka (aspartame)-aspartate phenylalanine methyl ester.
He pai te mahi a Asparagine ki te whakaatu i nga mea hou me te tiaki.Ka whakamahia nuitia e L-Asparagine hei rongoa rongoa, hei whakaatu i nga mea hou me te antiseptic i roto i te umanga kai, ka taea te whakakapi i te monosodium glutamate.
3. I roto i te ahumahi matū, ka taea te whakamahi i te L-Asparagine hei rauemi mata o te kapia waihanga me te taapiri kai o nga mea whakapaipai.
