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Periodic Table/Compounds/hypoxanthine

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© Melvin Olsson 2025–2026
Data: IAEA & PubChem

hypoxanthine

C₅H₄N₄O·136.110 g/mol·CID 135398638

IUPAC: 1,7-dihydropurin-6-one

Also known as: 68-94-0, 6-Hydroxypurine, 9H-Purin-6-ol, 7H-Purin-6-ol, Sarkin (+14 more)

2D structure of hypoxanthine

Molecular Structure

Molecular Propertiesmass · H-bonds · stereo

Molecular Weight

136.110g/mol

Exact Mass

136.038511Da

Monoisotopic Mass

136.038511Da

XLogP

-0.5

Polar Surface Area

70.1Ų

Complexity

190

Formal Charge

0

H-Bond Donors

2

H-Bond Acceptors

3

Rotatable Bonds

0

Heavy Atoms

10

Stereo Centers

0

Bond Stereo

0

Drug-Likeness (Lipinski's Rule of Five)

✓ 136.1 g/mol
MW ≤ 500
✓ -0.5
LogP ≤ 5
✓ 2
H-bond donors ≤ 5
✓ 3
H-bond acceptors ≤ 10

Passes all rules — good oral bioavailability predicted

GHS Hazard Classification

Warning
Irritant
Irritant
Hazards
  • 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/C5H4N4O/c10-5-3-4(7-1-6-3)8-2-9-5/h1-2H,(H2,6,7,8,9,10)

External Resources

PubChem ↗Wikipedia ↗