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Home > products > 1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-

1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl- cas no:125-46-2

Synonyms: Usnic acid(8CI);NSC 8517;Usnein;Usniacin;Usno;

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Identification
Chemical Properties
Safety Data
Toxicity

Identification

Name1,3(2H,9bH)-Dibenzofurandione,2,6-diacetyl-7,9-dihydroxy-8,9b-dimethyl-
CAS125-46-2
SynonymsUsnic acid(8CI);NSC 8517;Usnein;Usniacin;Usno;
EINECS(EC#)231-456-0
Molecular FormulaC₁₈H₁₆O₇
Molecular Weight344.34

Chemical Properties

refractive index495 ° (C=0.7, CHCl3)

Safety Data

Safety

Poison by subcutaneous and intravenous routes. Moderately toxic by ingestion. Mutation data reported. When heated to decomposition it emits acrid smoke and fumes. Used as an antibacterial and antimitotic agent.
Safety information of 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3-dione (125-46-2):
Safety Statements
22 Do not breathe dust
24/25 Avoid contact with skin and eyes
RTECS HP5270000

Toxicity

1.		dnd-esc 20 µmol/L		MUREAV Mutation Research. 89 (1981),95.
2.		cyt-mam:oth 3750 µg/L		PHMCAA Pharmacologist. 12 (1970),280.
3.		ivn-mus LD50:25 mg/kg		MEIEDD Merck Index. 10 (1983),1414.
4.		scu-mus LD50:75 mg/kg		85GDA2 CRC Handbook of Antibiotic Compounds. 9 (1982),89.
5.		ivn-mus LD50:25 mg/kg		MEIEDD Merck Index. 10 (1983),1414.
6.		orl-rbt LD50:500 mg/kg		ARZNAD Arzneimittel-Forschung. Drug Research. 5 (1955),507.

supplier list

Shanghai Tauto Biotech Co., Ltd.: Tel:+86-(21)-51320588; Address: No. 326, Aidisheng Rd , Zhangjiang Hi-tech Park, Shanghai 201203,

Aktin Chemicals, Inc.: Tel:+86-(28)-85159085; Address: Yongfeng Plaza, No.52, Yongfeng Road, Hi-tech Zone, Chengdu, Sichuan 610041,

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Chengdu Cogon Bio-tech Co., Ltd.: Tel:+86-(28)-8517-1192; Address: NO.52.YongFeng Rd, Chengdu, Sichuan 610041,

Kouting Chemical Co.,Ltd: Tel:+86-(21)-58116473; Address: Hunan Road, Pudong New District, Shanghai, Shanghai 201318,

Fleton Natural Products Co., Ltd: Tel:028-84400798; Address: Floor 2, Huaxiang Mansion No 47, Huaishu Street, Chengdu, China

Frapp's Pharma(HK) Co.,Ltd: Tel:+852 8133 0774; Address: Room 801,Mongkok Harbour Centre 638 Shanghai Street,Mongkok,Kowloon,Hongkong

Idea Dao Inrernational Group Co.,Limited: Tel:13720424382; Address: NO.1 cuihua road XIAN

HangZhou Peak Chemical Co.,Ltd: Tel:+86-571-88233073; Address: Rm. 3-502,Building 3 Tucuiyuan,Lakeside Garden,No.176 Wenyi West Road, HangZhou,China

Sichuan Xianxin Biotech Co.,Ltd.: Tel:+86-28-87601769; Address: No. 3435, Juanchengzhai Building, No.111, Unit 1 North Section, Erhuan Road, Southwest Jiaotong University, Chengdu, 610031, P.R.CHINA.

shijiazhuang viture imp&exp trading co.,ltd: Tel:+86-311-83808121; Address: A-610 GUYUN culture square Hongqi Street shijiazhuang hebei China

shanghai Tauto Biotech Co., Ltd: Tel:86-21-51320588; Address: No. 326, Aidisheng Rd , Zhangjiang Hi-tech Park, Shanghai , P.R.CHINA

Zhengzhou Tongguang Chemical Science C，.Ltd: Tel:-86-371-60107515; Address: No.120 Huanghe Road Zhengzhou

WuXi AppTec (Tianjin) Co,. Ltd.: Tel:86-22-59863146; Address: 111 HuangHai Road TEDA Tianjin, P. R. China

Xi'An Yikang Biological Products Co.,Ltd.: Tel:+86-029-63375284; Address: Address:4th floor of Saline Lake Institute of Chinese Academy of sciences, 66# Xi Yin Road, Yanta District, Xi’an China

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