9H-Xanthen-9-one,1,8-dihydroxy-2,6-dimethoxy-
- 中文别名：甲基当药宁
- 中文释义：甲基当药宁
- 英文别名：2-O-methylswertianin;
1,8-Dihydroxy-2,6-dimethoxy-9H-xanthen-9-one;
2-O-Methylswertianin;
Methylswertianin;
1,8-dihydroxy-3,7-dimethoxyxanthone;
metylswertianin;
swertsiaperennin;
7-O-methyl swertianin;
Swertiaperennin;
1,8-dihydroxy-2,6-dimethoxyxanthone;
1,8-dihydroxy-2,6-dimethoxyxanthen-9-one;
Xanthen-9-one,1,8-dihydroxy-2,6-dimethoxy
- CAS No.：22172-17-4
- 分子式：C15H12O6
- 分子量：288.2522
- 精确分子量：288.06300
- PSA：89.13000
- InChI：The Key: PUECEVJMPDNNHT-UHFFFAOYSA-N
- 分子结构式：
物化性质
- 密度：
- 1.452g/cm3
- 沸点：
- 546.3ºC at 760mmHg
- 闪点：
- 210.6ºC
- 折射率：
- 1.652
- 蒸汽压：
- 1.51E-12mmHg at 25°C
安全信息
- 密度：
- 1.452g/cm3
- 沸点：
- 546.3ºC at 760mmHg
- 闪点：
- 210.6ºC
- 折射率：
- 1.652
- 蒸汽压：
- 1.51E-12mmHg at 25°C
毒理性
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- ZD6034200
- CHEMICAL NAME :
- Xanthen-9-one, 1,8-dihydroxy-2,6-dimethoxy-
- CAS REGISTRY NUMBER :
- 22172-17-4
- BEILSTEIN REFERENCE NO. :
- 1351740
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C15-H12-O6
- MOLECULAR WEIGHT :
- 288.27
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
MUTATION DATA
- TYPE OF TEST :
- Mutation in microorganisms
- TEST SYSTEM :
- Bacteria - Salmonella typhimurium
- DOSE/DURATION :
- 100 ug/plate
- REFERENCE :
- CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA, 1255 Howard St., San Francisco, CA 94103) V.6- 1958- Volume(issue)/page/year: 32,2290,1984
海关数据
中国海关编码：2932999099
- 概述：
- 2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
- 申报要素：
- 品名, 成分含量, 用途
- 摘要/Summary：
- 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
