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Home >> Products >> Plant extracts
CAS Number
478-43-3
Molecular Formula
C15H8O6
Molecular Weight
284.22
Product Synonyms
Rhein Acid
1,8-Dihydroxy-3-carboxyanthraquinone
Rhein is a natural anthraquinone compound primarily derived from plants such as rhubarb. It possesses a stable aromatic anthraquinone skeleton structure. This product is typically a yellow to orange-yellow crystalline powder with high purity and stable physicochemical properties, making it suitable for various fine chemical and natural product-related applications.
Thanks to its well-defined chemical structure and excellent batch consistency, rhein is widely used in pharmaceutical research, plant extract development, and functional ingredient fields. It serves as an important basic raw material for the research of various natural active ingredients and the synthesis of their derivatives.
| Item | Specification |
|---|---|
| Product Name | Rhein |
| CAS Number | 478-43-3 |
| Appearance | Yellow to orange crystalline powder |
| Solubility | Slightly soluble in water |
| Melting Point | 316–318°C |
| Loss on Drying | ≤1.0% |
| Purity | ≥98.0% |
In the field of natural product research and pharmaceutical development, rhein is commonly used as a research-grade or industrial-grade raw material for structural studies, activity screening, and synthesis and development of related derivatives of anthraquinone compounds. It is suitable for laboratory research and pilot-scale applications.
In the preparation of plant extracts and reference standards, this product is used for quality control and component comparison, helping to improve the consistency and traceability of natural extracts. It is suitable for applications requiring high raw material stability.
In fine chemical and functional intermediate development, rhein can participate in various reaction systems as an important structural unit, used to develop novel anthraquinone functional materials and related chemicals. It is suitable for customized synthesis and long-term project development.
In scientific research institutions and university laboratories, this product is widely used in teaching experiments, mechanism research, and functional material evaluation, exhibiting good reproducibility and experimental stability.
Natural origin, well-defined structure
Stable anthraquinone scaffold, reliable chemical properties
High purity, strict impurity control
Good batch consistency, stable quality
Suitable for research and industrial applications
Suitable for derivative synthesis and functional studies
Stable storage, not easily decomposed
Suitable for long-term project development
Stable supply, mature applications
| Item | Details |
|---|---|
| Standard Packaging | 25kg drum |
| Small Packaging | 1kg bag |
| Storage Condition | Cool, dry, protected from light |
| Shelf Life | 24 months |
Q1: What is Rhein mainly used for?
A1: Rhein is mainly used in natural product research, pharmaceutical research, plant extract standardization, and fine chemical intermediate development.
Q2: Is Rhein suitable for laboratory research?
A2: Yes, it is widely used in laboratories and research institutions due to its stable structure and high purity.
Q3: Does Rhein dissolve well in water?
A3: No, it is only slightly soluble in water but soluble in many organic solvents.
Q4: Can Rhein be used for industrial applications?
A4: Yes, it can be used in both research-scale and industrial-scale applications depending on project requirements.
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