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Cycobalamin Vitamin B12 Antianemia vitamin
Cycobalamin yog ib qho ntawm cov vitamin B complexes, uas muaj zog anti-pernicious anemia nyhuv. Nws yog lub npe muab los ntawm crystallization ntawm vitamin B12, qhov tseem ceeb tshaj plaws rau kev loj hlob ntawm cov kab mob thiab tsiaj txhu. Dhau li ntawm C, H, O, N, P thiab Co, aD-ribose conjugate ntawm 5,6-dimethe-rbenzimidazole yog ib feem ntawm nws cov qauv. AR Todd et al. muab tso rau pem hauv ntej cov qauv qauv, uas yog hu ua cyanocobalamin vim cyano yog kev sib koom tes ntawm cobalt. Qhov siab tshaj plaws nqus dej hauv cov kua dej yog 278,361,548 nm. Xyoo 1948, E.L.Rickes ntawm Tebchaws Meskas thiab E.L.Smith ntawm tebchaws United Kingdom ntawm nws tus kheej tau rho tawm cov muaju los ntawm daim siab. Txij thaum ntawd los, cov tshuaj no kuj tau txais los ntawm qee yam actinomycete (StrePtomyces griseum).
Cyanocobalamin kuj yog qhov tseem ceeb ntawm kev loj hlob ntawm npua thiab qaib, thiab nws yog tib yam khoom raws li tsiaj protein yam tsim nyog rau qe hatching. Vitamin B12, muab rau cov neeg mob uas muaj kab mob malignant ntawm 150 micrograms, tuaj yeem ua rau cov ntshav liab nce li 2 zaug, thiab 3-6 micrograms tuaj yeem tsim cov teebmeem. Nyob rau hauv vivo, nws yog thauj nyob rau hauv cov ntshav nyob rau hauv daim ntawv ntawm kev sib xyaw nrog trans-cobalamin protein (a- globular protein), thiab muaj nyob rau hauv daim ntawv ntawm coenzyme nyob rau hauv ntau yam ntaub so ntswg. Ua ke nrog folic acid, nws muaj kev koom tes hauv cov metabolism ntawm methyl hloov thiab nquag methyl tiam. Thiab dhau los ua qhov tseem ceeb ntawm purine, pyrimidine thiab lwm yam biosynthesis. -
Cefoselis
https://www.jvxingchemical.com/uploads/f195581d3ac1b837e3dbf21ed64b1b86.mp4 Product Description CAS No.:122841-12-7 Lwm Lub Npe: Cefoselis sulfate MF:C19H24N8O10S3 Yam khoom: Khoom noj khoom haus, khoom noj thiab tshuaj Khoom noj khoom haus qib, Tshuaj Qib, Tech Qib Kev Siv: Tsiaj Tshuaj Purity: 99% Tswb Pom: Dawb Hmoov CAS: 122841-12-7 Daim Ntawv Pov Thawj: COA Qib: Pharmaceutical Qib Assay: 99% Min Qauv: Muaj COA: Muaj Cefoselis dav siv bet... -
Tom ntej: CYCLOPENTANEMETHYLAMINE HCL CAS 116856-18-9
Tom ntej: CYCLOPENTANEMETHYLAMINE HCL CAS 116856-18-9 -
Niclosamide CAS 50-65-7
Selective herbicide. Kev tswj cov nyom txhua xyoo (Echinochloa, Digitaria, Setaria, Brachiaria, Panicum, thiab Cyperus) thiab qee cov nroj tsuag dav (Amaranthus, Capsella, Portulaca) hauv pobkws, sorghum, qab zib pas nrig, taum taum, peanuts, paj rwb, qab zib beet, zaub mov. beet, qos yaj ywm, ntau yam zaub, sunflowers, thiab pulse qoob loo. -
3-Piperazinobenzisothiazole hydrochloride CAS 144010-02-6
3-Piperazinobenzisothiazole hydrochloride/1,2-BENZISOTHIAZOLE,3-(1-PIPERAZINYL)HCL/3-(1-piperazinyl)-1,2-benzisothiaolehydrochloride/3-(1-piperazinyl)-1,2-benzisothiazilehydrochloride
