Description

[1]Benzopyrano[3,4-C]Pyrazol-4(3H)-One, 7-Hydroxy-6-Methyl- (9Ci) is a high-purity heterocyclic organic compound that serves as a critical advanced intermediate in modern synthetic chemistry. Its unique fused benzopyranopyrazole structure makes it a valuable scaffold for developing novel active pharmaceutical ingredients (APIs) and functional materials. This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for its role in creating molecules with targeted biological or physical properties.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex heterocyclic cores.
• Agrochemical Research: Used in the development of new-generation pesticides and herbicides, leveraging its bioactive scaffold.
• Organic Synthesis & Material Science: Serves as a versatile precursor for creating specialized dyes, pigments, and organic electronic materials.
• Academic & R&D Laboratories: Employed in methodological studies and as a reference standard for chemical research and process development.
• Fine Chemical Production: Integral in multi-step synthesis processes for producing high-value, low-volume specialty chemicals.

Basic Information

Product Name	[1]Benzopyrano[3,4-C]Pyrazol-4(3H)-One, 7-Hydroxy-6-Methyl- (9Ci)
CAS No.	748188-09-2
Molecular Formula	C11H8N2O3
Molecular Weight	216.19 g/mol
Synonyms	7-Hydroxy-6-methyl-1H,3H-pyrano[3,4-c]pyrazol-4-one; 7-Hydroxy-6-methyl-4H,5H-pyrano[3,4-c]pyrazol-4-one; 7-Hydroxy-6-methyl-[1]benzopyrano[3,4-c]pyrazol-4(3H)-one; 6-Methyl-7-hydroxy-1H,3H-pyrano[3,4-c]pyrazol-4-one; 4H,5H-Pyrano[3,4-c]pyrazol-4-one, 7-hydroxy-6-methyl-; Light-sensitive benzopyranopyrazolone derivative
EINECS	Contact for details

Quality Control

Our production of [1]Benzopyrano[3,4-C]Pyrazol-4(3H)-One, 7-Hydroxy-6-Methyl- (9Ci) adheres to stringent in-process controls and final release testing to ensure batch-to-batch consistency and high purity. All materials are analyzed using validated methods including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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