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ChemicalBook >> CAS DataBase List >> Pregnenolone

Pregnenolone

Pregnenolone price.
  • $5 - $2930
  • Product name: Pregnenolone
  • CAS: 145-13-1
  • MF: C21H32O2
  • MW: 316.48
  • EINECS:205-647-4
  • MDL Number:MFCD00003628
  • Synonyms:PREGNENOLONE(RG);PREGNENOLONE(3BETA-HYDROXYPREGN-5-EN-20-ONE);Progeserone;Pregnenolone 5-Pregnenolone;pregnenolone solution,100ppm;Pregnenolone 0;Pregnenolone/Pregnenolone acetate;3β-Hydroxy-5-pregnen-20-one, 5-Pregnen-3β-ol-20-one
110 prices
Selected condition:
Brand
  • aablocks
  • Absolute Chiral
  • AccelPharmtech
  • AHH
  • AK Scientific
  • American Custom Chemicals Corporation
  • ApexBio Technology
  • Arctom
  • AvaChem
  • Biorbyt Ltd
  • Biosynth
  • Cayman Chemical
  • Chemenu
  • ChemScene
  • Crysdot
  • IsoSciences
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TRC
  • Usbiological
Package
  • 1mg
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  • 10mM(in 1mL DMSO)
  • 10mM*1mLinDMSO(Solid+Solvent)
  • 1mL(100ug/mL)
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  • 1kg
  • 1000g
  • 10KG
  • Manufactureraablocks
  • Product numberAA003TVN
  • Product descriptionPregnenolone 98%
  • Packaging50g
  • Price$37
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003TVN
  • Product descriptionPregnenolone 98%
  • Packaging100g
  • Price$68
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003TVN
  • Product descriptionPregnenolone ≥98%
  • Packaging25g
  • Price$22
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003TVN
  • Product descriptionPregnenolone 98%
  • Packaging10g
  • Price$19
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003TVN
  • Product descriptionPregnenolone ≥98%
  • Packaging5g
  • Price$16
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003TVN
  • Product descriptionPregnenolone 98%
  • Packaging1g
  • Price$5
  • Updated2026-05-28
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  • Manufactureraablocks
  • Product numberAA003TVN
  • Product descriptionPregnenolone 98%
  • Packaging250g
  • Price$156
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003TVN
  • Product descriptionPregnenolone 98%
  • Packaging500g
  • Price$285
  • Updated2026-05-28
  • Buy
  • ManufacturerAbsolute Chiral
  • Product numberO3299-00-N
  • Product description1-((3S,10R,13S,17S)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethan-1-one 95%
  • Packaging100mg
  • Price$28
  • Updated2026-05-23
  • Buy
  • ManufacturerAccelPharmtech
  • Product numberXP2670
  • Product descriptionPregnenolone 99%+
  • Packaging10KG
  • Price$2930
  • Updated2026-05-21
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  • ManufacturerAHH
  • Product numberMT-21632
  • Product descriptionPregnenolone 98%
  • Packaging500g
  • Price$476
  • Updated2021-12-16
  • Buy
  • ManufacturerAHH
  • Product numberMT-21632
  • Product descriptionPregnenolone 97%
  • Packaging500g
  • Price$476
  • Updated2026-05-25
  • Buy
  • ManufacturerAHH
  • Product numberMT-21632
  • Product descriptionPregnenolone 97%
  • Packaging500g
  • Price$476
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ90874
  • Product description5-Pregnen-3beta-ol-20-one 95%
  • Packaging100g
  • Price$386
  • Updated2026-06-04
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ10307
  • Product descriptionPregnenolone 99%(HPLC),powder
  • Packaging25g
  • Price$225
  • Updated2026-06-04
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  • ManufacturerAK Scientific
  • Product numberF356
  • Product description5-Pregnen-3beta-ol-20-one 98%(HPLC)
  • Packaging100g
  • Price$483
  • Updated2026-06-04
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003TVN Pregnenolone 98% 50g $37 2026-05-28 Buy
aablocks AA003TVN Pregnenolone 98% 100g $68 2026-05-28 Buy
aablocks AA003TVN Pregnenolone ≥98% 25g $22 2026-05-28 Buy
aablocks AA003TVN Pregnenolone 98% 10g $19 2026-05-28 Buy
aablocks AA003TVN Pregnenolone ≥98% 5g $16 2026-05-28 Buy
aablocks AA003TVN Pregnenolone 98% 1g $5 2026-05-28 Buy
aablocks AA003TVN Pregnenolone 98% 250g $156 2026-05-28 Buy
aablocks AA003TVN Pregnenolone 98% 500g $285 2026-05-28 Buy
Absolute Chiral O3299-00-N 1-((3S,10R,13S,17S)-3-hydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethan-1-one 95% 100mg $28 2026-05-23 Buy
AccelPharmtech XP2670 Pregnenolone 99%+ 10KG $2930 2026-05-21 Buy
AHH MT-21632 Pregnenolone 98% 500g $476 2021-12-16 Buy
AHH MT-21632 Pregnenolone 97% 500g $476 2026-05-25 Buy
AHH MT-21632 Pregnenolone 97% 500g $476 2026-05-26 Buy
AK Scientific J90874 5-Pregnen-3beta-ol-20-one 95% 100g $386 2026-06-04 Buy
AK Scientific J10307 Pregnenolone 99%(HPLC),powder 25g $225 2026-06-04 Buy
AK Scientific F356 5-Pregnen-3beta-ol-20-one 98%(HPLC) 100g $483 2026-06-04 Buy

Properties

Melting point :188-190 °C
alpha :28.5 º (c=1, EtOH)
Boiling point :395.89°C (rough estimate)
Density :1.0382 (rough estimate)
vapor pressure :0-0Pa at 20-25℃
refractive index :1.5344 (estimate)
Flash point :9℃
storage temp. :Refrigerator
solubility :ethanol: soluble10mg/mL, clear, colorless to faintly yellow
form :Powder
pka :15.00±0.70(Predicted)
color :White to off-white
Water Solubility :41mg/L(room temperature)
Merck :7733
BRN :2059026
Major Application :clinical testing
clinical testing InChI :1S/C21H32O2/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/h4,15-19,23H,5-12H2,1-3H3/t15-,16-,17+,18-,19-,20-,21+/m0/s1
InChIKey :ORNBQBCIOKFOEO-QGVNFLHTSA-N
SMILES :O[C@H]1CC[C@@]2([C@@H]3[C@H]([C@H]4[C@@]([C@H](CC4)C(=O)C)(CC3)C)CC=C2C1)C
LogP :4.4 at 20℃
CAS DataBase Reference :145-13-1(CAS DataBase Reference)
NIST Chemistry Reference :Pregnenolone(145-13-1)

Safety Information

Symbol(GHS): Flame (GHS02)Exclamation Mark (GHS07)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Pregnenolone is an endogenous neurosteroid that is involved in the steroidogenesis of progesterone, glucocorticoids, mineralocorticoids, androgens, and estrogens, making it a prohormone. It has been observed to inhibit GABA-gated chloride currents by enhancing receptor desensitization. Pregnenolone is an inhibitor of GABA Receptor and an activator of PXR.

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