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

ʻO ka wehewehe pōkole:

Inoa Kemika: 5-Methylisoxazole-4-Carboxylic Acid

Synonyms: 5-Methyl-4-Isoxazolecarboxylic Acid

CAS: 42831-50-5

Maʻemaʻe: >99.0% (HPLC)

Keʻokeʻo a i ʻole Melemele Crystalline Pauda, ʻAʻala ʻole

Waena o Leflunomide (CAS: 75706-12-6)

Hoʻokaʻaʻike: Kauka Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

Nā Huahana Pili

Huahana Huahana

wehewehe:

ʻO Shanghai Ruifu Chemical Co., Ltd. ka mea hana nui o 5-Methylisoxazole-4-Carboxylic Acid (CAS: 42831-50-5) me ke kūlana kiʻekiʻe.Hiki iā Ruifu ke hāʻawi aku i ka honua holoʻokoʻa, ke kumukūʻai hoʻokūkū, ka lawelawe maikaʻi loa, nā mea liʻiliʻi a me ka nui.E kūʻai i ka 5-Methylisoxazole-4-Carboxylic Acid,Please contact: alvin@ruifuchem.com

Na Waiwai Kemika:

Inoa Kimia	5-Methylisoxazole-4-Carboxylic Acid
Nā huaʻōlelo like	5-Methyl-4-Isoxazolecarboxylic Acid
haumia	Leflunomide EP ʻinoʻino D/ Leflunomide BP ʻinoʻino D
Kūlana Kūʻai	Ma ka Waihona, Ka Uuna Kūʻai
Helu CAS	42831-50-5
ʻĀpana Molekala	C5H5NO3
Kaumaha Molecular	127.10 g/mol
Lae hehee	145.0 a i 149.0 ℃ (māmā)
ʻO ka mānoanoa	1.348±0.06 g/cm3
Waihona Temp.	Wahi anuanu a maloo (2~8 ℃)
COA & MSDS	Loaʻa
Brand	Kemika Ruifu

Nā kikoʻī:

Nā mea	Nā Kūlana Nānā	Nā hualoaʻa
Ka nana aku	Keʻokeʻo a i ʻole Melemele Crystalline Pauda, ʻAʻala ʻole	Hoʻokō
Lae hehee	145.0 a 149.0 ℃	147.8~148.5 ℃
Nalo ma ka maloo	≤0.50%	0.13%
Koena ma ka Ignition	≤0.10%	0.04%
Nā Metala Kaumaha (Pb)	≤0.002%	<0.002%
3-Methyl Isomeric Compound	≤0.20%	<0.20%
Maʻemaʻe / Kaʻina Hanana	>99.0% (HPLC)	99.74%
Infrared Spectrum	Kūlike i ka hoʻolālā	Hoʻokō
1 H NMR Spectrum	Kūlike i ka hoʻolālā	Hoʻokō
Ka hopena	Ua hoʻāʻo ʻia ka huahana a hoʻokō i nā kikoʻī i hāʻawi ʻia
Hoʻohana	Lapaʻau Kūwaena o Leflunomide (CAS: 75706-12-6)

Pūʻolo/Paʻa/Hoʻouna:

Pūʻolo:ʻO ka ʻōmole, ʻeke ʻeke alumini, 25kg / pahu pahu pahu, a i ʻole e like me ka makemake o ka mea kūʻai aku.
Kūlana mālama:E mālama i loko o kahi pahu paʻa.E kūʻai i loko o kahi hale kūʻai maloʻo, maloʻo (2 ~ 8 ℃) a me ka ventilated maikaʻi mai nā mea like ʻole.E pale i ka malamalama a me ka wai.
Hoʻouna:Hāʻawi i ka honua ma ka lewa, e FedEx / DHL Express.Hāʻawi wikiwiki a hilinaʻi hoʻi.

Pono:

ʻO ka mana kūpono: lawa nā lako a me nā ʻenehana

ʻOihana Hoʻonaʻauao: Hoʻokahi lawelawe kūʻai kūʻai

Puke OEM: Loaʻa ka pūʻolo maʻamau a me ka lepili

Hoʻouna wikiwiki: Inā i loko o ke kumukūʻai, ʻekolu lā hoʻouna i hōʻoia ʻia

Hoʻolako Paʻa: E mālama i ka waiwai kūpono

Kākoʻo ʻenehana: Loaʻa ka hopena ʻenehana

Hana Hana Hana Kuʻuna: Mai ka grama a hiki i ke kilo

Kūlana Kiʻekiʻe: Hoʻokumu i kahi ʻōnaehana hōʻoia maikaʻi piha

FAQ:

Pehea e kūʻai ai?E ʻoluʻolu e kelepona maiDr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com

15 mau makahiki ʻike?Loaʻa iā mākou ma mua o 15 mau makahiki o ka ʻike i ka hana ʻana a me ka hoʻokuʻu ʻana aku i kahi ākea ākea o nā intermediates pharmaceutical kiʻekiʻe a i ʻole nā kemika maikaʻi.

Mākeke Nui?E kūʻai aku i ka mākeke kūloko, ʻAmelika ʻĀkau, ʻEulopa, India, Korea, Iapana, Australia, etc.

Nā pono?ʻO ke kūlana kiʻekiʻe, ke kumukūʻai kūpono, nā lawelawe ʻoihana a me ke kākoʻo ʻenehana, ka lawe wikiwiki ʻana.

ʻAno maikaʻiHōʻoiaʻiʻo?Pūnaehana hoʻomalu maikaʻi koʻikoʻi.ʻO nā lako ʻoihana no ka nānā ʻana ʻo NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, KF, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.

Nā laʻana?Hāʻawi ka hapa nui o nā huahana i nā laʻana manuahi no ka loiloi maikaʻi, pono e uku ʻia ke kumukūʻai e nā mea kūʻai aku.

Hooia Hale Hana?Welina mai ka loiloi hale hana.E ʻoluʻolu e hoʻopaʻa manawa ma mua.

MOQ?ʻAʻohe MOQ.ʻAe ʻia ke kauoha liʻiliʻi.

Manawa Hoʻouna? Inā i loko o ka waihona, ʻekolu lā hoʻouna ʻia.

Kaʻahele?Ma ka Express (FedEx, DHL), ma ka Air, ma ke Kai.

Nā palapala?Ma hope o ka lawelawe kūʻai: COA, MOA, ROS, MSDS, etc.

Hoʻohui Kuʻuna?Hiki ke hāʻawi i nā lawelawe synthesis maʻamau e kūpono i kāu mau pono noiʻi.

Kūkākūkā uku?E hoʻouna mua ʻia ka invoice Proforma ma hope o ka hōʻoia ʻana o ke kauoha, hoʻopili ʻia kā mākou ʻike panakō.Uku e T/T (Telex Transfer), PayPal, Western Union, etc.

42831-50-5 - Pilikia a palekana:

Nā Code Risk
R36/37/38 - E hoʻonāukiuki i nā maka, ka ʻōpū hanu a me ka ʻili.
R37/38 - E hoʻonāukiuki i ka ʻōnaehana hanu a me ka ʻili.
R36 - Hoʻonanea i nā maka
R10 - Hiki ke ahi
Ka wehewehe palekana
S22 - Mai hanu i ka lepo.
S26 - Inā pili me nā maka, e holoi koke me ka wai nui a e ʻimi i ka ʻōlelo aʻo kino.
S36/37/39 - E hoʻohana i nā lole pale kūpono, nā mīkina lima a me ka pale maka/maka.
S36 - E hoʻohana i nā lole pale kūpono.
S16 - E hoʻokaʻawale i nā kumu o ke ahi.
WGK Kelemānia 3
HS Code 2917399090
PILI PILI

Noi:

ʻO 5-Methylisoxazole-4-Carboxylic Acid (CAS: 42831-50-5) he mea waena no ka hoʻohui ʻana o Leflunomide (CAS: 75706-12-6).ʻO Leflunomide kahi ʻano o nā lāʻau immunosuppressive isoxazole me ka hana anti-proliferative, ʻo ka pharmacology hou e hoʻokaʻawale i kēia huahana he antipyretic, analgesic a me nā lāʻau anti-inflammatory.Hiki ke hoʻololi koke ʻia kēia huahana i nā metabolites ikaika a pāʻani i kahi hana e ke ake a me ka cytoplasm intestinal a me nā microsomes, kāna;ʻO ka hana nui i ka wā o ka synthesis DNA, ke kāohi nei i kahi hana enzyme-DHODH (DHODH) nui, no laila ua pau nā nucleotides i loko o ka lymphocyte B, hoʻopau ia i ka biosynthesis o DNA a me RNA, ʻaʻole hiki i nā cell ke komo i ka s phase, a ʻaʻole hiki i ka hopena. proliferate, hopena i nā hopena anti-rheumatic, kūpono ia no ka mālama ʻana i nā pākeke me ka rheumatoid arthritis ikaika, ankylosing spondylitis, hiki iā ia ke lohi i ka luku ʻana i ka iwi, e hoʻēmi i nā hōʻailona a me nā hōʻailona.Eia kekahi, hiki i ka leflunomide ke hoʻopaʻa i ka hana tyrosine kinase, no laila ke kāohi nei i ka hoʻonui ʻana o ka cell T, B cell a me nā cell non-immune, akā hiki nō hoʻi, ma ka biosynthesis inhibition o cyclooxygenase-2 (COX2), inhibit prostaglandin synthesis a hana anti- nā hopena inflammatory a keʻakeʻa i nā mast cell a me basophils hoʻokuʻu histamine.Ke hoʻohana ʻia kēia huahana i nā mea maʻi transplant organ, paʻakikī ka hoʻoponopono ʻana, hoʻohana nui ʻia e mālama i ka rheumatoid arthritis a me nā maʻi autoimmune ʻē aʻe.