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Periodic Table/Compounds/2124264-84-0

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© Melvin Olsson 2025–2026
Data: IAEA & PubChem

2124264-84-0

C₄H₃FN₂O₂·130.080 g/mol·CID 130299149

IUPAC: 5-fluoro-1H-pyrazole-3-carboxylic acid

Also known as: 3-fluoro-1H-pyrazole-5-carboxylic acid, RefChem:501582, 823-571-5, 5-fluoro-1H-pyrazole-3-carboxylic acid, MFCD31615479 (+10 more)

2D structure of 2124264-84-0

Molecular Structure

Molecular Propertiesmass · H-bonds · stereo

Molecular Weight

130.080g/mol

Exact Mass

130.017855Da

Monoisotopic Mass

130.017855Da

XLogP

0.5

Polar Surface Area

66.0Ų

Complexity

130

Formal Charge

0

H-Bond Donors

2

H-Bond Acceptors

4

Rotatable Bonds

1

Heavy Atoms

9

Stereo Centers

0

Bond Stereo

0

Drug-Likeness (Lipinski's Rule of Five)

✓ 130.1 g/mol
MW ≤ 500
✓ 0.5
LogP ≤ 5
✓ 2
H-bond donors ≤ 5
✓ 4
H-bond acceptors ≤ 10

Passes all rules — good oral bioavailability predicted

GHS Hazard Classification

Warning
Irritant
Irritant
Hazards
  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Source: PubChem GHS Classification. Always consult the SDS for handling.

Chemical IdentifiersSMILES · InChI

InChI

InChI=1S/C4H3FN2O2/c5-3-1-2(4(8)9)6-7-3/h1H,(H,6,7)(H,8,9)

Isomers8 compounds with formula C₄H₃FN₂O₂

2D structure of 5-fluoro-1H-pyrimidine-2,4-dione

5-fluoro-1H-pyrimidine-2,4-dione

CID 3385 · 130.1 g/mol

2D structure of 5-fluoro-(1,3-15N2)1H-pyrimidine-2,4-dione

5-fluoro-(1,3-15N2)1H-pyrimidine-2,4-dione

CID 16213520 · 132.1 g/mol

2D structure of 5-fluoro-1H-imidazole-4-carboxylic acid

5-fluoro-1H-imidazole-4-carboxylic acid

CID 582575 · 130.1 g/mol

2D structure of 6-fluoro-1H-pyrimidine-2,4-dione

6-fluoro-1H-pyrimidine-2,4-dione

CID 352912 · 130.1 g/mol

2D structure of 4-fluoro-1H-pyrazole-5-carboxylic acid

4-fluoro-1H-pyrazole-5-carboxylic acid

CID 55298956 · 130.1 g/mol

2D structure of 5-(18F)fluoro-1H-pyrimidine-2,4-dione

5-(18F)fluoro-1H-pyrimidine-2,4-dione

CID 450213 · 129.1 g/mol

2D structure of 5-fluoro-4-hydroxy-1H-pyrimidin-6-one

5-fluoro-4-hydroxy-1H-pyrimidin-6-one

CID 11182621 · 130.1 g/mol

2D structure of 1-fluoropyrimidine-2,4-dione

1-fluoropyrimidine-2,4-dione

CID 14907381 · 130.1 g/mol

External Resources

PubChem ↗Wikipedia ↗