2,5-Diaminopentanoic Acid

HCID 389CAS 33960-23-5

Basic information

Standard SMILES
NCCCC(N)C(=O)O
InChIKey
AHLPHDHHMVZTML-UHFFFAOYSA-N
Molecular formula
C5H12N2O2
Average molar mass
132.16 g/mol
Monoisotopic mass
132.08987763

Names & identifiers

Preferred name
2,5-Diaminopentanoic Acid
IUPAC
2,5-diaminopentanoic acid
English name
DL-ornithine
Molecular formula
C5H12N2O2
Molecular weight
132.16

Names & synonyms

2,5-Diaminopentanoic acidRefChem:135313DL-Ornithine616-07-9Ornithine, DL-(+/-)-Ornithine128551-39-32381769MQCL-Ornithine-[2,3-3H]Ornithine DL-formNSC118360UNII-2381769MQC
Show more names
Ornithine,DL-DL-ornithine USP/EP/BP2,5-bis(azanyl)pentanoic acidDL-Ornithine 50% aqueous solutionrac-(2R*)-2,5-Diaminopentanoic acid
EINECS 210-463-2(RS)-ORNITHINENCGC00183365-01SCHEMBL85782,5-Diamino-pentanoic acidSCHEMBL3505652SCHEMBL5011547SCHEMBL9346606

Database identifiers

CAS
33960-23-5、616-07-9
PubChem CID
389
DTXSID
DTXSID00860383
ChEMBL
CHEMBL2009502
ChEBI
CHEBI:18257
UNII
2381769MQC
EC Number
210-463-2
Nikkaji
J1.288B

Properties

Computed structural properties

XLogP
-4.4
Topological polar surface area
89.3 Ų
Hydrogen bond donors
3
Hydrogen bond acceptors
4
Rotatable bonds
4
Heavy atoms
9

Experimental & physicochemical properties

Collision Cross Section128.1 Ų [M+H]+;136.3 Ų [M-H]-

Physicochemical properties

Melting point
232 °C · 232 °C
Boiling point
308.7 · 308.7±32.0 °C(Predicted)
Density
1.165 · 1.165±0.06 g/cm3(Predicted)
pka
2.45 · 2.45±0.24(Predicted)
FDA UNII
2381769 MQC · 2381769MQC

Chemistry & industry

Suppliers9 total

Hangzhou Sage Chemical Co., Ltd.+86057186818502 13588463833 · [email protected]
陕西缔都医药化工有限公司029-029-81120477 17792793610 · [email protected]
陕西缔都医药化工有限公司+86-29-81139210 +86-17392587031 · [email protected]
江苏洪珉药业有限公司18221292452 · [email protected]
四川嘉瑛莱科技有限责任公司028-64159575 · [email protected]
Additional notes · 1 item

DefinitionChEBI: Ornithine is an alpha-amino acid that is pentanoic acid bearing two amino substituents at positions 2 and 5. It has a role as a human metabolite, a Daphnia magna metabolite, an algal metabolite and an Escherichia coli metabolite. It is a conjugate base of an ornithinium(1+). It is a conjugate acid of an ornithinate.

Related reactions

6 records

Linked notes

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