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Y0001006

Dydrogesterone impurity B

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

Pregna-4,6-diene-3,20-dione

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About This Item

Empirical Formula (Hill Notation):
C21H28O2
CAS Number:
Molecular Weight:
312.45
UNSPSC Code:
41116107
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

dydrogesterone

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

InChI

1S/C21H28O2/c1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h4-5,12,16-19H,6-11H2,1-3H3/t16-,17+,18-,19-,20-,21+/m0/s1

InChI key

JGMOKGBVKVMRFX-LEKSSAKUSA-N

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Dydrogesterone impurity B EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

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Nataša Beranič et al.
The Journal of steroid biochemistry and molecular biology, 130(1-2), 16-25 (2012-01-17)
The human aldo-keto reductase AKR1C2 converts 5α-dihydrotestosterone to the less active 3α-androstanediol and has a minor 20-ketosteroid reductase activity that metabolises progesterone to 20α-hydroxyprogesterone. AKR1C2 is expressed in different peripheral tissues, but its role in uterine diseases like endometriosis has
Tea Lanišnik Rižner et al.
Steroids, 76(6), 607-615 (2011-03-08)
Dydrogesterone is widely used for menstrual disorders, endometriosis, threatened and habitual abortion and postmenopausal hormone replacement therapy. Although progestins have a promiscuous nature, dydrogesterone does not have clinically relevant androgenic, estrogenic, glucocorticoid or mineralocorticoid activities. To date, systematic biochemical characterization
Zahiruddin Othman et al.
Menopause (New York, N.Y.), 18(11), 1219-1224 (2011-09-20)
The aim of this study was to evaluate the verbal learning and memory performance of postmenopausal women who received tualang honey (Agro Mas) in comparison with women receiving estrogen plus progestin therapy and untreated controls. A total of 102 postmenopausal
A J Scheen et al.
Revue medicale de Liege, 66(4), 209-214 (2011-06-07)
Femoston Low is a hormone replacement therapy that combines low dosages of steroids, i.e. 0.5 mg of estradiol and 2.5 mg of dydrogesterone. This oral preparation should be taken continuously to treat climacteric symptoms in menopausal women. Femoston Low is
A R Genazzani et al.
Climacteric : the journal of the International Menopause Society, 14(6), 661-668 (2011-09-29)
Sexual desire is affected by endocrine and psychosocial factors. Menopausal hormonal changes are relevant to the causes of sexual dysfunction during reproductive aging. To evaluate the effects of different types of hormonal replacement therapy (HRT) on sexual function, frequency of

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