α-Amyrin
α-Amyrin (CAS 638-95-9, C30H50O) is a naturally occurring pentacyclic triterpenoid with a molecular weight of 426.72 g/mol. It is identified as Urs-12-en-3β-ol, also known as Viminalol. Primarily utilised as a reference material, α-Amyrin plays a role in the analytical chemistry of latex milk. Its presence in various plant species also makes it a subject of interest in phytochemical research and related life science applications.
- IUPAC
- Urs-12-en-3β-ol,Viminalol
- Synonyms
- Urs-12-en-3β-olViminalol

Analytical Reference Material
α-Amyrin serves as a crucial reference standard for the precise analysis of latex milk. Its use ensures accurate identification and quantification in quality control and research settings.
Phytochemical Research
As a naturally occurring triterpenoid found in various plant sources, α-Amyrin is of interest in phytochemical studies. It aids in the investigation of plant-derived compounds and their properties.
Life Sciences Standards
Utilised within the broader context of life sciences, α-Amyrin functions as a standard for analytical and chromatographic applications. This supports research in areas such as natural product chemistry.
| Molecular weight | 426.72 |
|---|---|
| Empirical formula | C30H50O |
| Assay | ≥98.0% (HPLC) |
| Grade | analytical standard |
| Application | Reference material for the analysis of latex milk |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is α-Amyrin used for?
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α-Amyrin is primarily used as a reference material for the analysis of latex milk and in phytochemical and life sciences research as an analytical standard.
What are the CAS number and formula for α-Amyrin?
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The CAS number for α-Amyrin is 638-95-9, and its empirical formula is C30H50O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies α-Amyrin as an analytical standard with a purity of ≥98.0% (HPLC). We do not represent this product as USP, BP, or EP grade.
How should α-Amyrin be handled safely?
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When handling α-Amyrin, it is recommended to use safety measures such as eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter may be necessary. This compound is classified under WGK Germany 3, indicating a significant hazard to water.
Is α-Amyrin a controlled substance?
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The provided data does not indicate that α-Amyrin is a controlled substance.
How is α-Amyrin packed, shipped, and exported?
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Tech Serve Solutions expertly packs, ships, and exports chemicals globally, adhering to stringent safety and regulatory standards. Specific packaging details are available upon request.
How can I request a sample or quote for α-Amyrin?
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To request a sample or a quotation for α-Amyrin, please contact our sales team via the website or direct email, providing your specific requirements.
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