HuagongsheHuagongshe Chemistry Print Report · For research reference only

HCID 22975813Generated: October 31, 2026

Tert-butyl 3-oxo-8-azaspiro[4.5]dec-1-ene-8-carboxylate

tert-Butyl 3-oxo-8-azaspiro[4.5]dec-1-ene-8-carboxylate · 8-Azaspiro[4.5]dec-1-ene-8-carboxylic acid, 3-oxo-, 1,1-dimethylethyl ester

https://huagongshe.com/en/chemical/22975813

Tert-butyl 3-oxo-8-azaspiro[4.5]dec-1-ene-8-carboxylate molecular structure

Identifiers & Physical Properties

CAS No.	1793108-54-9
Molecular formula	C14H21NO3
Average molar mass	251.32 g/mol
Monoisotopic mass	251.15214353 g/mol
SMILES	CC(C)(C)OC(=O)N1CCC2(C=CC(=O)C2)CC1
InChIKey	KWQVEGBPAIRQQJ-UHFFFAOYSA-N
PubChem CID	22975813
EC No.	892-269-3

Chemical & Physical Properties

XLogP	1.7
Topological polar surface area	46.6
Hydrogen bond donors	0
Hydrogen bond acceptors	3
Rotatable bonds	2
Heavy atoms	18
Formal charge	0
Complexity	384
Boiling point	373.3±42.0 °C(Predicted)
Density	1.12±0.1 g/cm3(Predicted)
pKa (acidity coefficient)	-0.79±0.20(Predicted)
GHS pictogram	GHS07
Signal word	Warning
GHS hazard statements	H302-H315-H319-H335
GHS precautionary statements	P280-P305+P351+P338

Safety & Regulations

GHS classification	WarningH302 (100%): 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)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Hazard Classes and Categories	Acute Tox. 4 (100%)
Signal word	Warning
GHS pictogram	GHS07
GHS hazard statements	H302-H315-H319-H335
GHS precautionary statements	P280-P305+P351+P338