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Key Documents

47190

Sigma-Aldrich

5-Fluoroorotic acid hydrate

≥99.0% (TLC)

Synonym(s):

2,6-Dihydroxy-5-fluoropyrimidine-4-carboxylic acid, 5-Fluorouracil-4-carboxylic acid

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About This Item

Empirical Formula (Hill Notation):
C5H3FN2O4 · xH2O
CAS Number:
Molecular Weight:
174.09 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352204
PubChem Substance ID:
NACRES:
NA.25

Quality Level

Assay

≥99.0% (TLC)

form

solid

mp

278 °C (dec.) (lit.)

solubility

4 M NH4OH: 50 mg/mL, clear, faintly yellow

storage temp.

−20°C

SMILES string

OC(C(NC(N1)=O)=C(F)C1=O)=O.[H]O[H]

InChI

1S/C5H3FN2O4.H2O/c6-1-2(4(10)11)7-5(12)8-3(1)9;/h(H,10,11)(H2,7,8,9,12);1H2

InChI key

LODRRYMGPWQCTR-UHFFFAOYSA-N

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Application

Useful in the selection of orotidine-5′-phosphate decarboxylase mutants of Saccharomyces cerevisiae.

Other Notes

Selective agent in yeast molecular genetics

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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J D Boeke et al.
Methods in enzymology, 154, 164-175 (1987-01-01)
5-FOA is an extremely useful reagent for the selection of Ura- cells amid a population of Ura+ cells. The selection is effective in transformation and recombination studies where loss of URA3+ is desired. A new plasmid shuffling procedure based on

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