Online Database of Chemicals

Identification

Name

(+)-Usniacin

Synonyms

D-Usnic acid; (+)-Usnein; D-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)-dibenzofurandione

Chinese Names

松萝酸; D-2,6-二乙酰基-7,9-二羟基-8,9b-二甲基-1,3(2H,9bH)-二苯并呋喃二酮

Molecular Structure

Molecular Formula

C18H16O7

Molecular Weight

344.32

CAS Registry Number

7562-61-0

EINECS

231-456-0

Properties

Melting point

201-203 ºC

alpha

488 º (c=0.4, CHCl3)

Safety Data

Hazard Symbols

   Xn        Details

Risk Codes

R22          Details

Safety Description

S36              Details

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Identification

Name

Ursonic acid benzyl ester

Synonyms

3-Oxo-urs-12-en-28-oic acid phenylmethyl ester

Chinese Names

熊果酸苄酯; 3-氧代乌苏-12-烯-28-酸苄酯

Molecular Structure

Molecular Formula

C37H52O3

Molecular Weight

544.81

CAS Registry Number

869788-71-6

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Identification

Name

Ursolic acid acetate

Synonyms

(3beta)-3-(Acetyloxy)-urs-12-en-28-oic acid

Chinese Names

熊果酸乙酸酯; (3beta)-3-(乙酰氧基)乌苏-12-烯-28-酸

Molecular Structure

Molecular Formula

C32H50O4

Molecular Weight

498.74

CAS Registry Number

7372-30-7

Properties

Synthesis: Isol. from various plants, e.g. Leptospermum scoparium.

Physics Description: Cryst. (EtOH aq.).

Melting Point: Mp 285 deg

Synonym

3-Hydroxy-12-ursen-28-oic acid;3β-form;Ac

Acetylursolic acid

[...]

Identification

Name

Ursolic acid

Synonyms

3beta-Hydroxyurs-12-en-28-oic acid

Chinese Names

熊果酸; 乌苏酸

Molecular Structure

Molecular Formula

C30H48O3

Molecular Weight

456.71

CAS Registry Number

77-52-1

EINECS

201-034-0

Properties

Melting point

283-285 ºC

alpha

59 º (c=0.3, pyridine)

Water solubility

insoluble

Safety Data

Safety Description

S24/25           Details

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Identification

Name

Ursodeoxycholic acid

Synonyms

3,7-Dihydroxycholan-24-oic acid; 3alpha,7beta-Dihydroxy-6beta-cholan-24-oic acid; Ursodiol

Chinese Names

熊去氧胆酸; 3alpha,7beta-二羟基-5beta-胆甾烷-24-酸

Molecular Structure

Molecular Formula

C24H40O4

Molecular Weight

392.58

CAS Registry Number

128-13-2

EINECS

204-879-3

Properties

Melting point

203-206 ºC

alpha

60 º (c=2, EtOH)

Water solubility

practically insoluble

Safety Data

Safety Description

S24/25           Details

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