Esculin CAS 531-75-9

Esculin CAS 531-75-9
Details:
Product Name: Esculin
CAS No.: 531-75-9
Molecular Formula: C15H16O9
Molecular Weight: 340.28
Melting Point: 203 °C
Specific Rotation: -88 °C (c=2, dioxane/water 1:1)
Boiling Point: 396.1 °C (rough estimate)
Density: 0.791 g/mL at 20 °C
Vapor Pressure: 0 Pa at 25 °C
Refractive Index: -79 °C (c=2.4, 50% Dioxane)
Flash Point: 15 °C
Solubility (methanol): 50 mg/mL hot, clear to very faintly turbid, yellow-green fluorescein.
Acidity Coefficient (pKa): 7.00 ± 0.20 (Predicted)
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Description
Technical Parameters

 

Products Description

 

Esculin is a coumarin compound extracted from the dried bark or twigs of the *Fraxinus chinensis* tree (family Oleaceae). It is the active ingredient in the traditional Chinese medicine *Fraxinus chinensis* bark. At room temperature, it is a white crystalline powder with a slightly bitter odor. It is soluble in hot alcohol, methanol, pyridine, ethyl acetate, and acetic acid (hydrate).

 

QQ20260327-154547

 

Application

 

Esculin possesses anti-inflammatory, antibacterial, anticoagulant, and analgesic activities, and exhibits a significant diuretic effect in mice. It can inhibit aldose reductase in the rat lens, is a growth inhibitor of Bacillus subtilis, and also has inhibitory effects on chemically induced carcinogenesis. It is used for content determination/identification/pharmacological experiments, etc.

 

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Quality Standard

Items

Standard

Assay

≥98%

Appearance

White powder

Pesticides

Negative

Ash

≤5.0%

Moisture

≤5.0%

Heavy metals

≤10ppm

Pb

≤1.0ppm

As

≤1.0ppm

Hg

≤0.1ppm

Cd

≤0.1ppm

Odor

Characteristic

Particle size

100% through 80 mesh

Total of bacteria

≤1000 cfu/g

Fungi

≤100 cfu/g

Salmgosella

Negative

Coli

Negative

Storage and transportation

 

Storage conditions: 2-8°C

 

product-480-328
product-480-328

Marketing

 

Our products are sold well in more than 60 countries and regions including North America, Western Europe, Southeast Asia, Central and South America, etc. We have established long-term and stable cooperative relations with pharmaceutical companies in Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India and other countries.

product-1600-900

 

product-1600-900

 

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