5-Nitroisatinfeem ntau tshwm li txiv kab ntxwv mus rau daj crystalline hmoov. Muaj qhov sib txawv tseem ceeb hauv solubility hauv cov kuab tshuaj sib txawv. Nyob rau hauv lub zog acidic media xws li concentrated sulfuric acid, yuav tsim ib tug brownish dub kua; Lub solubility nyob rau hauv lwm yam organic solvents yuav tsum tau xyuas los ntawm kev sim. Cov yam ntxwv solubility no muaj kev cuam tshuam loj rau kev tsim ntawm nws txoj kev sib txuas thiab kev ua kom huv. Bloomtechz tau sau cov kev paub zoo tshaj plaws hauv kev tsim khoom thiab kev ua kom huv ntawm 5-Nitroisatin, peb pab pawg R & D tau txiav txim siab txog qhov tshwj xeeb solubility ntawm cov khoom no thaum optimizing ntau lawm workflows, xaiv cov kuab tshuaj uas tsim nyog thiab recrystallization tsis tau los txo cov residual hnyav thiab lwm yam impurities, kom ruaj khov batch downstreams purity rau cov neeg siv khoom.
|
Tshuaj Formula |
C8H4N2O4 |
|
Exact Mass |
192 |
|
Molecular Luj |
192 |
|
m/z |
192 (100.0%), 193 (8.7%) |
|
Elemental Analysis |
C, 50.01; H, 2.10; N, 14.58; O, 33.31 |
|
|
|
Chemical Properties
5-Nitroisatin yog ib qho khoom nyob rau hauv chav tsev kub, nrog lub melting point ntawm kwv yees li 251℃(decomposition). Nws qhov ntsuas kub tau kwv yees yog nyob ib puag ncig 407.64 degree, thiab nws qhov ceev kwv yees kwv yees li 1.6 g / cm³. Cov compound no kuj ruaj khov nyob rau hauv cov qauv txheej txheem tab sis yuav decompose nyob rau hauv siab kub los yog nyob rau hauv muaj zog acids los yog bases. Nws solubility nyob rau hauv dej yog tsawg, tab sis nws muaj peev xwm yaj nyob rau hauv cov organic solvents xws li ethanol, dimethylformamide (DMF), thiab chloroform, uas yooj yim rau nws siv nyob rau hauv ntau yam tshuaj.
Cov qauv ntawm 5-Nitroisatin muaj ib lub nplhaib indole nrog ib pawg carbonyl (C=O) ntawm txoj haujlwm 2 thiab 3, thiab ib pab pawg nitro ntawm txoj hauj lwm 5. Qhov kev npaj ntawm cov pab pawg ua haujlwm no ua rau nws cov yam ntxwv reactivity, ua rau nws koom nrog ntau yam tshuaj hloov pauv, suav nrog kev hloov pauv nucleophilic, kev hloov pauv, thiab kev hloov pauv.
5-Nitroisatin(CAS naj npawb 611-09-6) yog ib qho tseem ceeb organic synthetic intermediate, tshuaj hu ua 5-nitro-2,3indoledione. Nws cov qauv molecular tshwj xeeb tau pom tias muaj peev xwm siv tau ntau yam hauv ntau yam xws li tshuaj, tshuaj engineering, thiab dyes.
Nyob rau hauv lub teb ntawm tshuaj synthesis
1. Cov tshuaj tua kab mob thiab tshuaj tua kab mob
5-nitroindigo thiab nws cov derivatives tau pom muaj peev xwm tseem ceeb hauv kev tsim cov tshuaj tua kab mob thiab tshuaj tua kab mob. Los ntawm kev hloov kho cov qauv, cov active molecules tsom rau cov kab mob tshwj xeeb tuaj yeem tsim. Piv txwv li, nws pab pawg nitro tuaj yeem hloov mus rau hauv ib pawg amino los ntawm kev txo cov tshuaj tiv thaiv, thiab tom qab ntawd koom nrog kev ua kom muaj zog, sulfonation thiab lwm yam kev cuam tshuam los tsim cov pob txha heterocyclic nrog cov tshuaj tua kab mob. Cov tebchaw no tuaj yeem ua rau lawv cov teebmeem los ntawm kev cuam tshuam nrog microbial cell phab ntsa synthesis lossis inhibiting cov enzyme tseem ceeb.
2. Tshuaj synthesis
Lub synthesis ntawm cov leeg relaxant fluoroquinolone: 5-nitroindole-3-acetic anhydride (tau los ntawm ntxiv nitration ntawm 5-nitroindole-3-acetic acid) yog ib qho tseem ceeb nruab nrab ntawm cov synthesis ntawm fluoroquinolone. Fluquinolone yog tsim los ntawm Tanabe Corporation nyob rau hauv Nyiv thiab thawj zaug launched nyob rau hauv 1983. Nws yog ib tug relaxant nrog zoo kho los ntawm lub ntsej muag thiab caj dab nqaij spasms. Txoj kev synthesis feem ntau pib los ntawm indigo carmine anhydride, uas yog tom qab ntawd nitration kom tau 5-nitroindigo carmine anhydride. Qhov tseem ceeb nruab nrab yog tom qab ntawd ua ke los ntawm kev txo qis, acetylation, thiab lwm cov kauj ruam los ua fluoroquinolone thaum kawg.
Kev tshawb fawb thiab kev loj hlob ntawm cov tshuaj tiv thaiv tuberculosis: 5-nitroindigo carmine muaj peev xwm siv rau hauv kev tshawb fawb thiab kev loj hlob ntawm cov tshuaj tiv thaiv tuberculosis. Piv txwv li, nws cov derivatives tuaj yeem ua cov tshuaj tiv thaiv tuberculosis, siv cov tshuaj kho mob los ntawm inhibiting kev loj hlob lossis kev loj hlob ntawm Mycobacterium tuberculosis.
Kev tshawb nrhiav thiab kev txhim kho cov tshuaj tiv thaiv kab mob HIV: 5-nitroindigo carmine thiab nws cov derivatives tau pom muaj peev xwm hauv kev txhim kho cov tshuaj tiv thaiv HIV. Los ntawm kev hloov kho cov qauv, cov tebchaw tshiab nrog kev tiv thaiv HIV yuav raug tsim, muab cov kev xaiv tshiab rau kev kho mob AIDS.
Cov tshuaj Antispasmodic: Ntxiv nrog rau fluoroquinolone, 5-nitroindigo kuj tuaj yeem siv los ua ke rau lwm cov tshuaj antispasmodic, uas txo cov leeg nqaij los ntawm kev tswj cov neurotransmitters lossis ion channels.
Tshuaj architecture
Lub synthesis ntawm spiro [indole-thiazol-4-ib]: 5-nitroindigo yog ib qho tseem ceeb nruab nrab rau cov synthesis ntawm spiro [indole-thiazol-4-one]. Spiro [indole-thiazol-4-one] yog ib qho chaw uas muaj peev xwm ua haujlwm lom neeg, uas tej zaum yuav muaj cov kab mob tua kab mob, tshuaj tua kab mob, lossis tshuaj tiv thaiv qog.
Enzyme inhibitor
Glutamine transferase inhibitors: 5-nitroindigo thiab nws cov derivatives tuaj yeem ua cov glutamine transferase inhibitors rau kev kho cov kab mob cuam tshuam nrog cov metabolism hauv glutamine.
Acetylcholinesterase inhibitors: Los ntawm kev hloov kho cov qauv, 5-nitroindigo tuaj yeem tsim cov tshuaj sib xyaw nrog acetylcholinesterase inhibitory kev ua haujlwm rau kev kho cov kab mob neurodegenerative xws li Alzheimer's kab mob.
2. Cov tshuaj tiv thaiv kab mob
5-nitroindigo derivatives tau tsim los ua cov tshuaj tiv thaiv kab mob tiv thaiv kab mob xws li Mycobacterium tuberculosis. Nitro thiab indole rings nyob rau hauv nws cov qauv molecular muaj peev xwm tsim hydrogen bonds los yog π - π stacking kev sib cuam tshuam nrog lub hom phiaj proteins, pab txhawb kev affinity ntawm cov tshuaj nrog cov kab mob. Los ntawm kev siv computer-aided tshuaj tsim (CADD) thev naus laus zis, nws muaj peev xwm kwv yees nws txoj kev khi nrog cov enzymes tseem ceeb hauv mycobacteria thiab qhia kev txhim kho cov qauv.
3. Cov tshuaj tiv thaiv spasmodic
5-Nitroindigo carmine yog ib qho tseem ceeb nruab nrab ntawm cov nqaij ntshiv fluoroquinolone. Fluoroquinolone yog tsim los ntawm Tanabe Corporation nyob rau hauv Nyiv thiab yog siv los kho lub ntsej muag thiab caj dab spasms. Txoj kev sib txuas siv indigo anhydride ua raw khoom, uas yog tom qab ntawd nitration los tsim 5-nitroindigo anhydride. Qhov tseem ceeb nruab nrab N - (2-amino-5-acetamidobenzoyl) ortho toluidine yog tau los ntawm kev txo qis, acetylation, thiab lwm yam, thiab thaum kawg fluoroquinolone yog synthesized. Daim ntawv thov kev kho mob ntawm cov tshuaj no tau ua pov thawj nws txoj kev kho mob tseem ceeb ntawm lub ntsej muag nqaij spasms.
4. Tib neeg Glutamine Transferase Inhibitors
5-Nitroisatinderivatives tau tsim los ua glutamine transferase inhibitors, uas tuaj yeem cuam tshuam cov glutamine metabolism hauv cov qog hlwb, thaiv lawv lub zog thiab biosynthesis. Hom tshuaj inhibitor no muaj peev xwm siv tau tus nqi hauv kev txhim kho cov tshuaj tiv thaiv -cov qog nqaij hlav, tshwj xeeb tshaj yog rau cov qog nqaij hlav glutamine.
Tshuaj tua kab:
Qee qhov 5-nitroindigo derivatives nthuav tawm cov tshuaj tua kab, tejzaum nws cuam tshuam nrog cov kab mob hauv lub paj hlwb lossis lub zog metabolism hauv txoj hauv kev. Cov nitro thiab indole rings nyob rau hauv nws cov qauv molecular tuaj yeem khi rau cov kab mob parasitic cov proteins, thaiv cov kev taw qhia tseem ceeb.
6. Tshuaj tiv thaiv kab mob HIV
Hauv kev tsim cov tshuaj tiv thaiv kab mob HIV, 5-nitroindigo derivatives yog tsim los ua thim rov qab transcriptase inhibitors lossis integrase inhibitors. Los ntawm kev txhim kho cov txheej txheem, nws lub hom phiaj thiab kev tiv thaiv kev tiv thaiv kab mob HIV tuaj yeem txhim kho, thiab nws cov tshuaj lom tuaj yeem txo.
7. Cov tshuaj tiv thaiv kab mob
Rau kev kho mob tuberculosis, 5-nitroindigo derivatives tuaj yeem ua lub luag haujlwm los ntawm inhibiting cov enzymes tseem ceeb ntawm Mycobacterium tuberculosis lossis cuam tshuam nrog cell phab ntsa synthesis. Nitro thiab indole rings hauv nws cov qauv molecular tuaj yeem txhim kho kev sib cuam tshuam ntawm cov tshuaj thiab cov hom phiaj, txhim kho kev ua haujlwm ntawm cov kab mob.
8. Acetylcholinesterase inhibitors
5-nitroindigo derivatives tau tsim los ua acetylcholinesterase inhibitors thiab tuaj yeem siv los kho cov kab mob neurodegenerative xws li Alzheimer's disease. Cov inhibitors no txhim kho kev txawj ntse los ntawm inhibiting acetylcholinesterase kev ua haujlwm, nce qib synaptic acetylcholine.
9. Muaj peev xwm tiv thaiv tuberculosis
Ntxiv nrog rau kev ua haujlwm ncaj qha los tiv thaiv kab mob, 5-nitroindigo derivatives kuj tseem tuaj yeem tiv thaiv kab mob tiv thaiv kab mob los ntawm kev txhim kho lub cev tiv thaiv kab mob los yog cuam tshuam nrog kev ua phem ntawm Mycobacterium tuberculosis.
Organic Synthesis thiab Material Science
1. Spiro [indole-thiazol-4-one] skeleton
5-nitroindigo yog ib qho tseem ceeb ua ntej rau kev tsim cov heterocyclic complex xws li spiro [indole-thiazol-4-one]. Cov pob txha pob txha no muaj dav nyob rau hauv cov khoom ntuj tsim thiab bioactive molecules, nrog rau ntau yam kev ua ub no xws li tshuaj tua kab mob, tiv thaiv qog, tiv thaiv kab mob, thiab lwm yam.
2. Synthesis ntawm heterocyclic compounds
Los ntawm cov tswv yim xws li cyclization cov tshuaj tiv thaiv thiab kev hloov pauv nucleophilic, 5-nitroindigo tuaj yeem hloov mus rau ntau yam nitrogen-muaj heterocyclic compounds. Piv txwv li, nws muaj peev xwm hnov mob nrog amine tebchaw los tsim indole amine derivatives, uas muaj peev xwm ua rau lom.
3. Dyes thiab pigments
5-nitroindigo thiab nws cov derivatives tuaj yeem siv rau kev sib txuas ntawm cov organic dyes thiab pigments. Lub conjugated system nyob rau hauv nws cov qauv molecular endows nws nrog zoo heev lub teeb absorption zog, ua rau nws haum rau teb xws li textiles thiab inks.
4. Fluorescent sojntsuam
Los ntawm kev qhia cov pab pawg fluorescent, 5-nitroindigo derivatives tuaj yeem tsim los ua fluorescent probes rau thaj chaw xws li kev kuaj ntshav thiab kev saib xyuas ib puag ncig. Nws txoj kev ua haujlwm fluorescence tuaj yeem tswj tau los ntawm kev hloov kho cov qauv molecular.
5. Cov khoom siv ua haujlwm
5-nitroindigo derivatives muaj peev xwm siv tau hauv kev ua haujlwm ntawm cov khoom siv, xws li cov khoom siv hluav taws xob thauj khoom, cov khoom siv kho qhov muag tsis zoo, thiab lwm yam. Lub nplhaib nitro thiab indole hauv nws cov qauv molecular tuaj yeem muab cov khoom siv hluav taws xob thiab cov chaw pub dawb, txhim kho cov khoom siv hluav taws xob ntawm cov khoom siv.
Kev ruaj ntseg
5-Nitroisatin nthuav tawm cov khoom nruab nrab- lub xeev tshuaj lom neeg ruaj khov nyob rau hauv kev pom zoo cia. Thaum khaws cia, nyob deb ntawm tshav ntuj ncaj qha thiab khaws cia ntawm qhov kub thiab txias hauv qab 25℃nrog cov av noo tsawg dua lossis sib npaug li 60%, cov khoom siv tuaj yeem khaws nws cov tshuaj lom neeg rau lub sijhawm ntev -. Bloomtechz niaj hnub ua qhov kev ntsuam xyuas kev ruaj ntseg rau qhov no nitro-hloov isatin derivative thaum lub sij hawm batch validation, saib xyuas purity hloov thiab impurity loj hlob nyob rau hauv cia cycles kom lav zoo zoo ib yam rau cov neeg muas zaub 'synthetic workflows.
Lub compound yog rhiab heev rau khaus ultraviolet irradiation.
Ntev ntev raug rau lub teeb muaj zog tuaj yeem ua rau photochemical decomposition ntawm nitro-cov pob txha muaj ntxhiab, tsim cov polar impurities thiab ua rau maj mam darkening ntawm crystalline hmoov. Cov av noo ib puag ncig kuj ua rau muaj kev pheej hmoo: thaum 5-Nitroisatin tsis tau yooj yim hydrolyzed piv nrog anhydride-hom intermediates, kev sib cuag nrog cov ya raws ntev yuav ua rau kom cov oxidation ntawm qhov chaw thiab degrade cov khoom zoo li, uas yuav cuam tshuam nrog recrystallization thiab tom qab cyclization tshwm sim.
Thermal stability yog txwv. Nyob rau hauv chav tsev kub nws tseem ruaj khov; Thaum cov cua kub tsis tu ncua saum nws qhov chaw melting, thermal decomposition tshwm sim, tso cov pa phem nitrogen oxide fumes.
Nws yuav tsum raug cais tawm los ntawm cov muaj zog txo cov neeg ua haujlwm, cov hauv paus muaj zog thiab cov khoom siv hluav taws xob. Cov pab pawg neeg ua haujlwm nitro tuaj yeem raug cuam tshuam los ntawm exothermic thaum sib xyaw nrog cov khoom siv txo qis, qhia txog kev nyab xeeb kev nyab xeeb hauv kev tuav thiab khaws cia.
Rau cov khoom lag luam loj los ntawm Bloomtechz, peb txais yuav lub teeb -cov ntaub ntawv pov thawj aluminium foil lub tshuab nqus tsev ntim nrog cov desiccants. Txhua qhov khoom xa tuaj yog nrog rau MSDS thiab COA cov ntaub ntawv, nthuav qhia cov ntsiab lus khaws cia thiab kev ceev faj. Peb pab pawg pab txhawb nqa tuaj yeem muab kev taw qhia txog kev tswj hwm lub tsev khaws khoom thiab kev txheeb xyuas kev ruaj ntseg rau cov neeg siv khoom siv sijhawm ntev -R&D cia.
Synthesis Methods ntawm 5-Nitroisatin
5-Nitroisatin yog ib qho tseem ceeb nitro- hloov isatin heterocyclic intermediate. Muaj ob txoj hauv kev hluavtaws tshaj tawm hauv cov ntaub ntawv rau nws qhov kev npaj: ncaj qha nitration ntawm isatin thiab cyclization synthesis pib los ntawm 4-nitroaniline. Bloomtechz optimizes cov txheej txheem kev lag luam raws li txoj hauv kev nitration, precisely tswj cov tshuaj tiv thaiv kub, kua qaub nruab nrab thiab pub tus nqi kom suppress tshaj -nitration byproducts thiab lav batch-to-batch purity sib xws rau downstream neeg synthesis.
Txoj Kev 1: Electrophilic nitration ntawm isatin
Isatin yog siv los ua cov khoom lag luam pib, thiab cov concentrated sulfuric acid yog ob qho tib si hnyav thiab catalyst. Nyob rau hauv qis -kub tswj tej yam kev mob, nitrating tus neeg sawv cev yog ntxiv dropwise mus nqa tawm xaiv electrophilic nitration ntawm benzene nplhaib ntawm isatin. Cov pab pawg nitro raug xaiv los qhia ntawm 5- txoj haujlwm los tsim 5-Nitroisatin. Cov ntsiab lus tseem ceeb tswj: Cov tshuaj tiv thaiv kub yuav tsum nruj me ntsis tswj nyob rau hauv qhov nqaim qis-kub qhov rais. Kev kub siab heev yuav ua rau muaj kev cuam tshuam ntawm di-nitration thiab oxidative decomposition ntawm substrate. Tom qab cov tshuaj tiv thaiv tiav, qhov sib tov yog quenched nrog dej khov, lim, ntxuav thiab recrystallized kom tau cov khoom purified.
Qhov zoo: Cov khoom siv raw yooj yim nkag tau yooj yim, txoj kev siv hluav taws xob luv luv, yooj yim scaling mus rau kev tsav tsheb thiab kev lag luam ntau lawm. Kev txwv: Lub zog muaj zog corrosive acid, nruj kev nyab xeeb yuav tsum tau ua, thiab impurity profile hnyav heev ntawm kev tswj qhov kub thiab txias. Bloomtechz siv kaw cov tshuaj tiv thaiv kettles thiab nruam sampling HPLC soj ntsuam nyob rau hauv txoj kev no kom txo tau impurity tiam.
Txoj Kev 2: Sandmeyer cyclization los ntawm 4-nitroaniline
4-nitroaniline yog siv los ua cov khoom pib. Los ntawm diazotization, Sandmeyer cov tshuaj tiv thaiv thiab tom qab intramolecular cyclization, lub pob txha pob txha isatin yog tsim los ua 5-Nitroisatin.
Qhov zoo: Zoo regioselectivity; tsawg dua -nitro los ntawm- cov khoom hauv cov tshuaj tiv thaiv. Cov kev txwv: Cov khoom sib txuas ntev dua, ntau cov kauj ruam cov tshuaj tiv thaiv, tsis muaj tag nrho cov txiaj ntsig, cov nqi tsim khoom siab, tsis tsim nyog rau loj - ntim khoom. Txoj kev no feem ntau yog siv rau kev txheeb xyuas txoj hauv kev hauv chav kuaj kev kawm ntau dua li kev tsim khoom loj.
Txoj Kev 3: Me me lwm txoj hauv kev hluavtaws
Ob peb txoj hauv kev tsawg dua tau tshaj tawm hauv cov ntawv xov xwm tshuaj, suav nrog oxidation ntawm 5-nitroindole thiab rov kho dua ntawm 2-amino-5-nitrobenzoyl derivatives. Cov txheej txheem no raug kev txom nyem los ntawm cov khoom siv kim pib, hnyav cov tshuaj tiv thaiv lossis kev hloov pauv qis.Lawv tsuas yog siv rau kev tshawb fawb tshwj xeeb thiab tsis tau txais kev tsim khoom lag luam.
Cov ntaub ntawv
[1]Marvel CS, Hiers G S. Cov nitration ntawm isatin[J]. Phau ntawv Journal of the American Chemical Society, 1926, 48(11): 2632–2636.
[2] Rajagopal R, Srinivasan K V. Txhim kho synthesis thiab purification ntawm 5-nitroisatin rau heterocyclic tsev thaiv daim ntaub ntawv[J]. Synthetic Communications, 2004, 34(17): 3147–3154.
[3]Silva M, Costa A. Thermal thiab photostability tshawb nrhiav ntawm nitro- hloov isatin derivatives[J]. Phau ntawv Journal of Chemical Engineering Data, 2016, 61(9): 3421–3428.
[4] Prakash G, Singh A. Lwm txoj kev siv hluavtaws rau 5-nitroisatin los ntawm 4-nitroaniline ntawm diazotization-cyclization sequence[J]. Tetrahedron Letters, 2010, 51(22): 2968–2971.
[5] OECD. Kev Ntsuam Xyuas Kev Ntsuam Xyuas rau Xaiv Nitro-Heterocyclic Fine Chemical Intermediates[R]. Paris: Organization for Economic Co-kev khiav hauj lwm thiab kev loj hlob, 2020.
Cov lus nug nquag
Q1: Vim li cas thiaj xaiv Bloomtechz 5-Nitroisatin es tsis txhob siv cov khoom lag luam?
+
-
Cov neeg muab khoom lag luam feem ntau raug kev txom nyem los ntawm kev tsis ruaj khov batch purity thiab siab nitration los ntawm - khoom. Raws li ib tug txhim khu kev qha qhov chaw tsim tshuaj paus, Bloomtechz siv leej tsawg - kub xaiv nitration thiab standardized recrystallization los xyuas kom meej batch zoo. Txhua batch tuaj nrog ua tiav COA, HPLC thiab tag nrho cov kev tsim nyog kev lag luam, ua raws li CRO kev tshawb fawb thiab cov qauv tsim khoom loj. Peb muab ib qho - ntawm - ib qho kev sib tw ua haujlwm kom txo koj cov nqi R&D sim.
Q2: Dab tsi yog qhov ruaj khov ntawm 5-Nitroisatin, thiab Bloomtechz lav cov khoom zoo li cas thaum xa khoom?
+
-
5-Nitroisatin yog rhiab heev rau lub teeb muaj zog, kub thiab av noo, uas yooj yim ua rau discoloration thiab impurity loj hlob. Bloomtechz txais lub teeb- pov thawj lub tshuab nqus tsev ntim nrog cov khoom siv thiab qhov tsis tu ncua - qhov kub thiab txias warehouse cia. Tag nrho cov khoom dhau los ua ntej -kev ntsuas kev nyab xeeb, ua kom ntev - lub sijhawm ruaj khov thiab tsim nyog lub neej txee rau koj qhov kev siv synthesis.
Q3: Txoj kev sib txuas dab tsi Bloomtechz txais yuav 5-Nitroisatin, thiab dab tsi yog qhov zoo?
+
-
Bloomtechz txais cov neeg paub tab kev lag luam ncaj qha nitration rau 5-Nitroisatin ntau lawm. Los ntawm kev tswj cov tshuaj tiv thaiv kub thiab kev noj zaub mov nruj, peb txo qis dinitro impurities. Piv nrog rau kev kuaj sim cyclization, peb cov txheej txheem muaj cov txiaj ntsig zoo dua, zoo dua regioselectivity thiab superior scalability, zoo kawg nkaus txuam cov tshuaj nruab nrab thiab heterocyclic synthesis xav tau.
Q4: Koj puas tuaj yeem txhawb nqa cov qauv kuaj, ntim khoom thiab cov khoom ruaj khov ntawm 5-Nitroisatin?
+
-
Bloomtechz txhawb nqa tag nrho - teev kev yuav khoom ntawm 5-Nitroisatin, suav nrog cov qauv kuaj, kev tsav tsheb thiab kev txiav txim ntau ntau. Peb muab cov kev pabcuam ntim khoom raws li tus qauv thiab customized. Nruab nrog kev ua haujlwm ywj pheej ntau lawm thiab cov khoom lag luam ruaj khov, peb lav cov khoom muag txaus thiab xa khoom sai, nrog cov txheej txheem kev ua haujlwm puv ntoob rau cov neeg siv khoom thoob ntiaj teb.
Q5: Kev txhawb nqa txuj ci thiab kev ua haujlwm zoo li cas Bloomtechz tuaj yeem muab sijhawm ntev - kev koom tes?
+
-
Bloomtechz muab cov ntaub ntawv ua tiav nrog rau COA, MSDS thiab HPLC cov ntaub ntawv rau txhua qhov kev txiav txim. Peb cov kws tshaj lij pab pawg muab cov kev taw qhia tsom rau ntawm cov khoom tawg, purification thiab cia. Nrog nruj tag nrho - txheej txheem tswj kev ua tau zoo thiab ua tiav lub Hoobkas tsim nyog, peb txhawb nqa ntev - lub sij hawm ruaj khov thiab ua tau raws li R&D thoob ntiaj teb thiab kev soj ntsuam xyuas lub Hoobkas.
Cim npe nrov: 5-nitroisatin CAS 611-09-6, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom