CAS 2107-76-8; 5,7-二羟基-4-甲基香豆素; 5,7-dihydroxy-4-methyl-2h-1-benzopyran-2-on

推荐供应商
货号品牌产品名称规格包装、参考价格详情
D798155MACKLIN5,7-二羟基-4-甲基香豆素10mM in DMSO185元/1ml;   
储存：-20°C
D870981MACKLIN5,7-二羟基-4-甲基香豆素98%76元/200mg;   252元/1g;   1107元/5g;   3873元/25g;   
储存：室温
状态：白色到浅黄色到黄色粉末,晶体
D4747TCI5,7-Dihydroxy-4-methylcoumarin>98.0%(T)1225元/1G;   
基本信息
纯度/分析方法>98.0%(T)
分子式/分子量C10H8O4 = 192.17
外观与形状(20℃)固体
Reaxys-RN179133
PubChem物质ID354333197
MDL编号MFCD00016966
技术规格
AppearanceWhite to Orange to Green powder to crystal
Purity(GC)min. 97.0   %
Purity(Neutralization titration)min. 98.0   %
物性(参考值)
熔点280 ℃
最大吸收波长322(MeOH) nm
水溶性微溶
溶解性(微溶于)乙醚,苯,氯仿
安全信息
图形或危害标志
信号词警告
危险性说明H315 : 造成皮肤刺激。
H319 : 造成严重眼刺激。
防范说明P264 : 作业后彻底清洗皮肤。
P280 : 戴防护手套/戴防护眼罩/戴防护面具。
P302 + P352 : 如皮肤沾染：用水充分清洗。
P337 + P313 : 如仍觉眼刺激：求医/就诊。
P305 + P351 + P338 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。
P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。
P332 + P313 : 如发生皮肤刺激：求医/就诊。
111418J&K5,7-Dihydroxy-4-methylcoumarin98%969元/1G;   3869元/5G;   
基本信息
分子式C10H8O4
分子量192.17
熔点296-299
MDL编码MFCD00016966
Beilstein179133
EINECS 编号218-289-9
安全信息
图形或危害标志
提示语Warning
危险说明H315
H319
H335
防范说明P261
P305+P351+P338
WGK3
TSCA是
A14528Alfa Aesar5,7-Dihydroxy-4-methylcoumarin98%1246元/1g;   4978元/5g;   
基本信息
MDL
MFCD00016966
EINECS
218-289-9
分子式
C10H8O4
分子量
192.17
熔点
298-300°
形态
Powder
Beilstein
179133
GHS危害和防范说明
GHS符号
Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.
安全信息
危险类别
36/37/38
Irritating to eyes, respiratory system and skin.
安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
TSCA
是
543594Sigma-Aldrich5,7-Dihydroxy-4-methylcoumarin98%812.44元/1 G;   
产品说明
一般描述
5,7-Dihydroxy-4-methylcoumarin can be obtained by reacting phloroglucinol and ethylacetoacetate via Pechmann condensation in the presence of sulfuric acid.
应用
5,7-Dihydroxy-4-methylcoumarin may be used in the synthesis of pyrano[2,3-h]coumarin derivatives and 5,7-dihydroxy-8-formyl-4-methylcoumarin.
包装
1 g in glass bottle
其他说明
Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 543594.pdf    Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.
基本信息
经验(实验)分子式C10H8O4
分子量192.17
EC 号218-289-9
MDL编号MFCD00016966
PubChem化学物质编号24878696
NACRESNA.22
产品性质
测定98%
mp296-299 ℃ (lit.)
SMILES stringCC1=CC(=O)Oc2cc(O)cc(O)c12
InChI1S/C10H8O4/c1-5-2-9(13)14-8-4-6(11)3-7(12)10(5)8/h2-4,11-12H,1H3
InChI keyQNVWGEJMXOQQPM-UHFFFAOYSA-N
安全信息
象形图
警示用语：Warning
危险声明H302
预防措施声明P301 + P312 + P330
危险分类Acute Tox. 4 Oral
储存分类代码11 - Combustible Solids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
个人防护装备dust mask type N95 (US), Eyeshields, Gloves
PHL801595,7-Dihydroxy-4-methylcoumarinphyproof® Reference Substance3048.57元/100 MG;   
产品说明
一般描述
This substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG
法律信息
phyproof is a registered trademark of PhytoLab GmbH & Co. KG
基本信息
经验(实验)分子式C10H8O4
分子量192.17
MDL编号MFCD00016966
产品性质
等级primary reference standard
产品线phyproof® Reference Substance
测定≥95.0% (HPLC)
manufacturer/tradenamePhytoLab
mp296-299 ℃ (lit.)
application(s)food and beverages
格式neat
SMILES stringCC1=CC(=O)Oc2cc(O)cc(O)c12
InChI1S/C10H8O4/c1-5-2-9(13)14-8-4-6(11)3-7(12)10(5)8/h2-4,11-12H,1H3
InChI keyQNVWGEJMXOQQPM-UHFFFAOYSA-N
安全信息
象形图
警示用语：Warning
危险声明H302
预防措施声明P264 - P270 - P301 + P312 + P330 - P501
危险分类Acute Tox. 4 Oral
储存分类代码13 - Non Combustible Solids
WGKWGK 3
闪点(F)Not applicable
闪点(C)Not applicable
049602Fluorochem5,7-Dihydroxy-4-methyl-2-chromenone97%2068元/1g;   7788元/5g;   34958元/25g;   
基本信息
CAS Number2107-76-8
MDL NumberMFCD00016966