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46272

Supelco

Ethisterone

VETRANAL®, analytical standard

Synonym(s):

17α-Ethynyltestosterone, 17β-Hydroxy-4,17α-pregnen-20-yn-3-one, 4,17α-Pregnen-17β-ol-20-yn-3-one

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About This Item

Empirical Formula (Hill Notation):
C21H28O2
CAS Number:
434-03-7
Molecular Weight:
312.45
Beilstein/REAXYS Number:
1889895
EC Number:
207-096-5
MDL number:
MFCD00003656
UNSPSC Code:
41116107
PubChem Substance ID:
329757117

grade

analytical standard

product line

VETRANAL®

shelf life

limited shelf life, expiry date on the label

drug control

regulated under CDSA - not available from Sigma-Aldrich Canada

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

mp

263-269 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@@]4(C)[C@H]3CC[C@@]4(O)C#C

InChI

1S/C21H28O2/c1-4-21(23)12-9-18-16-6-5-14-13-15(22)7-10-19(14,2)17(16)8-11-20(18,21)3/h1,13,16-18,23H,5-12H2,2-3H3/t16-,17+,18+,19+,20+,21+/m1/s1

InChI key

CHNXZKVNWQUJIB-CEGNMAFCSA-N

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Application

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

Legal Information

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

Pictograms

Health hazardEnvironment
GHS08,GHS09

signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Repr. 1A

Storage Class

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

wgk_germany

WGK 3

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number

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M Iqbal Choudhary et al.
Steroids, 70(12), 798-802 (2005-08-02)
The microbial transformation of the 17alpha-ethynyl-17beta-hydroxyandrost-4-en-3-one (1) (ethisterone) and 17alpha-ethyl-17beta-hydroxyandrost-4-en-3-one (2) by the fungi Cephalosporium aphidicola and Cunninghamella elegans were investigated. Incubation of compound 1 with C. aphidicola afforded oxidized derivative, 17alpha-ethynyl-17beta-hydroxyandrosta-1,4-dien-3-one (3), while with C. elegans afforded a new
Nondaily hormonal contraception: establishing a fit between product characteristics and patient preferences.
Jeffrey P Levine
The Journal of family practice, 53(11), 904-913 (2004-11-06)
How should we advise patients about the contraceptive patch, given the FDA warning?
Holly L Thacker et al.
Cleveland Clinic journal of medicine, 73(1), 45-47 (2006-02-01)
Stanisław Radowicki et al.
Ginekologia polska, 76(11), 884-889 (2006-03-29)
evaluation of the frequency of adverse events during the therapy with a transdermal contraceptive system (TCS) in comparison to an oral contraceptive. 20 healthy women aged 23.8 +/- 4.1 years without contraindication to steroid hormonal therapy and a history of
The Evra (ethinyl estradiol/norelgestromin) contraceptive patch: estrogen exposure concerns.
Eric Wooltorton
CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne, 174(2), 164-165 (2005-12-22)
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