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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 231225Generated: October 23, 2026

Methyl 1-amino-1-cyclopentanecarboxylate (H-Ac5c-OMe)

Cycloleucine Methyl Ester · NSC 26981 · 1-Amino-1-methoxycarbonyl-cyclopentan · methyl 1-aminocyclopen tanecarboxylate · METHYL 1-AMINO-1-CYCLOPENTANECARBOXYLATE · METYHL 1-AMINO-1-CYCLOPENTANECARBOXYLATE · Methyl 1-aMinocyclopentane-1-carboxylate · Methyl 1-amino-1-cyclopentanecarboxylate HCl

https://huagongshe.com/en/chemical/231225

Methyl 1-amino-1-cyclopentanecarboxylate (H-Ac5c-OMe) molecular structure

Identifiers & Physical Properties

CAS No.78388-61-1
Molecular formulaC7H13NO2
Average molar mass143.18 g/mol
Monoisotopic mass143.09462866 g/mol
SMILESCOC(=O)C1(N)CCCC1
InChIKeyVLNNACMZTDZCFH-UHFFFAOYSA-N
PubChem CID231225
EC No.894-353-5
DTXSIDDTXSID50282637

Chemical & Physical Properties

XLogP0.3
Topological polar surface area52.3
Hydrogen bond donors1
Hydrogen bond acceptors3
Rotatable bonds2
Heavy atoms10
Formal charge0
Complexity139
Melting point203-205 °C
Boiling point186.7±23.0 °C(Predicted)
Density1.081±0.06 g/cm3(Predicted)
Storage conditionsKeep in dark place,Inert atmosphere,Store in freezer, under -20°C
SolubilityDichloromethane, Ethyl Acetate, Methanol
Physical statePale Yellow Liquid
pKa (acidity coefficient)7.71±0.20(Predicted)
AppearanceColorless to light yellow Liquid
Risk statements (R)36/37/38
Safety statements (S)26-36/37/39

Safety & Regulations

GHS classificationDangerH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Risk statements (R)36/37/38
Safety statements (S)26-36/37/39

Applications & Uses

Uses

This molecule can be incorporated into specific Cathepsin B inhibitors to increase their specificity.