The corresponding substance of CAS 499-44-5 is cyprenol (also known as cyprenol or β – cyprenol ketone), with the chemical name 2-hydroxy-4-isopropyl-2,4,6-cyclohepteno-1-one and the molecular formula C ₁₀ H ₁₂ O ₂. It is a natural monoterpene phenolic ketone compound.

Basic physical and chemical properties
-Chinese name: Japanese Cypress Alcohol (Cypress Alcohol)
-English name: Hinokitiol
-Molecular formula: C ₁₀ H ₁₂ O ₂
-Molecular weight: 164.20
-Appearance: Colorless to pale yellow prismatic crystals or solids
-Melting point: 50-52 ℃
-Boiling point: 303.4 ℃ (atmospheric pressure); About 140 ℃ (10 mmHg)
-Density: Approximately 1.1 g/cm ³
-Solubility: Insoluble in water, easily soluble in organic solvents such as ethanol and ether
-EINECS number: 207-880-7

Source and purpose
-Natural source: mainly found in the volatile oil of Japanese cypress (* Chamaecyparis obtusa *) wood, which can be obtained by extraction method.
-Main applications:
-In the field of cosmetics, it is used as a preservative, dandruff remover, and anti-inflammatory ingredient;
-Pharmaceutical intermediates: have broad-spectrum antibacterial, antifungal, and potential anti-tumor activities;
-Research use: As an intermediate in organic synthesis or a reagent for biological activity research.

Safety and Toxicity Tips
-Acute toxicity data (reference): Oral LDLo in rats ≈ 500 mg/kg; The LD50 in the abdominal cavity of mice is approximately 85 mg/kg.
-It is recommended to seal and store in a dry environment during operation to avoid high temperatures and oxidative conditions; Please refer to MSDS and local regulations for specific safety operations.

Products :

beta-thujaplicin CAS 499-44-5
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