Cas no 128-20-1 (Pregnanolone)

Pregnanolone structure
Pregnanolone structure
Product Name:Pregnanolone
CAS No:128-20-1
MF:C21H34O2
MW:318.493466854095
MDL:MFCD00067137
CID:36203
Update Time:2025-09-28

Pregnanolone Chemical and Physical Properties

Names and Identifiers

    • Eltanolone
    • Pregnan-3a-ol-20-one
    • 3a,5b-Epimeric pregnanolone
    • 5β-Pregnan-3α-ol-20-
    • 5β-Pregnan-3α-ol-20-one
    • Pregnan-20-one,3-hydroxy-, (3a,5b)-
    • Pregnanolone
    • 3alpha-hydroxy-5beta-pregnan-20-one
    • 5-Pregnan-3-ol-20-one
    • Butabindide oxalate
    • pregnanalone
    • Pregnanolone II
    • SKF 6455
    • NSC 82867
    • EPIPREGNANOLONE
    • 3α,5β-Pregnanolone
    • Pregnan-3α-ol-20-one
    • Pregnan-3 a -ol-20-one
    • 3 a ,5 b -Epimeric pregnanolone
    • MDL: MFCD00067137
    • Inchi: 1S/C21H34O2/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/h14-19,23H,4-12H2,1-3H3/t14-,15-,16+,17-,18+,19+,20+,21-/m1/s1
    • InChI Key: AURFZBICLPNKBZ-YZRLXODZSA-N
    • SMILES: O[C@@H]1CC[C@@]2(C)[C@@H](C1)CC[C@H]1[C@@H]3CC[C@H](C(C)=O)[C@@]3(C)CC[C@@H]12

Computed Properties

  • Exact Mass: 318.25600

Experimental Properties

  • Density: 1.0234 (rough estimate)
  • Melting Point: 149 oC
  • Boiling Point: 397.64°C (rough estimate)
  • Refractive Index: 1.5344 (estimate)
  • PSA: 37.30000
  • LogP: 4.59520
  • Specific Rotation: D23 +59.6° (c = 0.3 in chloroform); D26 +108.5 ±1° (c = 9.23 mg/1.23 ml abs ethanol)

Pregnanolone Security Information

  • Hazard Category Code: 40
  • Safety Instruction: S22; S36
  • RTECS:TU4384000
  • Hazardous Material Identification: Xn
  • Risk Phrases:R40
  • Toxicity:LD50 in mice, rats (mg/kg): 66 ± 10, 27.5 ± 2.4 i.v. (Gyermek)

Pregnanolone Pricemore >>

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