(-)-儿茶素 (CAS No.18829-70-4)
- 物化性质
- 白色至类白色结晶性粉末，分子量290.27，熔点175～177℃，比旋光度[α]D20约-16°（c=1，乙醇）。溶于热水、乙醇和丙酮，微溶于冷水，不溶于苯。
- 外观
- 白色至类白色结晶性粉末
- 熔点
- 175～177℃
- 纯度
- ≥98%（HPLC法）
- 溶解性
- 溶于热水、乙醇和丙酮，微溶于冷水，不溶于苯
English description（英文原文，共 1167 字符）
Product Name:(-)-Catechin
English Name:(-)-Catechin
CAS No.:18829-70-4
Aliases:Catechin, Levo-catechin, Catechuic acid
Molecular Formula:C15H14O6
Physical Properties:White to off-white crystalline powder; molecular weight 290.27; melting point 175-177°C; specific rotation [α]D20 approximately -16° (c=1, ethanol). Soluble in hot water, ethanol and acetone; slightly soluble in cold water; insoluble in benzene.
Uses:(-)-Catechin is a major active monomer of tea polyphenols and possesses significant antioxidant activity, effectively scavenging free radicals and inhibiting lipid peroxidation. It is used as an antioxidant functional factor and cardiovascular protective agent in pharmaceuticals and nutraceuticals. In the food industry, it serves as a natural antioxidant for preserving oils and oil-containing foods, and it is also used as a functional additive in cosmetics.
Technical Specifications:
Appearance: white to off-white crystalline powder
Melting point: 175-177°C
Purity: ≥98% (HPLC)
Specific rotation: [α]D20 = -16° (c=1, ethanol)
Solubility: soluble in hot water, ethanol and acetone; slightly soluble in cold water; insoluble in benzene
English Name:(-)-Catechin
CAS No.:18829-70-4
Aliases:Catechin, Levo-catechin, Catechuic acid
Molecular Formula:C15H14O6
Physical Properties:White to off-white crystalline powder; molecular weight 290.27; melting point 175-177°C; specific rotation [α]D20 approximately -16° (c=1, ethanol). Soluble in hot water, ethanol and acetone; slightly soluble in cold water; insoluble in benzene.
Uses:(-)-Catechin is a major active monomer of tea polyphenols and possesses significant antioxidant activity, effectively scavenging free radicals and inhibiting lipid peroxidation. It is used as an antioxidant functional factor and cardiovascular protective agent in pharmaceuticals and nutraceuticals. In the food industry, it serves as a natural antioxidant for preserving oils and oil-containing foods, and it is also used as a functional additive in cosmetics.
Technical Specifications:
Appearance: white to off-white crystalline powder
Melting point: 175-177°C
Purity: ≥98% (HPLC)
Specific rotation: [α]D20 = -16° (c=1, ethanol)
Solubility: soluble in hot water, ethanol and acetone; slightly soluble in cold water; insoluble in benzene
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常见问题
- (-)-儿茶素的 CAS 号是多少？
- (-)-儿茶素的 CAS 号是 18829-70-4。
- (-)-儿茶素的分子式和分子量是什么？
- (-)-儿茶素的分子式为 C15H14O6。
- (-)-儿茶素的英文名称是什么？
- (-)-儿茶素的英文名称为 (-)-Catechin。
- (-)-儿茶素还有哪些别名？
- (-)-儿茶素又称 儿茶素、左旋儿茶素、儿茶酸。
- (-)-儿茶素有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条(-)-儿茶素供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- (-)-儿茶素的供应商主要分布在哪些地区？
- (-)-儿茶素的供应商主要分布在 上海市（1 条） 等地。
- (-)-儿茶素有哪些级别可选？
- 平台上(-)-儿茶素的供应级别包括 工业级。
- (-)-儿茶素的报价单位是什么？
- (-)-儿茶素的报价单位主要有 千克。
- 哪里可以查到(-)-儿茶素的价格？
- 掌上化工(-)-儿茶素产品页汇总了各供应商的最新报价与规格，地址：/chemicals/18829-70-4/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
以上信息由平台根据收录的产品数据自动生成，数据更新时间 。 价格与库存由供应商自行发布，实际交易请以询价结果为准。
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