Uracil. - Cas No: 66-22-8

Name: URACIL.
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Product Specifications

CAS No	66-22-8
Ph Level	6-8
Usage	Fertilizer, Lab Chemicals, Pharma Industries
Molecular Weight	112.088 g/mol Grams (g)
Molecular Formula	C4H4N2O2
Purity	99%min
Physical Form	Powder
Product Type	White Powder
Melting Point	194
Appearance	White
Storage	Room Temperature
Poisonous	NO
Grade	Pure
Properties	In RNA, uracil base-pairs with adenine and replaces thymine during DNA transcription. Methylation of uracil produces thymine.[10] In DNA, the evolutionary substitution of thymine for uracil may have increased DNA stability and improved the efficiency of DNA replication (discussed below). Uracil pairs with adenine through hydrogen bonding. When base pairing with adenine, uracil acts as both a hydrogen bond acceptor and a hydrogen bond donor. In RNA, uracil binds with a ribose sugar to form the ribonucleoside uridine. When a phosphate attaches to uridine, uridine 5'-monophosphate is produced.[6]Uracil undergoes amide-imidic acid tautomeric shifts because any nuclear instability the molecule may have from the lack of formal aromaticity is compensated by the cyclic-amidic stability.[5] The amide tautomer is referred to as the lactam structure, while the imidic acid tautomer is referred to as the lactim structure. These tautomeric forms are predominant at pH 7. The lactam structure is the most common form of uracil.Uracil tautomers: Amide or lactam structure (left) and imide or lactim structure (right)Uracil also recycles itself to form nucleotides by undergoing a series of phosphoribosyltransferase reactions.[2] Degradation of uracil produces the substrates aspartate, carbon dioxide, and ammonia.[2]C4H4N2O2 a+' H3NCH2CH2COOa^' + NH4+ + CO2Oxidative degradation of uracil produces urea and maleic acid in the presence of H2O2 and Fe2+ or in the presence of diatomic oxygen and Fe2+.Uracil is a weak acid. The first site of ionization of uracil is not known.[11] The negative charge is placed on the oxygen anion and produces a pKa of less than or equal to 12. The basic pKa = -3.4, while the acidic pKa = 9.389. In the gas phase, uracil has 4 sites that are more acidic than water.[12]
Solubility	Solubility in water
Density	0.98605 - 0.99744 g/cm3 (55 - 25 C) Kilogram per cubic meter (kg/m3)
Shape	Crystal
Shelf Life	3 Years
HS Code	9024
FOB Port	mumbai
Payment Terms	Cash on Delivery (COD), Cash Against Delivery (CAD), Cash Advance (CA), Cash in Advance (CID), Cheque
Supply Ability	500 Per Month
Delivery Time	1 Week
Sample Available	Yes
Sample Policy	Within a certain price range free samples are available
Packaging Details	Hdpe Drum 25 KG packing
Main Export Market(s)	Eastern Europe, Africa, Central America, Australia, Middle East, South America, Western Europe, Asia, North America
Main Domestic Market	All India