Kev taw qhia thiab kev siv CAS 50-69-1 D-Ribose
Nqe lus piav qhia:
Ribose yog carbohydrate nrog cov mis C5H10O5; tshwj xeeb, nws yog pentose monosaccharide (cov suab thaj yooj yim) nrog linear daim ntawv H-(C=O)−(CHOH)4-H, uas muaj tag nrho cov hydroxyl pawg ntawm tib sab hauv Fischer projection.
Lub sij hawm yuav xa mus rau ob qho tib si ntawm ob enantiomers. Lo lus feem ntau qhia D-ribose, uas tshwm sim dav hauv qhov xwm txheej thiab tau tham ntawm no. Nws cov duab hluavtaws hluavtaws, L-ribose, tsis pom nyob rau hauv qhov xwm txheej.
D-Ribose tau tshaj tawm thawj zaug hauv 1891 los ntawm Emil Fischer. Nws yog C'-2 carbon epimer ntawm qab zib D-arabinose (ob qho tib si isomers uas muaj npe rau lawv qhov chaw, cov pos hniav arabic) thiab ribose nws tus kheej yog lub npe hu ua ib feem ntawm cov ntawv hauv lo lus 'arabinose'.
Lub ribose -D-ribofuranose tsim ib feem ntawm lub caj qaum ntawm RNA. Nws muaj feem xyuam rau deoxyribose, uas muaj nyob hauv DNA. Phosphorylated derivatives ntawm ribose xws li ATP thiab NADH ua lub luag haujlwm tseem ceeb hauv cov metabolism. cAMP thiab cGMP, tsim los ntawm ATP thiab GTP, ua tus xa xov thib ob hauv qee qhov kev taw qhia.
Synonyms:
RIBOSE, D-(-);
D-Ribose;
R-RIBOSE;
ribose, ntshiab;
d-ribos;
FEMA 3793;
D-RIB;
(2R,3R,4R)-2,3,4,5-Tetrahydroxypentanal;
D-(-)-RIBOSE;
D-(−)-Ribose;
Ribose (300 mg);
Specification ntawm CAS 50-69-1 D-Ribose
|
Yam |
Specification |
|
CAS |
50-69-1 |
|
Molecular Formula |
C5H10O5 |
|
Molecular Luj: |
150.13000 |
|
Melting Point |
88-92ºC |
|
Qhov ntom |
1.681 g / cm3 |
|
Boiling Point |
375.4ºC ntawm 760 mmHg |
|
Flash Point |
180.8ºC |
|
Qhov tshwm sim |
dawb mus rau dawb crystalline hmoov |
|
Kev cia khoom |
Khaws nyob rau hauv qhov tsaus ntuj nti, inert cua, Khaws rau hauv lub freezer, nyob rau hauv -20 degree |
|
Purity |
Ntau dua lossis sib npaug rau 98.0% |
Pob thiab tsheb thauj mus los ntawm CAS 50-69-1 D-Ribose
Kev thauj mus los: los ntawm courier / los ntawm huab cua / los ntawm hiav txwv


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