品牌现货直购
供应商:我要出现这里




查看所有供应商和价格请点击:

486-21-5生产厂家

486-21-5价格

486-21-5

486-21-5结构式
486-21-5结构式
  • 常用中文名:异秦皮啶
  • 常用英文名:Isofraxidin
  • CAS号:486-21-5
  • 分子式:C11H10O5
  • 分子量:222.194
  • 相关类别: 生物化工 植物提取物
  • 发布时间:2018-03-22 08:00:00
  • 更新时间:2024-01-02 00:48:17
  • Isofraxidin 来自 Acanthopanax senticosus 的一种香豆素成分,抑制 MMP-7 表达和人肝癌细胞侵袭。Isofraxidin 作用于肝癌细胞,抑制 ERK1/2 磷酸化。Isofraxidin 减弱 iNOS 和 COX-2 表达,Isofraxidin 还抑制 TLR4/髓样分化蛋白 2 (MD-2) 复合物的形成。

化源商城直购

中文名 异嗪皮啶
英文名 7-hydroxy-6,8-dimethoxychromen-2-one
中文别名 7-羟基-6,8-二甲氧基苯并吡喃-2-酮
7-羟基-6,8-二甲氧基香豆素
英文别名 isoferaxidin
7-Hydroxy-6,8-dimethoxy-2H-chromen-2-one
iso-Fraxidin
Phytodolor
6,8-dimethoxy-7-hydroxycoumarin
MFCD00221757
7-Hydroxy-6,8-dimethoxy-2H-1-benzopyran-2-one
7-Hydroxy-6,8-dimethoxy coumarin
2H-1- Benzopyran-2-one, 7-hydroxy-6,8-dimethoxy-
Coumarin,7-hydroxy-6,8-dimethoxy
Isofraxidin
7-hydroxy-6,8-dimethoxy-chromen-2-one
2H-1-Benzopyran-2-one, 7-hydroxy-6,8-dimethoxy-
6,8-Dimethoxyumbelliferone,7-Hydroxy-6,8-dimethoxychromen-2-one,7-Hydroxy-6,8-dimethoxycoumarin
Umbelliferone,6,8-dimethoxy
7-Hydroxy-6,8-dimethoxy-cumarin
描述 Isofraxidin 来自 Acanthopanax senticosus 的一种香豆素成分,抑制 MMP-7 表达和人肝癌细胞侵袭。Isofraxidin 作用于肝癌细胞,抑制 ERK1/2 磷酸化。Isofraxidin 减弱 iNOS 和 COX-2 表达,Isofraxidin 还抑制 TLR4/髓样分化蛋白 2 (MD-2) 复合物的形成。
相关类别
靶点

COX-2

TLR4

MMP-7

体外研究 异黄酮通过抑制肝癌细胞ERK1/2磷酸化,在无毒水平上抑制MMP-7的表达和体外细胞侵袭[1]。异黄酮竞争性地抑制TLR4/MD-2复合物的形成,从而抑制TLR4/NF-κB信号级联。异黄酮在治疗骨关节炎(OA)中具有潜在的作用[2]。
参考文献

[1]. Yamazaki T, et al. Isofraxidin, a coumarin component from Acanthopanax senticosus, inhibits matrix metalloproteinase-7 expression and cell invasion of human hepatoma cells.Biol Pharm Bull. 2010;33(10):1716-22.

[2]. Jin J , et al. Isofraxidin targets the TLR4/MD-2 axis to prevent osteoarthritis development.Food Funct. 2018 Nov 14;9(11):5641-5652.

密度 1.4±0.1 g/cm3
沸点 452.1±45.0 °C at 760 mmHg
熔点 >300 °C(lit.)
分子式 C11H10O5
分子量 222.194
闪点 183.2±22.2 °C
精确质量 222.052826
PSA 68.90000
LogP 1.31
蒸汽压 0.0±1.1 mmHg at 25°C
折射率 1.588
储存条件

密封保存,放置于通风、干燥地方,避免于其他氧化物接触。

稳定性

按规格使用和贮存,不会发生分解,避免与氧化物接触

水溶解性 slightly soluble
分子结构

1、 摩尔折射率:55.40

2、 摩尔体积(m3/mol):170.2

3、 等张比容(90.2K):450.4

4、 表面张力(dyne/cm):49.0

5、 极化率(10 -24cm 3):21.96

计算化学

1.疏水参数计算参考值(XlogP):1.5

2.氢键供体数量:1

3.氢键受体数量:5

4.可旋转化学键数量:2

5.互变异构体数量:5

6.拓扑分子极性表面积65

7.重原子数量:16

8.表面电荷:0

9.复杂度:301

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

更多

1. 性状:未确定

2. 密度(g/ m3,25/4℃):未确定

3. 相对蒸汽密度(g/cm3,空气=1):未确定

4. 熔点(ºC):未确定

5. 沸点(ºC,常压):未确定

6. 沸点(ºC,5.2kPa):未确定

7. 折射率:未确定

8. 闪点(ºC):未确定

9. 比旋光度(º):未确定

10. 自燃点或引燃温度(ºC):未确定

11. 蒸气压(kPa,25ºC):未确定

12. 饱和蒸气压(kPa,60ºC):未确定

13. 燃烧热(KJ/mol):未确定

14. 临界温度(ºC):未确定

15. 临界压力(KPa):未确定

16. 油水(辛醇/水)分配系数的对数值:未确定

17. 爆炸上限(%,V/V):未确定

18. 爆炸下限(%,V/V):未确定

19. 溶解性:未确定


SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name: Isofraxidin
REACH No.: A registration number is not available for this substance as the substance
or its uses are exempted from registration, the annual tonnage does not
require a registration or the registration is envisaged for a later
registration deadline.
CAS-No.: 486-21-5
Relevant identified uses of the substance or mixture and uses advised against
Identified uses: Laboratory chemicals, Manufacture of substances



SECTION 2: Hazards identification
Classification of the substance or mixture
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.
Label elements
The product does not need to be labelled in accordance with EC directives or respective national laws.
Other hazards - none

SECTION 3: Composition/information on ingredients
Substances
Synonyms: 6,8-Dimethoxyumbelliferone
7-Hydroxy-6,8-dimethoxycoumarin
7-Hydroxy-6,8-dimethoxychromen-2-one
Formula: C11H10O5
Molecular Weight: 222,19 g/mol
CAS-No.: 486-21-5
No components need to be disclosed according to the applicable regulations.

SECTION 4: First aid measures
Description of first aid measures
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration.
In case of skin contact
Wash off with soap and plenty of water.
In case of eye contact
Flush eyes with water as a precaution.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water.
Most important symptoms and effects, both acute and delayed
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
section 11
Indication of any immediate medical attention and special treatment needed
no data available

SECTION 5: Firefighting measures
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Avoid dust formation. Avoid breathing vapours, mist or gas.
For personal protection see section 8.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Sweep up and shovel. Keep in suitable, closed containers for disposal.
Reference to other sections
For disposal see section 13.

SECTION 7: Handling and storage
Precautions for safe handling
Provide appropriate exhaust ventilation at places where dust is formed.
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Recommended storage temperature: -20 °C
Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
General industrial hygiene practice.
Personal protective equipment
Eye/face protection
Use equipment for eye protection tested and approved under appropriate government standards
such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Full contact
Material: Nitrile rubber
Minimum layer thickness: 0,11 mm
Break through time: 480 min
Material tested:Dermatril® (KCL 740 / Z677272, Size M)
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0,11 mm
Break through time: 480 min
Material tested:Dermatril® (KCL 740 / Z677272, Size M)
data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300 test method: EN374
If used in solution, or mixed with other substances, and under conditions which differ from EN 374,
contact the supplier of the CE approved gloves. This recommendation is advisory only and must
be evaluated by an industrial hygienist and safety officer familiar with the specific situation of
anticipated use by our customers. It should not be construed as offering an approval for any
specific use scenario.
Body Protection
Choose body protection in relation to its type, to the concentration and amount of dangerous
substances, and to the specific work-place., The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
Respiratory protection is not required. Where protection from nuisance levels of dusts are desired,
use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and
approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Do not let product enter drains.

SECTION 9: Physical and chemical properties
Information on basic physical and chemical properties
a) AppearanceForm: crystalline
Colour: light yellow
b) Odourno data available
c) Odour Thresholdno data available
d) pHno data available
e) Melting point/freezing146 - 149 °C
point
f) Initial boiling point and no data available
boiling range
g) Flash pointno data available
h) Evapouration rateno data available
i) Flammability (solid, gas) no data available
j) Upper/lowerno data available
flammability or
explosive limits
k) Vapour pressureno data available
l) Vapour densityno data available
m) Relative densityno data available
n) Water solubilityno data available
o) Partition coefficient: n- log Pow: 1,649
octanol/water
p) Auto-ignitionno data available
temperature
q) Decompositionno data available
temperature
r) Viscosityno data available
s) Explosive propertiesno data available
t) Oxidizing propertiesno data available
Other safety information
no data available

SECTION 10: Stability and reactivity
Reactivity
no data available
Chemical stability
Stable under recommended storage conditions.
Possibility of hazardous reactions
no data available
Conditions to avoid
no data available
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
In the event of fire: see section 5

SECTION 11: Toxicological information
Information on toxicological effects
Acute toxicity
no data available
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitisation
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
IARC:No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
no data available
Specific target organ toxicity - single exposure
no data available
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Additional Information
RTECS: Not available
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.

SECTION 12: Ecological information
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
Results of PBT and vPvB assessment
PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
Other adverse effects
no data available

SECTION 13: Disposal considerations
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company.
Contaminated packaging
Dispose of as unused product.

SECTION 14: Transport information
UN number
ADR/RID: -IMDG: -IATA: -
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA:Not dangerous goods
Transport hazard class(es)
ADR/RID: -IMDG: -IATA: -
Packaging group
ADR/RID: -IMDG: -IATA: -
Environmental hazards
ADR/RID: noIMDG Marine pollutant: noIATA: no
Special precautions for user
no data available

SECTION 15: Regulatory information
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Safety, health and environmental regulations/legislation specific for the substance or mixture
no data available
Chemical Safety Assessment
For this product a chemical safety assessment was not carried out

SECTION 16: Other information
Further information
Copyright 2014 Co. LLC. License granted to make unlimited paper copies for internal use
only.
The above information is believed to be correct but does not purport to be all inclusive and shall be
used only as a guide. The information in this document is based on the present state of our knowledge
and is applicable to the product with regard to appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Corporation and its Affiliates shall not be held
liable for any damage resulting from handling or from contact with the above product. See
and/or the reverse side of invoice or packing slip for additional terms and conditions of sale.

毒理学数据:

急性毒性:小鼠经静脉LD50:>500mg/kg,除致死剂量外无详细说明;

生态学数据:

该物质对环境可能有危害,对水体应给予特别注意。

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ3100020
CHEMICAL NAME :
2H-1-Benzopyran-2-one, 7-hydroxy-6,8-dimethoxy-
CAS REGISTRY NUMBER :
486-21-5
BEILSTEIN REFERENCE NO. :
0202652
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C11-H10-O5

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 18,1330,1968

危害码 (欧洲) Xn
风险声明 (欧洲) R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
安全声明 (欧洲) S23-S28-S28A-S25
危险品运输编码 NONH for all modes of transport
WGK德国 1
RTECS号 OY2300000