5-Methylisoxazole-4-Carboxylic Acid CAS 42831-50-5 Leflunomide Intermediate Purity >99.0% (HPLC)

Fa'amatalaga Puupuu:

Igoa Vailaau: 5-Methylisoxazole-4-Carboxylic Acid

Synonyms: 5-Methyl-4-Isoxazolecarboxylic Acid

CAS: 42831-50-5

Mama: >99.0% (HPLC)

Pa'epa'e e o'o i le lanu samasama samasama pauta, e leai se manogi

Intermediate of Leflunomide (CAS: 75706-12-6)

Fa'afeso'ota'i: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

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Fa'amatalaga Oloa

Oloa Fa'atatau

Faailoga o oloa

Fa'amatalaga:

Shanghai Ruifu Chemical Co., Ltd. o le taʻutaʻua taʻutaʻua o le 5-Methylisoxazole-4-Carboxylic Acid (CAS: 42831-50-5) faʻatasi ai ma le maualuga.E mafai e Ruifu ona tuʻuina atu i le lalolagi atoa, tau faʻatauvaʻa, auaunaga sili ona lelei, laʻititi ma tele tele o loʻo maua.Fa'atau 5-Methylisoxazole-4-Carboxylic Acid,Please contact: alvin@ruifuchem.com

Meatotino tau vailaau:

Igoa Vailaau	5-Methylisoxazole-4-Carboxylic Acid
Synonyms	5-Methyl-4-Isoxazolecarboxylic Acid
le mama	Leflunomide EP Le mama D/ Leflunomide BP Le mama D
Tulaga Fa'asoa	I Fa'atauga, Fua Fa'atau
Numera CAS	42831-50-5
Fuafua mole	C5H5NO3
Molecular Weight	127.10 g/mol
Lisi Lisi	145.0 i le 149.0 ℃(malamalama)
Malosi	1.348±0.06 g/cm3
Temp.	Nofoaga malulu ma mago (2~8℃)
COA & MSDS	Avanoa
Fa'ailoga	Ruifu Chemical

Fa'amatalaga:

Aitema	Tulaga Fa'atonu	I'uga
Fa'aaliga	Pa'epa'e e o'o i le lanu samasama samasama pauta, e leai se manogi	E usitaia
Lisi Lisi	145.0 i le 149.0 ℃	147.8~148.5 ℃
Ma'imau ile Fa'amago	≤0.50%	0.13%
Toega i luga o le mumu	≤0.10%	0.04%
Metala mamafa (Pb)	≤0.002%	<0.002%
3-Methyl Isomeric Compound	≤0.20%	<0.20%
Mama / Suʻesuʻega Metotia	>99.0% (HPLC)	99.74%
Alaleo Infrared	E tusa ma le Fauga	E usitaia
1 H NMR Alaleo	E tusa ma le Fauga	E usitaia
Fa'ai'uga	Ua uma ona fa'ata'ita'iina le oloa ma fa'amalieina fa'atonuga
Fa'aoga	Vailaau Mata'utia ole Leflunomide (CAS: 75706-12-6)

Paket/Teuga/Va'a:

afifi:Fagu, Ato pepa alumini, 25kg/Kati Pusa, pe tusa ai ma manaoga o tagata faatau.
Tulaga teuina:Teu i totonu o se atigipusa tapuni.Teu i totonu o se faleteuoloa malulu, mago (2 ~ 8 ℃) ma fa'alelei lelei mai mea e le fetaui.Puipui mai le malamalama ma le susu.
Va'a:Tu'u atu ile lalolagi atoa ile ea, ile FedEx / DHL Express.Tuuina atu vave ma faatuatuaina tiliva.

Tulaga lelei:

Lava Malosiaga: Lava fale ma tekinisia

Au'aunaga Fa'apolofesa: Au'aunaga fa'atau e tasi

OEM Package: Fa'ailoga fa'apitoa ma fa'ailoga e maua

Fa'atauga Anapogi: Afai i totonu o fa'atauga, e tolu aso fa'aolaina fa'amaonia

Sapalai mautu: Tausia fa'atauga talafeagai

Lagolago Fa'atekinisi: Fa'atekonolosi fofo avanoa

Au'aunaga Fa'aaufa'atasi: E amata mai i le kalama i le kilokalama

Tulaga Maualuga: Faʻavae se faiga faʻamautinoaga lelei atoatoa

FAQ:

Fa'afefea ona Fa'atau?Fa'amolemole fa'afeso'ota'iDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com

15 Tausaga Aafiaga?E sili atu nai lo le 15 tausaga o le poto masani i le gaosiga ma le auina atu i fafo o le tele o tulaga maualuga o vailaʻau faʻapitoa poʻo vailaʻau lelei.

Maketi Autu?Faʻatau atu i maketi i totonu o le atunuʻu, Amerika i Matu, Europa, Initia, Korea, Iapani, Ausetalia, ma isi.

Tulaga lelei?Tulaga maualuga, tau taugofie, auaunaga faʻapolofesa ma lagolago faʻapitoa, vave tuʻuina atu.

Tulaga leleiFaamautinoaga?Fa'atonuga lelei faiga.O meafaigaluega faʻapitoa mo suʻesuʻega e aofia ai le NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.

Fa'ata'ita'iga?O le tele o oloa e maua ai faʻataʻitaʻiga e leai se totogi mo le iloiloga lelei, o tau o felauaiga e tatau ona totogi e tagata faʻatau.

Fale Su'etusi?Fa'afeiloa'i su'etusi falegaosimea.Fa'amolemole fai se taimi vave.

MOQ?Leai MOQ.Laititi oka e talia.

Taimi Tiliva? Afai o loʻo i totonu o faʻatauga, e tolu aso e faʻamaonia le tuʻuina atu.

Felauaiga?E ala ile Express (FedEx, DHL), ile Air, ile Sea.

Pepa?A maeʻa le faʻatau atu auaunaga: COA, MOA, ROS, MSDS, ma isi mea e mafai ona tuʻuina atu.

Tulaga Fa'apitoa?E mafai ona tu'uina atu au'aunaga tu'ufa'atasiga fa'apitoa e fetaui lelei ma au su'esu'ega mana'oga.

Tulaga Totogi?Proforma invoice o le a lafo muamua pe a maeʻa le faʻamaoniga o le poloaiga, faʻapipiʻi a matou faʻamatalaga faletupe.Totogi e le T / T (Telex Transfer), PayPal, Western Union, ma isi.

42831-50-5 - Tulaga lamatia ma le Saogalemu:

Tulaga lamatia
R36/37/38 - Fa'aitaita'i i mata, faiga manava ma le pa'u.
R37/38 - Fa'aitaita i le manava ma le pa'u.
R36 - Fa'aitaita i mata
R10 - Mumu
Fa'amatalaga Saogalemu
S22 - Aua le manava pefu.
S26 - Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga faafoma'i.
S36/37/39 - Fai ofu puipui talafeagai, totigilima ma mata/mata.
S36 - Fa'aofu ofu puipui talafeagai.
S16 - Tausia mai mea e mu ai.
WGK Siamani 3
HS Code 2917399090
Vasega o Tulaga Lamatia

Talosaga:

5-Methylisoxazole-4-Carboxylic Acid (CAS: 42831-50-5) o se vaeluaga mo le tuʻufaʻatasia o Leflunomide (CAS: 75706-12-6).Leflunomide o se ituaiga o isoxazole immunosuppressive vailaʻau faʻatasi ai ma le anti-proliferative gaioiga, faʻaonaponei pharmacology faʻavasegaina lenei oloa e pei o antipyretic, analgesic ma anti-inflammatory drugs.O lenei oloa e mafai ona vave liua i metabolites malosi ma faia se sao e le ate ma intestinal cytoplasm ma microsomes, ona;O le masini autu o le taimi o le DNA synthesis, faʻalavelaveina se gaioiga enzyme-DHODH (DHODH), ina ia faʻaumatia nucleotides i totonu o le B lymphocyte, faʻamutaina le biosynthesis o DNA ma RNA, e le mafai e sela ona ulufale i le vaega, ma mulimuli ane e le mafai. faʻateleina, e mafua ai aʻafiaga anti-rheumatic, e talafeagai mo togafitiga o tagata matutua o loʻo maua i le gasegase oona, ankylosing spondylitis, e mafai ona faʻagesegese le faʻaleagaina o ponaivi, faʻaitiitia faʻamaoniga ma faʻailoga.E le gata i lea, o le leflunomide e mafai foi ona taofiofia le gaioiga tyrosine kinase, ma faʻafefe ai le faʻateleina o le T cell, B cell ma le le puipuia o sela, ae e mafai foi, e ala i le biosynthesis inhibition o cyclooxygenase-2 (COX2), faʻalavelaveina le faʻaogaina o le prostaglandin ma faʻamalosi anti- aafiaga inflammatory ma taofia sela mast ma basophils faamatuu atu histamine.A faʻaaogaina lenei oloa i tagata gasegase okeni, e faigata le fetuunaiga o fualaʻau, e masani ona faʻaaogaina e togafitia ai le gasegase oona ma isi faʻamaʻi autoimmune.