Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
appearance / physical state / colour
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)

Data source

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
(S)-N-[(Diethylamino)methyl]-.alpha.-ethyl-2-oxo-1-pyrrolidineacetamide L-(+)-tartrate
EC Number:
700-272-7
Cas Number:
754186-36-2
Molecular formula:
C17H31N3O8
IUPAC Name:
(S)-N-[(Diethylamino)methyl]-.alpha.-ethyl-2-oxo-1-pyrrolidineacetamide L-(+)-tartrate
Constituent 2
Reference substance name:
(S)-N-((diethylamino)methyl)-2-(2-oxopyrrolidin-1-yl)butanamide (2R,3R)-2,3-dihydroxysuccinate
IUPAC Name:
(S)-N-((diethylamino)methyl)-2-(2-oxopyrrolidin-1-yl)butanamide (2R,3R)-2,3-dihydroxysuccinate

Results and discussion

Form / colour / odour
Colour:
White solid if it is methanol solvate or hydrate.
The manufactured Leve-Tartrat is a solvate with one molecule of methyl alcohol in its crystalline structure. In contact with the ambient humidity, the methyl alcohol molecule is replaced by a water molecules and the product becomes a hydrate.
Substance type:
organic

Applicant's summary and conclusion