Bufa-20,22-dienolide,3,14-dihydroxy-, (3a,5b)-

Modify Date: 2025-09-05 23:45:34

Bufa-20,22-dienolide,3,14-dihydroxy-, (3a,5b)- Structure
Bufa-20,22-dienolide,3,14-dihydroxy-, (3a,5b)- structure
Common Name Bufa-20,22-dienolide,3,14-dihydroxy-, (3a,5b)-
CAS Number 465-20-3 Molecular Weight 386.52400
Density 1.226g/cm3 Boiling Point 556.6ºC at 760mmHg
Molecular Formula C24H34O4 Melting Point N/A
MSDS N/A Flash Point 189ºC

 Use of Bufa-20,22-dienolide,3,14-dihydroxy-, (3a,5b)-


3-epi-Bufalin (compound 2a) is the microbial transformation product of bufadienolide[1].

 Names

Name 5-(3,14-dihydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl)pyran-2-one
Synonym More Synonyms

  Biological Activity

Description 3-epi-Bufalin (compound 2a) is the microbial transformation product of bufadienolide[1].
Related Catalog
References

[1]. Ma X C, et al. Highly selective isomerization and dehydrogenation of three major bufadienolides at 3-OH by Fusarium solani[J]. Enzyme and microbial technology, 2007, 40(6): 1585-1591.

 Chemical & Physical Properties

Density 1.226g/cm3
Boiling Point 556.6ºC at 760mmHg
Molecular Formula C24H34O4
Molecular Weight 386.52400
Flash Point 189ºC
Exact Mass 386.24600
PSA 70.67000
LogP 4.24190
Vapour Pressure 1.05E-14mmHg at 25°C
Index of Refraction 1.593
InChIKey QEEBRPGZBVVINN-SIBWXOBNSA-N
SMILES CC12CCC(O)CC1CCC1C2CCC2(C)C(c3ccc(=O)oc3)CCC12O

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
EI2962400
CHEMICAL NAME :
5-beta-Bufa-20,22-dienolide, 3-alpha,14-dihydroxy-
CAS REGISTRY NUMBER :
465-20-3
LAST UPDATED :
199709
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C24-H34-O4
MOLECULAR WEIGHT :
386.58
WISWESSER LINE NOTATION :
L E5 B666TJ A1 E1 IQ OQ F- ET6OVJ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
970 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85ELDJ "Die Herzwirksamen Glykoside," Baumgarten, G., and W. Forster, Leipzig, Ger. Dem. Rep., VEB Georg Thieme, 1963 Volume(issue)/page/year: -,190,1963

 Safety Information

RIDADR UN 3172
Packaging Group II
Hazard Class 6.1(a)

 Precursor & DownStream

Precursor  0

DownStream  1

 Synonyms

3-epibufalin
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