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Merck

74003

Supelco

(−)-Cotinine

analytical standard

Synonym(s):

(S)-1-Methyl-5-(3-pyridyl)-2-pyrrolidinone, S(−)-1-Methyl-5-(3-pyridyl)-2-pyrrolidone

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About This Item

Empirical Formula (Hill Notation):
C10H12N2O
CAS Number:
Molecular Weight:
176.22
Beilstein:
83099
EC Number:
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24

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grade

analytical standard

Quality Level

Assay

≥98.5% (GC)

optical activity

[α]/D -21±2°, c = 1 in ethanol

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

bp

250 °C/150 mmHg (lit.)

mp

40-42 °C (lit.)

format

neat

storage temp.

2-8°C

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This Item
PHR2533C5923N3876
technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

-

technique(s)

-

technique(s)

-

format

neat

format

-

format

-

format

-

assay

≥98.5% (GC)

assay

-

assay

≥98%

assay

≥99% (GC)

optical activity

[α]/D -21±2°, c = 1 in ethanol

optical activity

-

optical activity

-

optical activity

[α]20/D −169°(lit.)

shelf life

limited shelf life, expiry date on the label

shelf life

-

shelf life

-

shelf life

-

Biochem/physiol Actions

Major metabolite of nicotine in humans.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

230.0 °F - closed cup

Flash Point(C)

110 °C - closed cup


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Mariana Belardinelli Rosa et al.
Acta odontologica Scandinavica, 78(4), 256-264 (2019-11-30)
Objective: The aim was to examine oral mechanical and gustatory sensitivities in adult smokers and to estimate salivary levels of cotinine by tobacco consumption. A total of 54 adults (20-45 years old; 28 males/26 females) were divided into two sex-paired groups:

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