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46207

Supelco

Diethylstilbestrol

VETRANAL®, analytical standard

Synonym(s):

(E)-3,4-Bis(4-hydroxyphenyl)-3-hexene, DES, Stilbestrol

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About This Item

Empirical Formula (Hill Notation):
C18H20O2
CAS Number:
Molecular Weight:
268.35
Beilstein:
2056095
EC Number:
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

analytical standard

Quality Level

product line

VETRANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

CC\C(c1ccc(O)cc1)=C(\CC)c2ccc(O)cc2

InChI

1S/C18H20O2/c1-3-17(13-5-9-15(19)10-6-13)18(4-2)14-7-11-16(20)12-8-14/h5-12,19-20H,3-4H2,1-2H3/b18-17+

InChI key

RGLYKWWBQGJZGM-ISLYRVAYSA-N

Gene Information

human ... ESR1(2099)

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General description

Diethylstilbestrol (DES) belongs to the synthetic oestrogens class of compounds.

Application

DES has been used as a reference standard for the determination of DES in:
  • Dairy products by QuEChERS (quick, easy, cheap, effective, rugged, and safe) extraction procedure and ultra-high performance liquid chromatography-triple quadrupole mass spectrometry (UHPLC-QqQ MS/MS) equipped with electrospray ionization (ESI) and multiple reaction monitoring (MRM) mode of detection.
  • Water samples by magnetic micro-dispersive solid-phase extraction (m-μSPE) and HPLC-MS.

It may be used as a reference standard for the analysis of DES in
  • Aquatic products by modified QuEChERS extraction and multiplug filtration clean-up (m-PFC) followed by LC-ESI-MS/MS with MRM mode of detection.
  • Milk samples by vortex-assisted hollow fibre liquid-phase microextraction (VA-HF-LPME) and HPLC with diode array detection (HPLC-DAD).

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Recommended products

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

Legal Information

VETRANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Irrit. 2 - Repr. 1B - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

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Early menarche is related to increased risk of breast cancer. The number of established factors that contribute to early menarche is limited. We studied prenatal and infant exposures in relation to age at menarche in a nationwide cohort of women

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