L-Asparagine Anhydrous CAS 70-47-3 (H-Asn-OH) Assay 99.0 ~ 101.0% Factory High Quality
Shanghai Ruifu Chemical Co., Ltd bụ onye na-emepụta ihe na onye na-ebubata L-Asparagine Anhydrous (Asn Anhydrous) (CAS: 70-47-3) nwere àgwà dị elu, ikike mmepụta 100 tọn kwa afọ.Ruifu Chemical na-enye usoro amino asịd na ihe mpụta.Anyị nwere ike ịnye nnyefe zuru ụwa ọnụ, obere na nnukwu ọnụọgụ dị.Ọ bụrụ na ịchọrọ 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
| Aha Chemical | L-asparagine anhydrous |
| Ụdị okwu | 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;aspartamic acid;Agedoite;Altheine;L-2,4-Diamino-4-Oxobutanoic Acid;L-aspartamine;L-β-asparagine |
| Ọnọdụ Ahịa | N'ahịa, ikike nrụpụta 100 tọn kwa afọ |
| Nọmba CAS | 70-47-3 |
| Usoro ihe omimi | C4H8N2O3 |
| Ibu molekụla | 132.12 |
| Ebe Na-agbaze | 235 ℃ (Dec.) (ọkụ) |
| Njupụta | 1.543 |
| Mmetụta | Hygroscopic |
| Mmiri Solubility | Soluble na mmiri, 20g/L (20℃) |
| Solubility | Soluble na Acids, Bases.Na-adịghị ike na methanol, Ethanol, Ether, Benzene |
| Isi | Ụtọ ụtọ dị ntakịrị |
| Okpomọkụ nchekwa. | Edechiri ya na nkụ, na-echekwa na okpomọkụ ụlọ |
| COA & MSDS | Dị |
| Nhazi | Amino Acids & Mwepụta |
| Ụdị | Ruifu Chemical |
| Koodu egwu | Xn | F | 3-10 |
| Nkwupụta ihe egwu | 20/21/22-36/37/38 | TSCA | Ee |
| Nkwupụta nchekwa | 24/25-36-26 | Klas Hazard | Iwe iwe |
| RIDADR | UN 2811 6.1 / PGIII | Koodu HS | 2922491990 |
| WGK Germany | 3 |
| Ihe | Ụkpụrụ nyocha | Nsonaazụ |
| Ọdịdị | Crystal White ma ọ bụ ntụ ntụ kristal | Dabara |
| njirimara | Infrared absorption Spectrum | Dabara |
| Ntụgharị a kapịrị ọnụ [α]20/D | +34.2° ruo +36.5° (C=10, 3N HCl) | + 34.8 ° |
| nnyefe | ≥98.0% | 98.6% |
| Chloride (Cl) | ≤0.020% | <0.020% |
| Sulfate (SO4) | ≤0.020% | <0.020% |
| Ammonium (NH4) | ≤0.100% | <0.100% |
| Ígwè (Fe) | ≤10ppm | <10ppm |
| Ọla dị arọ (dị ka Pb) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1.0pm | <1.0pm |
| Amino acid ndị ọzọ | ≤1.00% | 0.79% |
| Ọnwụ na ihicha | ≤0.50% (105℃, awa 3) | 0.17% |
| Ihe fọdụrụ na mgbanye (Sulfated) | ≤0.10% | 0.06% |
| Nyocha | 99.0 ~ 101.0% (na akpọnwụwo) | 99.3% |
| Uru pH | 4.4 ruo 6.4 | 4.6 |
| Nnwale Microbiology | ||
| Ngụkọta ọnụ ọgụgụ efere | ≤1000cfu/g | Dabara |
| Yist & ebu | ≤100cfu/g | Dabara |
| E.Coli | Ihe ọjọọ | Ihe ọjọọ |
| Salmonella | Ihe ọjọọ | Ihe ọjọọ |
| Mmechi | Dị ka ọkọlọtọ AJI97/USP35 si dị | |
Asparagine bụ mmiri na-ekpo ọkụ, ma ọ bụ nwere otu molekul mmiri nke hydration.Ọ nwere NLT 98.0% na NMT 101.5% nke C4H8N2O3, dị ka L-asparagine, gbakọọ na akpọnwụwo ndabere.
Nchọpụta
• A. INFRARED ABSORPATION <197K>
[IHE-Jiri USP Asparagine Anhydrous RS na USP Asparagine Monohydrate RS maka nyocha nke ụdị anhydrous na monohydrate nke Asparagine, n'otu n'otu.]
ASSAY
• Usoro
Ihe atụ: 130 mg
Titrimetric usoro
(Lee Titrimetry <541>.)
Ụdị: Direct titration
Titrant: 0.1 N perchloric acid VS
Oghere: 3 ml nke formic acid na 50 ml nke glacial acetic acid
Nchọpụta njedebe: enwere ike
Nyocha: gbazee ihe nlele ahụ na 3 ml nke formic acid na 50 ml nke glacial acetic acid.Mee mkpebi efu.
Gbakọọ pasent asparagine (C4H8N2O3) n'ihe nlele emere:
[(V - B) × N × F × 100]/W
V = olu Titrant nke Sample (mL) riri.
B = olu Titrant nke oghere (mL) na-eri.
N = ezigbo ọnọdụ nke Titrant (mEq/ml)
F = ihe nhata maka asparagine, 132.1 mg/mEq
W = arọ nke ihe nlele (mg)
Usoro nnabata: 98.0% -101.5% na ntọala akpọnwụwo
IHE adịghị ọcha
• AKWỤKWỌ NA MKWAGHỊ <281>
Ihe atụ: 1.0 g
Usoro nnabata: NMT 0.1%
• NDUZI <251>
Ihe atụ: 1 g
Njikwa: 5 ml nke Ngwọta Ọkachamara Ọkachamara Diluted (5 μg nke Pb)
Usoro nnabata: NMT 5 ppm
• CHROMATỌGRAPHIC dị ọcha
Ngwọta ọkọlọtọ: 0.05 mg / mL nke USP Asparagine Anhydrous RS ma ọ bụ USP Asparagine Monohydrate RS
[IHE-Jiri USP Asparagine Anhydrous RS na USP Asparagine Monohydrate RS maka nyocha nke ụdị anhydrous na monohydrate nke Asparagine, n'otu n'otu.]
Ngwọta nlele: 10 mg / ml
Sistemụ chromatographic
(Lee Chromatography <621>, Chromatography nke dị obere.)
Adsorbent: 0.25-mm oyi akwa nke chromatographic silica gel ngwakọta
Olu ngwa: 5µL
Sistemụ ihe mgbaze na-emepe emepe: mmanya butyl, glacial acetic acid, na mmiri (3:1:1)
Mgbasa reagent: 2 mg / ml nke ninhydrin na mmanya butyl na glacial acetic acid (19: 1)
Nyocha
Ihe atụ: Ngwọta ọkọlọtọ na ngwọta nlele
Gaa n'ihu dị ka a gwara ya na isi ule n'ozuzu, wee kpochaa efere ahụ na 80 Celsius maka 30 min.Fesa efere ahụ na ihe nrịbama Spray, kpoo ọkụ na 80 Celsius maka nkeji 10, wee nyochaa n'okpuru ìhè ọcha.
Nkwenye nnabata: Ọ nweghị ntụpọ nke abụọ sitere na ngwọta Sample buru ibu ma ọ bụ ka njọ karịa ebe bụ isi sitere na ngwọta Standard (0.5%), yana NMT 1.0% nke adịghị ọcha zuru oke.
Nnwale akọwapụtara
• Ntụgharị anya, ntụgharị a kapịrị ọnụ <781S>
Ngwọta nlele: 10 mg/mL, na 6 N hydrochloric acid
Ụkpụrụ nnabata: +33.0° ruo +36.5°, tụrụ na 20°
• Nnwale ọnụọgụ MICROBIAL <61> na anwale maka akọwapụtara
MICROORGANISMS <62>: Ngụkọta ọnụ ọgụgụ microbial aerobic anaghị agafe 1000 cfu/g, yana ngụkọta agwakọta ebu na yist anaghị agafe 100 cfu/g.
• Ọnwụ na-ehicha <731>: Kpochapụ ihe nlele na 130 ° maka awa 3: ụdị anhydrous na-efunahụ NMT 1.0% nke ibu ya, na monohydrate na-efunahụ n'etiti 11.5% na 12.5% nke ibu ya.
NKWUO GBASARA YA
• Nkwakọba na Nchekwa: Chekwaa n'ime akpa mechiri emechi nke ọma.Na-echekwa na ụlọ okpomọkụ.
• Ịkpọ aha: Kpọọ ya ka ọ gosi ma ọ bụ mmiri na-ekpo ọkụ ma ọ bụ monohydrate.
• Ụkpụrụ ntụaka USP <11>
USP asparagine Anhydrous RS
USP asparagine Monohydrate RS
ngwugwu: Fluorinated Bottle, Aluminom foil bag, 25kg / Cardboard Drum, ma ọ bụ dị ka ndị ahịa chọrọ.
Nkwụsi ike: Kwụsie ike, mana ọ nwere ike bụrụ nke nwere mmetụta iru mmiri.Ekwekọrịtaghị na ndị ọrụ oxidizing siri ike.
Ọnọdụ Nchekwa:Chekwaa n'ime akpa mechiri emechi n'ụlọ nkwakọba ihe dị jụụ, kpọrọ nkụ na ikuku ikuku na-anọghị n'ihe na-ekwekọghị ekwekọ.Chebe site na ìhè na mmiri mmiri.
Kedu ka esi azụta?Biko kpọtụrụDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
Ahụmịhe afọ 15?Anyị nwere ihe karịrị 15 afọ nke ahụmahụ na mmepụta na mbupụ nke a dịgasị iche iche nke elu mma pharmaceutical intermediates ma ọ bụ ezi kemịkal.
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OgoNkwenye?Usoro njikwa mma siri ike.Ngwá ọrụ ọkachamara maka nyocha gụnyere NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, wdg.
Ihe atụ?Ọtụtụ ngwaahịa na-enye ihe nlele efu maka nyocha dị mma, ndị ahịa kwesịrị ịkwụ ụgwọ mbupu.
Nyocha ụlọ ọrụ?Nnabata nyocha ụlọ ọrụ.Biko mee oge oge tupu oge eruo.
MOQ?Enweghị MOQ.A na-anabata obere usoro.
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Ụgbọ njem?Site Express (FedEx, DHL), nke ikuku, site n'oké osimiri.
Akwụkwọ?Mgbe ọrụ ahịa gasịrị: COA, MOA, ROS, MSDS, wdg nwere ike ịnye.
Synthesis omenala?Nwere ike ịnye ọrụ nhazi ahaziri iche ka ọ dabara mkpa nyocha gị nke ọma.
Usoro ịkwụ ụgwọ?A ga-ebu ụzọ ziga akwụkwọ ọnụahịa Proforma mgbe nkwenye nke iwu, kpuchiri ozi ụlọ akụ anyị.Ịkwụ ụgwọ site na T/T (Telex Nyefee), PayPal, Western Union, wdg.
Asparagine [akara Asn ma ọ bụ N] bụ isi α-amino acid nke a na-eji na biosynthesis nke protein.O nwere otu α-amino na otu α-carboxylic acid yana carboxamide n'akụkụ yinye.A na-ekewa ya dị ka polar [na pH physiological], amino acid aliphatic.Ọ dịghị mkpa n'ime ụmụ mmadụ, ọ pụkwara ịmalite de novo synthesis n'ime ahụ mmadụ.Site n'akụkụ koodu mkpụrụ ndụ ihe nketa n'oge njikọ protein, codons AAU na AAC debere ya.L-asparagine bụ ihe nrụpụta aspartate anaghị akwụ ụgwọ.
Ngwa nke L-Asparagine Anhydrous (Asn Anhydrous) (CAS: 70-47-3)
1. Na nkà mmụta ọgwụ, L-Asparagine nwere ike iji na-agwọ ọrịa obi, ọrịa imeju, ọbara mgbali elu, na mmetụta nke igbochi na iweghachi ike ọgwụgwụ.Ya na amino acid dị iche iche, enwere ike ịme ya ka ọ bụrụ amino acid infusion, nke a na-eji dị ka amonia antidote, onye na-akwalite ọrụ imeju, onye na-agbake ike ọgwụgwụ.
L-Asparagine bụ ọgwụ a na-eji ebelata ọbara mgbali, dilating bronchus (asthma), mgbochi peptic ọnyá afọ na gastric dysfunction.Mbelata ọbara mgbali elu, bronchus na-agbasa (asthma), ọnya mgbochi peptic na arụ ọrụ afọ.Ejiri ya maka omenala microbial, ọgwụgwọ nsị nke acrylonitrile, wdg.
2. Na ụlọ ọrụ nri, L-Asparagine bụ ihe mgbakwunye nri dị mma, gbakwunyere na ihe ọṅụṅụ dị iche iche dị jụụ;Ọ bụkwa isi akụrụngwa nke ụtọ monosodium glutamate (aspartame) -aspartate phenylalanine methyl ester.
Asparagine nwere ezigbo ọrụ nke ikpughe ọhụrụ na nchekwa.L-asparagine na-ejikarị dị ka nkwadebe ọgwụ ma ọ bụ ikpughe ọhụrụ na antiseptik na ọrụ nri, ma nwee ike dochie monosodium glutamate.
3. Na ụlọ ọrụ kemịkalụ, L-Asparagine nwere ike iji dị ka akụrụngwa nke resin sịntetik na ihe mgbakwunye nri nke ịchọ mma.
