Home Categories 5β-Pregnan-3α-ol-20-one
M4642353

5β-Pregnan-3α-ol-20-one , 98% , 128-20-1

Synonym(s):
3α-Hydroxy-5β-pregnan-20-one;3α-Hydroxy-5β-tetrahydroprogesterone;Pregnanolone

CAS NO.:128-20-1

Empirical Formula: C21H34O2

Molecular Weight: 318.49

MDL number: MFCD00067137

Pack Size Price Stock Quantity
5mg RMB1288.00 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 149°C
alpha  D23 +59.6° (c = 0.3 in chloroform); D26 +108.5 ±1° (c = 9.23 mg/1.23 ml abs ethanol)
Boiling point: 397.64°C (rough estimate)
Density  1.0234 (rough estimate)
refractive index  1.5344 (estimate)
storage temp.  Store at RT
solubility  Chloroform (Slightly), Ethanol (Slightly), Methanol (Slightly)
pka 15.12±0.70(Predicted)
form  Solid
color  White to Off-White
Water Solubility  8mg/L(room temperature)
NIST Chemistry Reference 3Alpha-hydroxy-5beta-pregnan-20-one(128-20-1)

Description and Uses

A hyponotic-anaesthetic agent.

Safety

Symbol(GHS) 
GHS08
Signal word  Warning
Hazard statements  H351
Precautionary statements  P281
Hazard Codes  Xn
Risk Statements  40
Safety Statements  22-36
WGK Germany  3
RTECS  TU4384000
Toxicity LD50 in mice, rats (mg/kg): 66 ± 10, 27.5 ± 2.4 i.v. (Gyermek)

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