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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Acute Toxicity: oral

Currently viewing:

Administrative data

Endpoint:
acute toxicity: oral
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1983

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Test type:
other:
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
N6-(1-oxooctyl)-L-lysine
EC Number:
245-854-7
EC Name:
N6-(1-oxooctyl)-L-lysine
Cas Number:
23735-96-8
Molecular formula:
CH3-(CH2)6-CO-NH-(CH2)4-CH(-NH2; -COOH)
IUPAC Name:
(2S)-2-amino-6-octanamidohexanoic acid

Test animals

Species:
rat
Strain:
Wistar
Sex:
female
Details on test animals or test system and environmental conditions:
Test animals: Crl:WI (Charles River Deutschland)

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
water
Doses:
2000 mg/kg
No. of animals per sex per dose:
2 x 3 rats
Control animals:
no

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Mortality:
none
Clinical signs:
other: On the day of application, after 0.5, 2 and 4 hrs piloerection was observed in all 6 rats. Additionally, all 6 rats showed a hunched posture after 2 hrs. After 6 hrs and from day 1 to day 14, all rats were free of any abnormalities.
Gross pathology:
No pathological signs observed

Applicant's summary and conclusion

Conclusions:
The oral LD50 is >2000 mg/kg b.w. Not classified