Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
basic toxicokinetics, other
Remarks:
in silico
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
See enclosed files

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
pkCSM: predicting small-molecule pharmacokinetic properties using graph-based signatures
Author:
Pires DEV, Blundell TL and Ascher DB
Year:
2015
Bibliographic source:
Journal of Medicinal Chemistry, 58 (9):4066–4072
Reference Type:
other: web site
Title:
Unnamed
Year:
2018

Materials and methods

Objective of study:
absorption
distribution
excretion
metabolism
Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other: REACH Guidance on QSARs R.6
Qualifier:
according to guideline
Guideline:
other: REACH Guidance on IR&CSA, Chapter R.14, Occupational exposure assessment Update to change the scope of the guidance from exposure estimation to exposure assessment
Version / remarks:
August 2016
Principles of method if other than guideline:
pkCSM uses graph-based signatures to develop predictive models of central ADME properties. pkCSM performs as well or better than current methods.

Test material

1
Chemical structure
Reference substance name:
N,N-diethylhydroxylamine
EC Number:
223-055-4
EC Name:
N,N-diethylhydroxylamine
Cas Number:
3710-84-7
Molecular formula:
C4H11NO
IUPAC Name:
N,N-diethylhydroxylamine
Test material form:
liquid
Specific details on test material used for the study:
SMILES:
C(C)N(O)CC

Results and discussion

Main ADME resultsopen allclose all
Type:
absorption
Results:
Intestinal absorption (human): 92.784%
Type:
distribution
Results:
VDss (human) (log L/kg): 0.242
Type:
distribution
Results:
Fraction unbound (human) : 0.382
Type:
distribution
Results:
BBB permeability (log BB): 0.571
Type:
distribution
Results:
CNS permeability (log PS): -3.485
Type:
excretion
Results:
Total Clearance (log ml/min/kg): 1.602
Type:
excretion
Results:
Renal OCT2 substrate: no

Any other information on results incl. tables

Property

Model Name

Predicted Value

Unit

Absorption

Water solubility

-0.005

Numeric (log mol/L)

Absorption

Caco2 permeability

1.469

Numeric (log Papp in 10-6cm/s)

Absorption

Intestinal absorption (human)

100

Numeric (% Absorbed)

Absorption

Skin Permeability

-2.866

Numeric (log Kp)

Absorption

P-glycoprotein substrate

Yes

Categorical (Yes/No)

Absorption

P-glycoprotein I inhibitor

No

Categorical (Yes/No)

Absorption

P-glycoprotein II inhibitor

No

Categorical (Yes/No)

Distribution

VDss (human)

-0.102

Numeric (log L/kg)

Distribution

Fraction unbound (human)

0.751

Numeric (Fu)

Distribution

BBB permeability

0.053

Numeric (log BB)

Distribution

CNS permeability

-2.859

Numeric (log PS)

Metabolism

CYP2D6 substrate

No

Categorical (Yes/No)

Metabolism

CYP3A4 substrate

No

Categorical (Yes/No)

Metabolism

CYP1A2 inhibitior

No

Categorical (Yes/No)

Metabolism

CYP2C19 inhibitior

No

Categorical (Yes/No)

Metabolism

CYP2C9 inhibitior

No

Categorical (Yes/No)

Metabolism

CYP2D6 inhibitior

No

Categorical (Yes/No)

Metabolism

CYP3A4 inhibitior

No

Categorical (Yes/No)

Excretion

Total Clearance

0.522

Numeric (log ml/min/kg)

Excretion

Renal OCT2 substrate

No

Categorical (Yes/No)

Toxicity

AMES toxicity

No

Categorical (Yes/No)

Toxicity

Max. tolerated dose (human)

1.133

Numeric (log mg/kg/day)

Toxicity

hERG I inhibitor

No

Categorical (Yes/No)

Toxicity

hERG II inhibitor

No

Categorical (Yes/No)

Toxicity

Oral Rat Acute Toxicity (LD50)

2.384

Numeric (mol/kg)

Toxicity

Oral Rat Chronic Toxicity (LOAEL)

1.466

Numeric (log mg/kg_bw/day)

Toxicity

Hepatotoxicity

No

Categorical (Yes/No)

Toxicity

Skin Sensitisation

No

Categorical (Yes/No)

Toxicity

T.Pyriformistoxicity

-0.937

Numeric (log ug/L)

Toxicity

Minnow toxicity

2.611

Numeric (log mM)

 

Applicant's summary and conclusion