ALLOPREGNANOLONE
Description Properties Discovery Biological functions Uses Clinical implications Regulation of synthesis and release- Product Name
- ALLOPREGNANOLONE
- CAS No.
- 516-55-2
- Chemical Name
- ALLOPREGNANOLONE
- Synonyms
- ISOPREGNANOLONE;Alloepipregnanolone;3-beta-allopregnanolone;5A-PREGNAN-3BETA-OL-20-ONE;u0949;NSC 97078;Isoallopregnanolone;Tetrahydroprogesterone;5α-Dihydropregnenolone;3-Hydroxypregnan-20-one
- CBNumber
- CB3450002
- Molecular Formula
- C21H34O2
- Formula Weight
- 318.49
- MOL File
- 516-55-2.mol
ALLOPREGNANOLONE Property
- Melting point:
- 200℃
- alpha
- D27 +91.2° (c = 0.4 in ethanol)
- Boiling point:
- 431.2±18.0 °C(Predicted)
- Density
- 1.1 g/cm3
- storage temp.
- Refrigerator
- solubility
- Chloroform (Slightly), Methanol (Slightly)
- form
- Solid
- pka
- 15.12±0.70(Predicted)
- color
- White to Off-White
- CAS DataBase Reference
- 516-55-2(CAS DataBase Reference)
Safety
- RTECS
- TU4383200
N-Bromosuccinimide Price
- Product number
- 3653
- Product name
- Allopregnanolone
- Packaging
- 10
- Price
- $186
- Updated
- 2021/12/16
- Product number
- FA67990
- Product name
- Allopregnanolone
- Packaging
- 5G
- Price
- $190
- Updated
- 2021/12/16
- Product number
- FA67990
- Product name
- Allopregnanolone
- Packaging
- 10g
- Price
- $300
- Updated
- 2021/12/16
- Product number
- 374671
- Product name
- (3β,5α)-3-Hydroxypregnan-20-one
- Packaging
- 250mg
- Price
- $20
- Updated
- 2021/12/16
- Product number
- 374671
- Product name
- (3β,5α)-3-Hydroxypregnan-20-one
- Packaging
- 1g
- Price
- $40
- Updated
- 2021/12/16
ALLOPREGNANOLONE Chemical Properties,Usage,Production
Description
Allopregnanolone is a neuroactive metabolite of progesterone. It is a potent positive allosteric modulator of the action of GABA on the GABAA receptor.
Properties
Mr of allopregnanolone is 318.49 and its melting point is 168°C.
Discovery
The presence of a progestational compound in the rabbit adrenal gland was reported in 1933, and was isolated in 1938 from the ox adrenal gland.Allopregnanolone formation was demonstrated in the brains of various vertebrates2–5 and the pineal glands of birds.
Biological functions
Allopregnanolone mediates its effects through modulation of the GABAA receptor.Allopregnanolone is reported to modulate the GABA-ergic function by increasing the GABAA receptor opening frequency and duration of the receptor at concentrations in the nanomolar range. A balance between unbinding, desensitization, and reopening of the desensitized GABAA receptor underlies the delay of the inhibitory postsynaptic currents. Allopregnanolone slows the rate of recovery of the GABAA receptor from desensitization and possibly increases the rate of entry into fast desensitized states. Allopregnanolone exerts neurogenetic, neuroprotective, antidepressant, and anxiolytic effects. Reduced levels of allopregnanolone are found to be associated with major depression, anxiety disorders, premenstrual dysphoric disorder, and Alzheimer’s disease. Allopregnanolone is actively produced in the pineal gland compared with the brain and pineal allopregnanolone acts on Purkinje cells to prevent apoptosis in the juvenile quail.
Uses
Isopregnanolone is used in the preparation of antimicrobial and anti-leukemic steroids. Intermediate.
Clinical implications
Decreased production of allopregnanolone leads to NP-C; thus allopregnanolone treatment may be useful in ameliorating progression of the disease.In patients with Alzheimer’s disease, the level of allopregnanolone in the temporal cortex was significantly lower than controls, in contrast to pregnenolone and dehydroepiandrosterone where the concentrations were increased.This may be explained by altered regulation of the neurosteroid biosynthetic pathway, which blocks allopregnanolone formation.
Regulation of synthesis and release
Allopregnanolone synthesis is stimulated by swim stress.In swim stress models, increased allopregnanolone is associated with decreased dopamine and norepinephrine in the prefrontal cortex, suggesting that allopregnanolone influences the mesolimbocortical dopamine pathway.In vivo treatment of the rat with the dopamine D4 antagonist clozapine induces a rapid increase in the concentration of allopregnanolone in the cerebral cortex and striatum.
Uses
Isopregnanolone is used in the preparation of antimicrobial and anti-leukemic steroids. Intermediate.
Definition
ChEBI: 3beta-hydroxy-5alpha-pregnan-20-one is a 3-hydroxy-5alpha-pregnan-20-one.
ALLOPREGNANOLONE Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from ALLOPREGNANOLONE manufacturers
- Product
- 3β-hydroxy-5α-pregnan-20-one 516-55-2
- Price
- US $0.00/kg
- Min. Order
- 25kg
- Purity
- 98%
- Supply Ability
- Inquiry
- Release date
- 2022-10-20
- Product
- 3-Beta-Allopregnanolone 516-55-2
- Price
- US $0.00-0.00/Kg
- Min. Order
- 1Kg
- Purity
- 99.9%
- Supply Ability
- 30000 KG
- Release date
- 2023-10-13
- Product
- ALLOPREGNANOLONE 516-55-2
- Price
- US $35.00-25.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 20 Ton
- Release date
- 2023-10-17