Cov ntaub ntawv tseem ceeb ntawm Uracil
|
Khoom npe: |
Uracil |
|
Synonyms: |
COATED SAFETY BOTTLE 2,5LW TSIS TAU CAP ISO; ALUMINIUM tuaj yeem nrog tuav thiab STOPPER; Uracyl; 2, 6-Dihydroxypyrimidine;2-Hydroxy-4(3H)-pyrimidinone;4-Hydroxy -2(1H)-pyrimidinone; Hybar X; hybarx |
|
CAS: |
66-22-8 |
|
MF: |
C4H4N2O2 |
|
MW: |
112.09 |
|
EINECS: |
200-621-9 |
Uracil Chemical Properties
|
Melting point |
>300 degree (lit.) |
|
Boiling point |
209.98 degree (kev kwv yees kwv yees) |
|
ceev |
1.4421 (kev kwv yees kwv yees) |
|
Refractive Index |
1.4610 (kwv yees) |
|
cia temp. |
2-8 degree |
|
daim ntawv |
Crystalline hmoov |
|
pka ua |
9.45 (ntawm 25 degree) |
|
xim |
Dawb rau me ntsis daj |
|
Dej Solubility |
Soluble hauv dej kub |
|
Merck |
14,9850 |
|
BRN |
606623 |
|
Kev ruaj ntseg: |
ruaj khov. Incompatible nrog muaj zog oxidizing neeg sawv cev. |
Uracil Siv thiab Synthesis
|
Chemical Properties |
Crystalline koob. Soluble hauv dej kub, ammonium hydroxide, thiab lwm yam alkalies; insoluble hauv cawv thiab ether. |
|
Siv |
Antineoplastic Nitrogenous puag ntawm RNA nucleosides. |
Uracil yog lub hauv paus tshwj xeeb ntawm RNA thiab sib npaug rau thymine (T) hauv DNA. Nyob rau hauv tus txheej txheem ntawm DNA transcription, lub DNA yog unwound los ntawm helicase nyob rau hauv lub nucleus, thiab tom qab ntawd ua ke nrog dawb puag khub los ua ib tug ib leeg-stranded RNA, uas yog xa mus rau RNA (mRNA). Hauv cov txheej txheem no, lub hauv paus kev sib koom ua ke yog: AU, CG, TA, GC. Ib qho ntawm cov pyrimidine hauv paus, ua ke nrog cytosine, yog ib feem ntawm RNA. Nws kuj tseem muaj nyob hauv cov khoom tseem ceeb ntawm polysaccharides xws li uridine diphosphate qabzib. Qhia tshwj xeeb UV nqus (qhov siab tshaj 259 nm). Qhov sib txawv tseem ceeb ntawm RNA thiab DNA yog qhov sib txawv ntawm cov piam thaj muaj pes tsawg leeg. RNA muaj uracil thiab DNA muaj thymine.
Npaj los ntawm cov tshuaj tiv thaiv ntawm malic acid, sulfuric acid thiab urea
Cim npe nrov: uracil cas no.66-22-8, Suav teb, manufacturers, lwm tus neeg, Hoobkas, kev cai, wholesale
