Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 2736939Generated: October 23, 2026

1-Methylpiperidine-4-carboxylic acid

N-Methylisonipecotic acid · 4-Carboxy-1-methylpiperidine · Lasmiditan Impurity 45 Monomer · 1-METHYL-PIPERIDIN-4-CARBOXYLIC ACID · N-METHYLPIPERIDINE-4-CARBOXYLIC ACID · N-METHYL-4-PIPERIDINE CARBOXYLIC ACID · 1-METHYL-PIPERIDINE-4-CARBOXYLIC ACID · 1-methyl-Ppiperidine-4-carboxylic'acid

https://huagongshe.com/en/chemical/2736939

1-Methylpiperidine-4-carboxylic acid molecular structure

Identifiers & Physical Properties

CAS No.68947-43-3
Molecular formulaC7H13NO2
Average molar mass143.18 g/mol
Monoisotopic mass143.09462866 g/mol
SMILESCN1CCC(C(=O)O)CC1
InChIKeyHCKNAJXCHMACDN-UHFFFAOYSA-N
PubChem CID2736939
EC No.691-793-8
DTXSIDDTXSID50371717

Chemical & Physical Properties

XLogP-2
Topological polar surface area40.5
Hydrogen bond donors1
Hydrogen bond acceptors3
Rotatable bonds1
Heavy atoms10
Formal charge0
Complexity128
Boiling point246.1±33.0 °C(Predicted)
Density1.103
Refractive index1.488
Storage conditionsSealed in dry,Room Temperature
Physical statesolid
pKa (acidity coefficient)3.16±0.20(Predicted)
ColorPale yellow
InChIInChI=1S/C7H13NO2/c1-8-4-2-6(3-5-8)7(9)10/h6H,2-5H2,1H3,(H,9,10)
InChIKeyHCKNAJXCHMACDN-UHFFFAOYSA-N
SMILESN1(C)CCC(C(O)=O)CC1
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302+H312+H332-H315-H319-H335
GHS precautionary statementsP271-P260-P280
Hazard symbolsXi
Hazard NoteIrritant
Customs code29333990

Safety & Regulations

GHS classificationWarningH302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 4 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (50%)
Customs code29333990
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
hazard_noteIrritant
GHS hazard statementsH302+H312+H332-H315-H319-H335
GHS precautionary statementsP271-P260-P280

Applications & Uses

Uses

1-Methylpiperidine-4-carboxylic acid is a heterocyclic organic compound and can be used as a pharmaceutical intermediate.