Description

2-Pyrazolin-5-One, 4-Allyl-4-Hydroxy-3-Methyl- (5Ci) is a specialized heterocyclic organic compound belonging to the pyrazolone class, serving as a versatile and high-value chemical intermediate. Its molecular structure, featuring both an allyl group and a hydroxyl substituent, makes it a critical building block for synthesizing more complex molecules with tailored properties. This compound is essential for research and development chemists and manufacturers in the pharmaceutical and agrochemical sectors seeking to develop new active ingredients.

Application

The unique structure of 4-Allyl-4-hydroxy-3-methyl-2-pyrazolin-5-one provides a reactive scaffold for advanced chemical synthesis. Its primary applications include:

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting anti-inflammatory, analgesic, or central nervous system activities.
• Agrochemical Synthesis: Used in the development of new-generation pesticides, herbicides, and plant growth regulators.
• Fine Chemical Building Block: Employed in organic synthesis for creating complex heterocycles, ligands for catalysis, and specialty polymers.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new chemical entities and reaction pathways.
• Dye and Pigment Intermediate: Potential use in the synthesis of specialized colorants and functional dyes.

Basic Information

Item	Details
Product Name	2-Pyrazolin-5-One, 4-Allyl-4-Hydroxy-3-Methyl- (5Ci)
CAS No.	857985-31-0
Molecular Formula	C7H10N2O2
Molecular Weight	154.17 g/mol
Synonyms	4-Allyl-4-hydroxy-3-methyl-4,5-dihydro-1H-pyrazol-5-one; 4-Allyl-4-hydroxy-3-methyl-2-pyrazolin-5-one; 4-Allyl-4-hydroxy-3-methyl-4,5-dihydropyrazol-5-one; 4-Allyl-4-hydroxy-3-methyl-δ²-pyrazolin-5-one; 5-Pyrazolone, 4-allyl-4-hydroxy-3-methyl-; 4-Allyl-3-methyl-4,5-dihydro-1H-pyrazol-5-ol; 4-Allyl-3-methyl-5-pyrazolone
EINECS	Contact for details

Quality Control

Our production of 2-Pyrazolin-5-One, 4-Allyl-4-Hydroxy-3-Methyl- (5Ci) adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure consistency and meet the exacting standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing batch-specific results are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.