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(−)-表儿茶素,(−)-Epicatechin;analytical standard, ≥97.0% (HPLC)

别名:(−)-表儿茶素标准品;(-)-顺式-3,3′,4′,5,7-五羟基黄烷, (2R,3R)-2-(3,4-二羟基苯基)-3,4-二氢-1(2H)-苯并吡喃-3,5,7-三醇; (−)-cis-3,3′,4′,5,7-Pentahydroxyflavane, (2R,3R)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol

CAS号 490-46-0 经验分子式(希尔表示法) C15H14O6 分子量 290.27 Beilstein/REAXYS Number 92760 EINECS 编号 207-710-1 MDL number MFCD00075648 PubChem Substance ID 329760739 NACRES NA.24
货号(SKU): 68097
CAS号: 490-46-0
MDL号: MFCD00075648
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¥4,603.71

产品描述

General description

(−)-Epicatechin is a monomeric catechin and a polyphenolic component, belonging to the class of flavan-3-ols. It is majorly found in apples, apple products and green tea.[1][2][3]

Application

(−)-Epicatechin may be used as an analytical reference standard for the quantification of the analyte in green tea using high-performance liquid chromatography technique.[1]

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包装

无底玻璃瓶。内含物在插入的融合锥体内。

性质

Quality Level100
gradeanalytical standard
assay≥97.0% (HPLC)
formneat
shelf lifelimited shelf life, expiry date on the label
application(s)HPLC: suitable
gas chromatography (GC): suitable
mp240 °C (dec.) (lit.)
Featured IndustryFood and Beverages
formatneat
shipped inwet ice
storage temp.2-8°C
SMILES stringO[C@@H]1Cc2c(O)cc(O)cc2O[C@@H]1c3ccc(O)c(O)c3
InChI1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15-/m1/s1
InChI keyPFTAWBLQPZVEMU-UKRRQHHQSA-N


安全信息

符号
GHS07  GHS07
信号词 Warning
危害声明 H315-H319-H335
警示性声明 P261-P305 + P351 + P338
个人防护装备 dust mask type N95 (US)EyeshieldsGloves
危害码 (欧洲) Xi
风险声明 (欧洲) 36/37/38
安全声明 (欧洲) 26
RIDADR NONH for all modes of transport
WGK德国 3
商品规格
属性名称属性值
储存温度 Storage temp.2-8°C冷藏
全球实时库存 Availability √美国St. Louis ≥ 155 | 欧洲Eur. ≥ 66 | 東京Tokyo ≥ 78 | 香港与北京 ≥ 32
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