Skip to Content
MilliporeSigma
All Photos(1)

Documents

553743

Sigma-Aldrich

4,4-Pentamethylene-2-pyrrolidinone

96%

Synonym(s):

3-Azaspiro[4.5]decan-2-one

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C9H15NO
CAS Number:
Molecular Weight:
153.22
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

assay

96%

form

solid

mp

84-89 °C (lit.)

SMILES string

O=C1CC2(CCCCC2)CN1

InChI

1S/C9H15NO/c11-8-6-9(7-10-8)4-2-1-3-5-9/h1-7H2,(H,10,11)

InChI key

JAWPQJDOQPSNIQ-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

4,4-Pentamethylene-2-pyrrolidinone (2-azaspiro[4.5]decan-3-one, gabapentin-lactam) is a degradation product of gabapentin.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Annalisa Cutrignelli et al.
International journal of pharmaceutics, 332(1-2), 98-106 (2006-10-31)
The aim of this study was to gain insights into the role played by some excipients on the stability of gabapentin 1 and baclofen 2 which can undergo degradation giving rise to the corresponding lactams 2-azaspiro[4.5]decan-3-one 3 and 4-(4-chlorophenyl)-2-pyrrolidone 4

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service