4-Methylumbelliferone (4-MU) CAS 90-33-5 Purity > 98.0% (HPLC) Hoobkas
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom ntawm 4-Methylumbelliferone (4-MU; 7-Hydroxy-4-Methylcoumarin) (CAS: 90-33-5) nrog cov khoom zoo.Ruifu Chemical tuaj yeem muab kev xa khoom thoob ntiaj teb, tus nqi sib tw, me me thiab ntau ntau muaj.Yuav 4-Methylumbelliferone,Please contact: alvin@ruifuchem.com
| Tshuaj npe | 4-Methylumbelliferone |
| Synonyms | 4-MU;Hymecromone;7-Hydroxy-4-Methylcoumarin;7-Hydroxy-4-Methyl-Coumarin;β-Methylumbelliferone;beta-Methylumbelliferone;7-Hydroxy-4-Methyl-2H-1-Benzopyran-2-ib;4-Methyl-7-Hydroxycoumarin;Coumarin 4 |
| Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm rau Tons ib hlis |
| CAS Nr | 90-33-5 : kuv |
| Molecular Formula | C10H8O3 |
| Molecular Luj | 176.17 g / mol |
| Melting Point | 187.0 ~ 191.0 ℃ |
| Dej Solubility | Xyaum Insoluble hauv dej |
| Solubility | Soluble hauv Ethanol.Me ntsis Soluble hauv Ether, Chloroform |
| Cia Temp. | Txias & qhuav qhov chaw |
| COA & MSDS | Muaj |
| Txee lub neej | 60 Lub Hlis |
| Hom | Ruifu Tshuaj |
| Cov khoom | Kev soj ntsuam Standards | Cov txiaj ntsig |
| Qhov tshwm sim | Off-White to Yellow Crystalline Powder | Ua raws |
| Melting Point | 187.0 ~ 191.0 ℃ | 189.4 ~ 190.6 ℃ |
| Dej los ntawm Karl Fischer | <0.50% | 0.45% |
| Residue ntawm Ignition | <0.20% | 0.06% |
| Heavy Metals (Pb) | ≤10ppm | <10ppm |
| Hlau (Fe) | ≤10ppm | <10ppm |
| Arsenic (As2O3) | ≤1ppm | <1 ppm |
| Purity / Analysis Method | > 99.0% (HPLC) | 99.7% |
| Infrared Spectrum | Raws li tus qauv | Ua raws |
| Proton NMR Spectrum | Raws li tus qauv | Ua raws |
| Xaus | Cov khoom tau raug kuaj & ua raws li cov lus qhia tshwj xeeb | |
Pob:Lub raj mis, Aluminium ntawv ci hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Khaws rau hauv cov thawv ntim khoom ntawm qhov chaw txias, qhuav thiab cua tshuab kom deb ntawm cov khoom tsis sib xws.Tiv thaiv los ntawm lub teeb thiab noo noo.
Shipping:Xa mus thoob ntiaj teb los ntawm FedEx / DHL Express.Muab kev xa khoom sai thiab txhim khu kev qha.
Yuav Yuav Li Cas?Thov hu rauDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Xyoo Kev Paub?Peb muaj ntau tshaj li 15 xyoo ntawm kev paub nyob rau hauv kev tsim thiab export ntawm ib tug ntau yam ntawm zoo tshuaj intermediates los yog zoo tshuaj.
Kev lag luam loj?Muag rau kev lag luam hauv tsev, North America, Europe, India, Kauslim, Nyiv, Australia, thiab lwm yam.
Qhov zoo?Superior zoo, tus nqi pheej yig, kev pabcuam tshaj lij thiab kev txhawb nqa kev pabcuam, xa khoom sai.
ZooKev lees paub?Kev tswj xyuas nruj nruj.Cov cuab yeej tshaj lij rau kev txheeb xyuas suav nrog NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, thiab lwm yam.
Cov qauv?Cov khoom lag luam feem ntau muab cov qauv dawb rau kev soj ntsuam zoo, tus nqi thauj khoom yuav tsum tau them los ntawm cov neeg siv khoom.
Factory Audit?Lub Hoobkas tshawb xyuas txais tos.Thov teem caij ua ntej.
MOQ?Tsis muaj MOQ.Kev txiav txim me me tau txais.
Lub sij hawm xa tuaj? Yog hais tias nyob rau hauv Tshuag, peb hnub shipping guaranteed.
Kev thauj mus los?Los ntawm Express (FedEx, DHL), los ntawm Cua, los ntawm hiav txwv.
Cov ntaub ntawv?Kev pab cuam tom qab muag: COA, MOA, ROS, MSDS, thiab lwm yam tuaj yeem muab tau.
Kev cai Synthesis?tuaj yeem muab cov kev pabcuam sib xyaw ua ke kom haum rau koj cov kev xav tau tshawb fawb.
Cov nqe lus them nqi?Proforma invoice yuav raug xa ua ntej tom qab kev pom zoo ntawm kev txiav txim, kaw peb cov ntaub ntawv hauv tuam txhab nyiaj.Kev Them Nyiaj los ntawm T / T (Telex Transfer), PayPal, Western Union, thiab lwm yam.
Risk Codes
R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij.
R20/21/22 - Ua phem los ntawm kev nqus pa, tiv tauj nrog daim tawv nqaij thiab yog tias nqos.
Kev nyab xeeb piav qhia
S26 - Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag
S36 - Hnav khaub ncaws tiv thaiv zoo.
WGK Germany 2
RTECS GN7000000
TSCA Yes
HS Code 2932209090
Hazard Note Irritant
Toxicity LD50 qhov ncauj hauv nas: 3850mg / kg
4-Methylumbelliferone (4-MU; 7-Hydroxy-4-Methylcoumarin) (CAS: 90-33-5), hydroxycoumarin uas yog umbelliferone hloov los ntawm pawg methyl ntawm txoj hauj lwm 4.
4-Methylumbelliferone yog ib qho kev noj haus ntxiv uas inhibits hyaluronic acid (HA) synthesis.Hyaluronan (HA) yog ib qho tseem ceeb ntawm cov extracellular matrix nyob rau hauv ntau qhov chaw ntawm mob o, nrog rau hom 1 mob ntshav qab zib (T1D), ntau yam sclerosis, thiab ntau yam malignancies.4-MU yog ib qho tshuaj uas tau pom zoo nyob hauv Europe thiab Asia hu ua "hymecromone" qhov twg nws yog siv los kho cov kab mob biliary spasm.
Choloretic, spasmolytic, tshuaj pleev thaiv hnub, tshuaj ntsuam reagent.
Pharmaceutical Applications: 4-Methylumbelliferone feem ntau yog siv los ua cov tshuaj sib xyaw ua ke thiab ua lub tsev thaiv rau fluorescent probes.Cov ntawv thov suav nrog kev sib txuas ntawm: coumarin triazole derivatives ua cov tshuaj tiv thaiv kab mob.coumarin salen-based fluorescence sensors rau Mg2 + nrhiav kom tau.pyranocoumarin derivatives li anti-hyperglycemic thiab anti-dyslipidemic cov neeg ua haujlwm.coumarin piperazine derivatives raws li muaj peev xwm multireceptor atypical antipsychotics.4-methylumbelliferyl T-antigen ua substrate rau endo-α-N-acetylgalactosaminidase.
Biological Activity 4-methylumbelliferone yog hyaluronic acid (ha) synthesis inhibitor.kev ua kom muaj 2 thiab ntau tshaj ntawm ha muaj nyob hauv ntau cov kab mob metastatic qog cell.nce synthesis ntawm ha feem ntau cuam tshuam nrog nce metastatic peev xwm thiab invasivity nyob rau hauv cov qog hlwb.
