478-43-3 大黄酸

大黄酸

英文名称:Rhein
CAS:

478-43-3

分子式:C15H8O6
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  • 基本信息
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  • 物化性质
  • 安全信息
  • 生产方法及用途
  • 合成路线
  • MSDS
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  • 海关数据
  • 上游原料
  • 下游产品

大黄酸简介

Rhein, also known as cassic acid, is a substance in the anthraquinone group obtained from rhubarb. Like all such substances, rhein is a cathartic. Rhein is commonly found as a glycoside such as rhein-8-glucoside or glucorhein. Rhein was first isolated in 1895. It is found in rhubarb species like Rheum undulatum and Rheum palmatum as well as in Cassia reticulata.
Originally the rhubarb plant which contains rhein was used as a laxative. It was believed that rhein along with other anthraquinone glycosides imparted this activity.
Rhein has been reevaluated as an antibacterial agent against Staphylococcus aureus in 2008. Synergy or partial synergy has been demonstrated between rhein and the antibiotics oxacillin and ampicillin.
The pharmacokinetics of rhein have not been intensively studied in humans, but at least one study in healthy male volunteers found that rhein was better absorbed from oral administration of rhubarb than from a retention enema. Rhein (at an oral dose of 50mg twice per day) was shown to be safe when administered for five days to elderly patients with chronic congestive heart failure.

大黄酸基本信息

中文名称 大黄酸 英文名称 Rhein
中文别名

4,5-二羟蒽醌-2-羧酸; 9,10-二氢-4,5-二羟基-9,10-二氧代-2-蒽羧酸; 4,5-二羟基蒽醌-2-羧酸; 1,8-二羟基-3-羧基蒽醌;

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英文别名

9,10-dihydro-4,5-dihydroxy-9,10-dioxoanthracene-2-carboxylic acid; 4,5-dihydroxyanthraquinone-2-carboxylic acid; Cassic acid; 4,5-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid; Rheic Acid; Chrysazin-3-carboxylic acid; Rhubarb Yellow; 1,8-dihydroxy-3-carboxy-9,10-anthraquinone; Monorhein; 1,8-dihydroxyanthraquinone-3-carboxylic acid; 9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid; 2-Anthracenecarboxylic acid, 9,10-dihydro-4,5-dihydroxy-9,10-dioxo-; 1,8-dihydroxy-3-carboxyanthraquinone;

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CAS号 478-43-3 分子式 C15H8O6
分子量 284.22000 精确质量 284.03200
PSA 111.90000 LOGP 1.57140

大黄酸编号系统

MDL号 MFCD00009618

大黄酸物化性质

外观与性状:
为咖啡色针晶,升华后为黄色针晶。熔点 321-322℃,水溶性<0.1g/100mL
熔点:
≥300 °C(lit.)
储存条件:
2-8°C

安全信息

RTECS号:
CA9516000
安全说明:
S26; S37/39
WGK Germany:
2
危险类别码:
R36/37/38
海关编码:
2918990090
危险品标志:
Xi
危险性描述:
H315; H319; H335
信号词:
Warning
危险性防范说明:
P261; P305 + P351 + P338
危险标志:
GHS07

生产方法及用途

用途

蛋白酶抑制剂。医药。

SDS 1.0 中文 展开
SDS 1.0 英文 展开
MSDS 中文 展开
1H NMR : Predict展开

核磁图谱 1H NMR : Predict

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国家名称 海关编码 海关数据更新时间 操作
中国 2918990090 2019-03 申报要素
美国 2918994700 2019-03 概述
印度 29189900 2019-03 概述
欧盟 29189990 2019-03 概述
英国 2918999090 2019-03 概述
日本 291899000 2019-03 概述
韩国 2918900000 2019-03 概述
加拿大 2918990090 2019-03 概述
快捷导航
生物及医药化学品 药物杂质
上游原料
4-(2-methoxybenzoyl)-5-methoxybenzene-1,3-dicarboxylic acid 4-Acetoxy-5,9-dimethoxy-anthracene-2-carboxylic acid ethyl ester Ethyl 9,10-dihydro-4-hydroxy-5-methoxy-9,10-dioxo-2-anthracenecarboxylate 番泻苷元B 5-(benzyloxy)-4-(2-(benzyloxy)benzoyl)isophthalic acid 5-benzyloxy-4-(2-benzyloxybenzoyl)isophthalic acid dimethyl ester 芦荟大黄素 1-甲氧基-1,3-环己二烯 (2-benzyloxy-4,6-dibromophenyl)-(2-benzyloxyphenyl)methanone 5-hydroxy-4-(2-hydroxybenzoyl)benzene-1,3-dicarboxylic acid (2,4-dibromo-6-hydroxyphenyl)-(2-hydroxyphenyl)methanone 1-hydroxy-5-methoxynaphthalene-2-carbaldehyde rhein-11-O-β-D-glucoside 2-formyl-5-methoxynaphthalen-1-yl diethylcarbamate 8-O-β-D-glucosyl-10-C-β-D-glucosyl rhein-9-anthrone 1,5-dimethoxy-2-naphthaldehyde 7-甲氧基-3-苯磺酰基-1(3H)-异苯并呋喃酮 methyl 4-hydroxy-5-methoxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylate 2-formyl-5-methoxy-1-tetralone 大黄酚 Ethyl 9,10-dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylate methyl 9,10-dihydroxy-5-methoxy-4-oxo-1,2,3,4-tetrahydroanthracene-2-carboxylate Ethyl 6-chloro-5,8-dihydro-4-hydroxy-5,8-dioxo-2-naphthalenecarboxylate (8,9-diacetyloxy-6-methylanthracen-1-yl) acetate 5-甲氧基-3,4-二氢-2H-1-萘酮 Rhein methyl ester sennidin A-8-monoglucoside rhein potassium 1,8-二乙酰基-3-羧基蒽醌 N,N-diethyl-1-carbamyloxy-5-methoxynaphthalene
下游产品
1,8-二羟基蒽醌 1,8-二乙酰基-3-羧基蒽醌 4,5-dimethoxy-9,10-dioxoanthracene-2-carboxylic acid
上游原料厂家
7-甲氧基-3-苯磺酰基-1(3H)-异苯并呋喃酮厂家 5-甲氧基-3,4-二氢-2H-1-萘酮厂家 1-甲氧基-1,3-环己二烯厂家 大黄酚厂家 1,8-二乙酰基-3-羧基蒽醌厂家 芦荟大黄素厂家 番泻苷元B厂家
下游原料厂家
1,8-二羟基蒽醌厂家 1,8-二乙酰基-3-羧基蒽醌厂家
上游原料批发
7-甲氧基-3-苯磺酰基-1(3H)-异苯并呋喃酮 5-甲氧基-3,4-二氢-2H-1-萘酮 1-甲氧基-1,3-环己二烯 大黄酚 1,8-二乙酰基-3-羧基蒽醌 芦荟大黄素 番泻苷元B
下游原料批发
1,8-二羟基蒽醌 1,8-二乙酰基-3-羧基蒽醌
大黄酸
CAS号:478-43-3 分子式:C15H8O6 分子量:284.22000

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