swertianin


  • 中文别名:当药宁
  • 中文释义:当药宁;1,2,8-三羟基-6-甲氧基-9H-呫吨-9-酮
  • 英文别名:9H-Xanthen-9-one, 1,2,8-trihydroxy-6-methoxy-;
    Xanthen-9-one, 1,2,8-trihydroxy-6-methoxy- (6CI,8CI);
    1,2,8-Trihydroxy-6-methoxy-9H-xanthen-9-one;
    1,3,7,8-Tetrahydroxyxanthone 3-methyl ether;
    1,7,8-Trihydroxy-3-methoxyxanthone;
    3-Methoxy-1,7,8-trihydroxyxanthone;
    Gentiakochianin;
    Gentiakoxianin;
    NSC 289490;
    Swertianin;
    Swertianine 
  • CAS No.:20882-75-1
  • 分子式:

    C14H10O6

  • 分子量:274.22600
  • 精确分子量:274.04774
  • PSA:100.13000
  • InChI:The Key: BDBVOZGRVBXANN-UHFFFAOYSA-N
  • 分子结构式:

物化性质

密度:
1.586g/cm3
熔点:
243℃
沸点:
576.9ºC at 760 mmHg
闪点:
226.7ºC
折射率:
1.714
蒸汽压:
6.59E-14mmHg at 25°C

安全信息

密度:
1.586g/cm3
熔点:
243℃
沸点:
576.9ºC at 760 mmHg
闪点:
226.7ºC
折射率:
1.714
蒸汽压:
6.59E-14mmHg at 25°C

毒理性

CHEMICAL IDENTIFICATION

RTECS NUMBER :
ZD6116600
CHEMICAL NAME :
Xanthen-9-one, 6-methoxy-1,2,8-trihydroxy-
CAS REGISTRY NUMBER :
20882-75-1
BEILSTEIN REFERENCE NO. :
1351024
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C14-H10-O6
MOLECULAR WEIGHT :
274.24

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%

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