产品名称

七叶亭

CAS NO

305-01-1

中文别名

6,7-二羟基香豆素;七页亭

英文名称

2H-1-Benzopyran-2-one,6,7-dihydroxy-

英文别名

Coumarin,6,7-dihydroxy- (8CI); Esculetin (6CI); 6,7-Dihydroxy-2-benzopyrone;6,7-Dihydroxycoumarin; Aesculetin; Asculetine; Cichorigenin; Cichoriin aglycon;Esculetol; Esculin aglycon; NSC 26428

分子式

C₉H₆O₄

分子量

178.14

EINECS

206-161-5

熔点

271-273°C(lit.)

沸点

469.7oC at 760 mmHg

毒性

二、毒理学数据：急性毒性：不可用 。

 Esculetin

Cat. No.: YS0226

CAS Number: 305-01-1

M. F.: C9H6O4

M. W.: 178.14

Batch No.: 20170701

Batch quantity:5.3g

Report date:  2017-07-01

Analytical result:

Test Item	Specifications	Results
Index	Company Standard	Result
Appearance	white to off-white powder	Conform
Identification by MS	(M.W.): 178.14	178.1
Water	<5%	0.9%
Purity	≥98%	98.29%
Related Substance(By HPLC)	Total Impurities(%)≦2.0%	1.51%
	Largest Single Impurity(%)≦1.0%	0.62%
Conclusion：the test results is conformed to the specification qualified

 Package: Brown vial

Storage: 2-8℃, Cool Dry place, protected from light, keep package airproofed when not in use. Please store in 2-8℃ flong term storage

Retest date: 3  years (2020-06-01) under conditions list above.

Remarks：In case of quality issue, please contact us within 15 days after receipt of the product.