kev taw qhia
Peb cov khoom siv Landnutran acetylneuraminic acid sigma hmoov- qib high-purity reference-qib Neu5Ac ua los ntawm microbial fermentation thiab polished kom tau raws li cov kev lees paub niaj hnub cuam tshuam nrog Sigma-Aldrich analytical qauv. Qhov ntau-tswj, milligram-rau-kilogram cov ntaub ntawv no yog tsim los rau kev soj ntsuam kuaj, QC departments, thiab cov koom haum tshawb fawb cog lus uas xav tau ib tug txhim khu kev qha sab nraud tus qauv rau HPLC calibration, huab hwm coj spectrometry identification, los yog nyob rau hauv vitro glycobiology tshawb fawb. Txhua batch nkoj nrog daim ntawv pov thawj cov ntaub ntawv nplua nuj uas suav nrog HPLC thaj tsam-% purity, chiral purity, residual endotoxin los ntawm LAL, residual ya raws los ntawm Karl Fischer, thiab ib qho kev sib piv NMR spectrum tiv thaiv tus qauv siv ntawv pov thawj - tag nrho cov ntawv pov thawj ua ntej kom koj cov cuab yeej tsim nyog tuaj yeem ua mus yam tsis muaj kev sib cais hauv tsev. Cov hmoov yog crystalline, dawb mus rau-dawb, dawb soluble nyob rau hauv dej, thiab yog ntim nyob rau hauv argon nyob rau hauv septum-sealed iav vials los yog nqus-foil nruas, nyob ntawm seb qhov luaj li cas, los khaws lub anhydrous lub xeev uas analytical labs xav tau.
Specification: Ntau dua lossis sib npaug rau 99.0% (HPLC, qhuav hauv paus), Dej Tsawg dua lossis sib npaug rau 0.5%, Endotoxin Tsawg dua lossis sib npaug rau 0.1 EU / mg
Qauv: Muaj raws li 100-mg septum-sealed standard vial
Test method: HPLC / NMR / Karl Fischer / LAL / ICP-MS
Synonyms: N-Acetylneuraminic acid, Neu5Ac, sialic acid siv tus qauv, NANA txuj
MOQ: 100 mg (standard vial)|Ntim pob: 1kg lub hnab ntim ntawv, 25kg fiber nruas
Daim ntawv pov thawj: ISO 17025 (thib neeg thib peb), GMP, HACCP, HALAL, Kosher muaj
Source: Non-GMO microbial fermentation|CAS: 131-48-6 Nr
Cov yam ntxwv ntawm cov khoom
Qhov tsos -dawb mus rau dawb crystalline hmoov; free-flowing, tsis pom txawv teb chaws teeb meem.
Purity Specification -Ntau dua lossis sib npaug li 99.0% los ntawm HPLC thaj tsam normalization; feem ntau purity 99.5%; ntsig txog cov khoom sum<0.8%.
Chiral & Structure Identity -L-isomer tshwj xeeb, lees paub los ntawm chiral HPLC thiab ¹H/¹³C NMR; overlay tiv thaiv ib tug certified reference standard muab nyob rau hauv daim ntawv pov thawj.
Solubility & Reconstitution –dissolves tam sim ntawd hauv dej ntawm 100 g / L, muab cov tshuaj ntshiab, tsis muaj xim uas haum rau kev npaj theem mobile lossis cell-culture media supplementation.
Moisture & Residual Solvent -Cov ntsiab lus dej tsawg dua lossis sib npaug li 0.3% (Karl Fischer); tsis muaj cov tshuaj methanol, ethanol, lossis acetone siab dua 10 ppm.
COA
|
Yam khoom |
Specification |
Kev Xeem |
|---|---|---|
| Qhov tshwm sim | Dawb crystalline hmoov | Ua raws |
| Assay (HPLC, qhuav hauv paus) | Ntau dua lossis sib npaug li 99.0% | 99.5% |
| Chiral Purity (L-isomer) | Ntau dua lossis sib npaug li 99.9% | 99.95% |
| Dej (Karl Fischer) | Tsawg dua los yog sib npaug li 0.5% | 0.22% |
| Residue ntawm Ignition | Tsawg dua lossis sib npaug li 0.2% | 0.04% |
| Heavy Metals (raws li Pb) | Tsawg dua lossis sib npaug li 10 ppm | <2 ppm |
| Lead (Pb) | Tsawg dua lossis sib npaug li 1 ppm | <0.3 ppm |
| Tag Nrho Phaj suav | Tsawg dua lossis sib npaug li 100 cfu / g | <10 cfu/g |
| E. Coli / Salmonella | Tsis zoo | Tsis zoo |
Cov txiaj ntsig ntawm L 5 Methyltetrahydrofolate Powder
01 Npaj-rau-Siv Reference Standard - Pre-weighed, septum-sealed vials tshem tawm cov kauj ruam hauv kev tsim nyog, ua kom lub sij hawm luv luv rau HPLC thiab MS calibration.
02 Tsis sib xws Lot-to-Lot Consistency - Ib qho purity CV hauv qab 0.4% thiab chiral purity ntau tshaj 99.9% nyob rau hauv batch xyuas kom meej tias cov kev tshawb fawb mus sij hawm ntev tsis yog confounded los ntawm cov ntaub ntawv siv drift.
03 Endotoxin-Controlled rau Cell-Based Assays - Nrog endotoxin qib tsis tu ncua nyob rau hauv 0.05 EU / mg, cov hmoov tuaj yeem siv ncaj qha rau hauv vitro glycobiology tshawb fawb yam tsis muaj kev lim dej ntxiv.
04 Tag Nrho Cov Ntaub Ntawv Spectral - Txhua qhov ntau suav nrog NMR overlay tiv thaiv tus qauv siv tau ntawv pov thawj thiab chiral HPLC chromatogram, muab pov thawj sib npaug rau cov ntaub ntawv siv thawj zaug.
05 Stability-Indicating Methods Validated – Forced-degradation cov ntaub ntawv nyob rau hauv acid, alkali, oxidative, thiab thermal stress pab muab cov txheeb ze tuav sij hawm rau degradation cov khoom, tsim robustness rau koj validated txoj kev.
06 Dual Packaging for Lab & Production - Xaiv septum-vial ntim rau kev siv cov twj siv ncaj qha lossis lub tshuab nqus tsev foil nruas rau kev tsim cov ntawv thov, ob qho tib si tuav cov dej noo tsawg, tsis tshua muaj oxygen.
Daim ntawv thov teb
Cov ntaub ntawv siv rau QC Laboratories -Siv rau kev ntsuas qhov tsim nyog, kev kuaj xyuas qhov tseeb, thiab kev sib koom ua haujlwm hauv kev ua haujlwm hauv nutraceutical thiab kws tshuaj QC.
Glycobiology & Hauv Vitro Kev Tshawb Fawb -Ntxiv cov xov xwm ntawm tes-kev coj noj coj ua rau kev kawm txog sialylation, lectin khi, thiab kev sib cuam tshuam ntawm cov kab mob.
Pharmaceutical Excipient Characterization –Muab cov khoom siv rau kev txheeb xyuas thiab ntsuas qhov purity ntawm sialic acid-based excipients nyob rau hauv cov tshuaj formulations.
Txheej txheem ntau lawm
Tsis yog -GMO fermentation tsim Neu5Ac, purified, crystallized, qhuav thiab ntim raws li nruj cGMP & ISO 22000 tus qauv.
Khoom Zoo Zoo
Ntau dua lossis sib npaug li 99.0% HPLC purity nrog tag nrho chiral thiab NMR tus yam ntxwv - piv rau cov qauv siv raws li txoj cai.
Endotoxin<0.05 EU/mg, suitable for cell‑based assays and parenteral research.
Cov kuab tshuaj residual qis dua 10 ppm, tshaj USP<467>kev xav tau.
Septum-sealed argon-purged ntim khaws cia lub xeev tsis muaj dej thiab tiv thaiv oxidative degradation.
Real-time stability ntaub ntawv npog 36 lub hlis ntawm 2-8℃thiab 12 lub hlis ntawm 25 degree.
Batch-specific comparative NMR spectrum suav nrog - tsis tas yuav muaj kev lees paub thib peb ntxiv.
Export Daim Ntawv Pov Thawj
Peb tuav thiab tuaj yeem muab tag nrho cov ntaub ntawv tsim nyog rau kev lag luam thoob ntiaj teb:
Tsis yog -GMO Certificate / Nqe Lus Qhia
HACCP Certificate
ISO 22000 Daim Ntawv Pov Thawj Kev Tswj Xyuas Kev Nyab Xeeb Khoom Noj
Daim Ntawv Tso Cai FDA
Halal & Kosher Certificate (raws li thov)
Comprehensive Thib Peb- Cov Ntawv Qhia Txog Kev Xeem Xeem (SGS, Eurofins, thiab lwm yam)
Vim li cas thiaj xaiv peb
Peb homLandnutrakuj muaj customized ntim thiab analytical txhawb rau n acetylneuraminic acid sigma hmoov:
Custom Vial Formats: pre-weighed aliquots (10 mg, 50 mg, 100 mg) hauv amber lossis ntshiab septum vials nrog cov ntawv tshwj xeeb.
Bulk & Semi-Bulk: 1-kg lub tshuab nqus tsev foil hnab thiab 25-kg fiber nruas rau cov neeg siv khoom tsim khoom.
Cov khoom siv sib xyaw ua ke: cov qauv sib xyaw uas muaj Neu5Ac, Neu5Gc, thiab lwm yam sialic acid derivatives rau ntau txoj kev ntsuas kev txhim kho.
Cov ntaub ntawv pov thawj: txuas ntxiv COA, SDS, GMP daim ntawv pov thawj, daim ntawv qhia kev ruaj ntseg, thiab NMR spectra rau kev tswj xyuas.
Rau cov lus hais lossis thov kom 100-mg tus qauv vial rau kev soj ntsuam, hu rau Email:wangjing@landnutra.comlos yog WhatsApp: +86 18092657549 - peb teb tsis pub dhau ib hnub ua hauj lwm nrog tag nrho cov ntaub ntawv.
FAQ
Q1: Dab tsi ua rau qhov no yog "sigma hmoov" ntau dua li cov khoom siv loj?
A: Nws yog tsim thiab sim mus rau qib ntawm Sigma-Aldrich analytical qauv: Ntau dua los yog sib npaug rau 99% purity, chiral purity tau lees paub los ntawm HPLC thiab NMR, endotoxin Tsawg dua lossis sib npaug rau 0.05 EU / mg, thiab nws tau ntim raws li argon hauv septum-sealed vials rau kev siv ncaj qha.
Q2: Kuv puas tuaj yeem siv cov hmoov no ncaj qha rau HPLC calibration yam tsis muaj kev lim dej ntxiv?
A: Yog. Txhua lub vial yog ntsuas ua ntej thiab ntsuas ua ntej, thiab COA muab HPLC purity tus nqi uas tuaj yeem nkag mus rau hauv koj txoj kev ntsuas ntsuas yam tsis tas yuav tsum tau ziab lossis tshuaj ntsuam ntxiv.
Q3: Puas yog cov khoom tsim nyog rau kev coj noj coj ua ntawm tes lossis hauv vitro glycobiology kev sim?
A: Yog lawm. Nrog rau cov tshuaj endotoxin niaj hnub qis dua 0.05 EU / mg thiab cov ntaub ntawv siab-purity, cov hmoov tau dav siv los ua kev tshaj tawm ntxiv rau kev tshawb fawb sialylation thiab kev soj ntsuam lectin-binding.
Q4: Lub txee lub neej ntev npaum li cas, thiab qhov kev pom zoo khaws cia yog dab tsi?
A: Real-time stability cov ntaub ntawv txhawb nqa 36 lub hlis ntawm 2-8℃nyob rau hauv lub ntim thawj ntim. Rau kev siv sijhawm luv luv, cov hmoov yog ruaj khov rau 12 lub hlis ntawm chav tsev kub hauv lub thawv ntim khoom ntim.
Q5: Cov ntaub ntawv dab tsi koj muab rau kev tswj xyuas lossis kev lees paub kev kuaj xyuas?
A: Peb muab batch-specific COA, NMR spectral overlay tiv thaiv tus qauv siv ntawv pov thawj, chiral HPLC kab, cov ntsiab lus ruaj khov, thiab cov ntaub ntawv pov thawj thib peb rau cov hlau hnyav, endotoxins, thiab cov kuab tshuaj seem.
Cim npe nrov: Tuam Tshoj acetylneuraminic acid sigma hmoov manufacturers, lwm tus neeg