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Periodic Table/Compounds/prol

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© Melvin Olsson 2025–2026
Data: IAEA & PubChem

prol

C₅H₉NO₂·115.130 g/mol·CID 6971047

IUPAC: (2S)-pyrrolidin-1-ium-2-carboxylate

Also known as: L-proline zwitterion, 3ip6, CHEBI:60039, (2S)-pyrrolidinium-2-carboxylate

2D structure of prol

Molecular Structure

Molecular Propertiesmass · H-bonds · stereo

Molecular Weight

115.130g/mol

Exact Mass

115.063329Da

Monoisotopic Mass

115.063329Da

XLogP

-1.9

Polar Surface Area

56.7Ų

Complexity

97

Formal Charge

0

H-Bond Donors

1

H-Bond Acceptors

2

Rotatable Bonds

0

Heavy Atoms

8

Stereo Centers

1

Bond Stereo

0

Drug-Likeness (Lipinski's Rule of Five)

✓ 115.1 g/mol
MW ≤ 500
✓ -1.9
LogP ≤ 5
✓ 1
H-bond donors ≤ 5
✓ 2
H-bond acceptors ≤ 10

Passes all rules — good oral bioavailability predicted

Chemical IdentifiersSMILES · InChI

InChI

InChI=1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)/t4-/m0/s1

Isomers8 compounds with formula C₅H₉NO₂

2D structure of (2S)-pyrrolidine-2-carboxylic acid

(2S)-pyrrolidine-2-carboxylic acid

CID 145742 · 115.1 g/mol

2D structure of pyrrolidine-2-carboxylic acid

pyrrolidine-2-carboxylic acid

CID 614 · 115.1 g/mol

2D structure of (2R)-pyrrolidine-2-carboxylic acid

(2R)-pyrrolidine-2-carboxylic acid

CID 8988 · 115.1 g/mol

2D structure of morpholine-4-carbaldehyde

morpholine-4-carbaldehyde

CID 20417 · 115.1 g/mol

2D structure of 1-aminocyclobutane-1-carboxylic acid

1-aminocyclobutane-1-carboxylic acid

CID 89643 · 115.1 g/mol

2D structure of methyl (Z)-3-aminobut-2-enoate

methyl (Z)-3-aminobut-2-enoate

CID 643918 · 115.1 g/mol

2D structure of 2-aminopent-4-enoic acid

2-aminopent-4-enoic acid

CID 14044 · 115.1 g/mol

2D structure of N-(hydroxymethyl)-2-methylprop-2-enamide

N-(hydroxymethyl)-2-methylprop-2-enamide

CID 70208 · 115.1 g/mol

External Resources

PubChem ↗Wikipedia ↗