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Y0000764

Fluorouracil impurity C

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

Uracil, 2,4(1H,3H)-Pyrimidinedione, 2,4-Dihydroxypyrimidine, 2,4-Pyrimidinediol

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About This Item

Empirical Formula (Hill Notation):
C4H4N2O2
CAS Number:
Molecular Weight:
112.09
Beilstein:
507828
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

fluorouracil

manufacturer/tradename

EDQM

mp

>300 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

O=C1NC=CC(=O)N1

InChI

1S/C4H4N2O2/c7-3-1-2-5-4(8)6-3/h1-2H,(H2,5,6,7,8)

InChI key

ISAKRJDGNUQOIC-UHFFFAOYSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Fluorouracil impurity C EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

related product

Product No.
Description
Pricing

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Jaunius Urbonavicius et al.
Methods in enzymology, 425, 103-119 (2007-08-04)
Formation of 5-methyluridine (ribothymidine) at position 54 of the T-psi loop of tRNA is catalyzed by site-specific tRNA methyltransferases (tRNA[uracil-54,C5]-MTases). In eukaryotes and many bacteria, the methyl donor for this reaction is generally S-adenosyl-L-methionine (S-AdoMet). However, in other bacteria, like
Torkild Visnes et al.
Philosophical transactions of the Royal Society of London. Series B, Biological sciences, 364(1517), 563-568 (2008-11-15)
Uracil in DNA may result from incorporation of dUMP during replication and from spontaneous or enzymatic deamination of cytosine, resulting in U:A pairs or U:G mismatches, respectively. Uracil generated by activation-induced cytosine deaminase (AID) in B cells is a normal
Pietro Andreone et al.
Gastroenterology, 147(2), 359-365 (2014-05-14)
The interferon-free regimen of ABT-450 (a protease inhibitor), ritonavir, ombitasvir (an NS5A inhibitor), dasabuvir (a non-nucleoside polymerase inhibitor), and ribavirin has shown efficacy in patients with hepatitis C virus (HCV) genotype 1b infection-the most prevalent subgenotype worldwide. We evaluated whether
Bodil Kavli et al.
DNA repair, 6(4), 505-516 (2006-11-23)
Deamination of cytosine in DNA results in mutagenic U:G mispairs, whereas incorporation of dUMP leads to U:A pairs that may be genotoxic directly or indirectly. In both cases, uracil is mainly removed by a uracil-DNA glycosylase (UDG) that initiates the
Mirta M L Sousa et al.
Molecular aspects of medicine, 28(3-4), 276-306 (2007-06-26)
Uracil is usually an inappropriate base in DNA, but it is also a normal intermediate during somatic hypermutation (SHM) and class switch recombination (CSR) in adaptive immunity. In addition, uracil is introduced into retroviral DNA by the host as part

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