H4525
19-Hydroxytestosterone
≥98% (HPLC)
Synonym(s):
4-Androstene-17β,19-diol-3-one
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About This Item
Empirical Formula (Hill Notation):
C19H28O3
CAS Number:
Molecular Weight:
304.42
UNSPSC Code:
12352200
MDL number:
assay
≥98% (HPLC)
drug control
USDEA Schedule III; Home Office Schedule 4.2; regulated under CDSA - not available from Sigma-Aldrich Canada
SMILES string
C[C@]12CC[C@H]3[C@@H](CCC4=CC(=O)CC[C@]34CO)[C@@H]1CC[C@@H]2O
signalword
Warning
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Carc. 2 - Repr. 2
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
Regulatory Information
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S Watanabe et al.
Endocrine journal, 41(4), 421-427 (1994-08-01)
19-Hydroxyandrogens are known to be an intermediary metabolite in the aromatizing reaction, though the physiological role of this compound has not yet been clarified. In this study, microsomes obtained from human corpus luteum were incubated with testosterone or 19-hydroxytestosterone (19-OHT)
P A Cole et al.
The Biochemical journal, 268(3), 553-561 (1990-06-15)
Aromatase is a cytochrome P-450 enzyme that catalyzes the conversion of androgens into oestrogens via sequential oxidations at the 19-methyl group. Despite intensive investigation, the mechanism of the third step, conversion of the 19-aldehydes into oestrogens, has remained unsolved. We
Comparative studies of androgen metabolism in theca and granulosa cells of human follicles in vitro.
Y S Moon et al.
Steroids, 39(4), 419-430 (1982-04-01)
In eight separate experiments, theca and granulosa were isolated from human follicles (5-25 mm in diameter), and their capacities to metabolize radiolabelled testosterone in 24 hour cultures were assessed. Theca metabolized testosterone primarily to androstenedione, however significant aromatization to estradiol-17