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Chiral Intermediates
CAS NO:
67911-21-1
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APIs for Respiratory System Drugs
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Antipyretic and Analgesic Preparations
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Fine Chemicals
Crushing equipment
Ultrapure Water System
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Antiparasitic Preparations
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Storage Tanks, Containers
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Drive Equipment
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Solution Preparation System
Other Environmental Protection Equipment
APIs for Hormones and Regulatory Drugs
Other Natural Products
Physical Testing
APIs for Antiparasitic Drugs
Anti-Allergic Formulations
Plasticizer
Evaporating Equipment
TCM Cooking Equipments
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Laboratory Engineering
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Membrane Module
APIs for Antipyretic and Analgesic Drugs
Anti-Tuberculosis and Anti-Leprosy Formulations
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Distillation Equipment
Drop Pill Equipment
Purifying Engineering
VFD (Variable Frequency Drive)
Other preparation equipment
Distilled water machine
Laboratory Solutions
Vitamin
Digestive System Preparations
Centrifuge
Screening Machine
Honey Pill Machine
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Bearing
Emulsifiers
Ion-exchange equipment
Online Process Control
Respiratory System Preparations
Sterilizing Equipment
TCM Deposition Equipment
Spare Part
Other Cleaning System
Stainless Steel
Nervous System Preparations
Filter press equipment
Herbal medicine Fermentation Equipment
Plastic
Containment System
Special Active Ingredients
Ointment Bases
Homogenizer Equipment
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Others Parts and Components
APIs for Veterinary Drugs and Feed Additives
Anaesthetic and Adjuvant Formulations
Air Filter
Suppository Bases
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Blood System Formulations
Cleanroom Consumables
Glass lining equipment
Film-forming Agents
Urinary and Reproductive System Formulations
Other API Machinery and Equipment
Filter Paper
Release Modifiers
Immunomodulatory Formulations
Filter Paper Board
smotic Pressure Regulators / Tonicity Adjusting Agents
Water, Electrolyte, and Acid-Base Balance Regulating Formulations
Ph Control Agents
Nozzle, Tank Cleaning Machine
Vitamin, Mineral, and Amino Acid Formulations
Antioxidants / Antioxidant Synergists
Fluid Equipment
Enzyme and Other Biochemical Formulations
Antimicrobial Preservatives (Preservatives)
Tonic and Nutritional Formulations
Complexing Agents (Chelating Agents / Inclusion Compounds)
Hormonal Formulations
Dermatological Preparations
Other Preparations
Co-solvents
ENT Preparations
Penetration Enhancers (Transdermal)
Freeze-drying Protective Agents
Refrigerants / Cryogens
Capsule
Fragrances
Adsorbents
Pressure-sensitive Adhesives (PSA)
Stiffening Agents
Carriers for Dry Powder Inhalers (DPI Carriers)
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Pipes and Pipe Fittings
Vacuum Equipment
Air Compressor
Compressor
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Prefillable Syringes
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Filter Presstem
Filtration System
Filter Bag
Filter Mesh
Filter Cloth
Filter Membrane
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Sanitary Pressure Vessel
Hyaluronic Acid
Collagen
Botulinum Toxin
Peptide
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Ceramide
Ectoin
Niacinamide
Asiaticoside
Ergothioneine
Chitosan
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Chiral Intermediates
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Microfiltration
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Animal Extracts
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Ointment Filling-sealing Machine、Vacuum Mixer
Eye Drug Machinery
Soft Gelatin Capsule Machinery
Tablet Press
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Bag Packaging Machine
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Glass bottles & Vials
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Cephalosporins
Anesthetics
Immunology Reagents
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Syrup Machinery
Injection Medicine Machinery
Hard Capsule Filling Machine
Coating Machine
Medicine Material Grinding Machine
Lettering machine
Box Packaging Machine
Mass Spectrometry
Laboratory Bench
Aluminum Foil
Rheometers / Viscometers
Chemical Reagents
Cleaning & Disinfection Equipment
Granulator
Emulsifier
Biological Fermentation System
Injection Molding Equipment
Exosome
Phospholipids
Prostaglandins
Veterinary Biologics
Chemical Reagents
Therapeutic Biological Products
Biochemical Reagents
Antibodies
Natural Pigments
Animal Lipids
Enzyme Preparations
Flowmeters
Online Particle Size Analyzer
Tetracycline
Amino Acids and Derivatives
Process Optimization and Testing
Nucleic Acids and Derivatives
Pre-Clinical Research
Chemical/Biological API Manufacturing
Powder Filling Machine
Oral Liquid Machinery
Low Temperature Pulverizer
Strapping machine
Paper Film Packaging Machine
Thermal Analyzers
Spectrometers
Other Measurement and Metrology Instruments
Storage Cabinets
Plastic Bottles
Other Industrial Process Control and Online Analytical Instruments
Certification
Feed Additives
Diagnostic Biological Products
Pulverizer
Coating Machine
Capsule Filling Machine
Other Mixing Equipment
Cell Engineering Equipment
Pre-filled Syringe Production Equipment
Purification Equipment
Electrophoresis/Gel Imaging/UV Detection
Regenerative Materials
Other Fine Chemicals
Cell Biology Reagents
Biological Consumables
Feed Additives
Soft Mist Inhaler
Plant Polysaccharides
Animal Proteins
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Aminoglycoside
Enzymes
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Intermediate Synthesis and Production
Market and Business Strategy Consulting
Suppository Drug Machinery
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Printing Device
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Environmental Test Chambers
Moisture Analyzer
Air Discharge Equipment
Rubber Stopper
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Isolator
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Microbial Detection Instrument
Composite Biomaterials
Animal Breeding Auxiliary Products
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Nebulizer
Essential Oils
Animal Polysaccharides
Bioactive Functional Ingredients
Macrolides
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Proteins
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Medicine Film Drug Machinery
Infusion Medicine Machinery（中文站有输液剂机械的三级分类）
Pharmaceutical Machine Milling
Instruction Booklet Folding Machine
Fan
Chromatography Consumables and Accessories
Other Physical Properties Testing Instruments
Gasket
Sample Preparation / Digestion Equipment
X-ray Structure Analysis
Safety Cabinet
Counting Machine (Tablet)
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Disposable Biotechnology Equipment
Vacuum Packaging Machine
Laboratory Low-temperature Storage
Other Innovative Materials
Other Veterinary
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Natural Spices
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Sulfonamides
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Computational Chemistry and AI-Assisted Drug Design
Clinical Trial Drug Manufacturing
Aerosol Drug Machinery
Super Micro Mill
Bottle Conveyer
Bundling Packaging Machine
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Other Laboratory Complete & Ancillary Equipment
Trays
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Other Preparation Machinery for Solid Medcine
Centrifugal Separation System
Automatic Packaging Machine
Other Analytical Instrument
Chip System/Accessories
Cytokines
Counting Machine
Cartridge Vial
Medicinal Herbs
Bee Products
Chloramphenicols
Testing
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Medicine Filling Machine
Disk Type Bottle Straightening Machine
Lidding Materials
Other Crushing Equipment
Ultrafiltration/Microfiltration System
Horizontal Pillow Packaging Machine
Cartoning Machine
Auto-injector
Transfection/Cell Fusion
Track & Trace
Gas Generators / Gas Handling Equipment
Blood Products
TCM Ingredients & Slices
Animal Medicinal Materials
Lincomycin
Microbial Products
Bottle Washer
Vial Sealing Machine
Liquid Handling Equipment
Hoses and Fittings
Other Biopharmaceutical Equipment
Vertical Packaging Machine
Casing Machine
Microplate Reader/Enzyme Labeling Instrument
Analysis and Validation
Serialization System
Pen Injector
Other Anti-Infective Drug
Other Pharmaceutical R&D Outsourcing
Conveyer For Medicine Material
Spray Pump
Other Injectable Equipment
Aluminum Foil Packaging Machine
Coding Machine
Cell Analysis
Automated Assembly
Other Laboratory General Equipment
Packaging Bag Valve
Freeze Dryer
Granule packaging machine
Other Drug Delivery Device Accessories
Biological Microscope/In Vivo Imaging
Other Antibiotics
Cap Screwing Machine
Nasal Drug Delivery Devices / Nasal Spray Pumps
Printing Services
Liquid Packaging Machine
Laboratory Automation
Screw Capping Machine
Lamp Inspection Machine
Ophthalmic Drug Delivery Devices / Eye Drop Delivery Systems
Labelling
Powder Packaging Machine
Synthesizer
Heat Shrink Packaging Machine
Metal Detector
Insulin Pens / Blood Glucose Management Devices
Security Taggants & Markings
Filter Cartridge
Tablet Packaging Machine
Animal Experiment Instrument
Injection & blow molding machines
Batching system
Self-Injection Systems / Safety Protection Devices
Incubator Equipment
Printed Drugs Packaging
Box filling & sealing machine
Palletizing equipment
CIP cleaning system
Topical / Gynecological / Intimate Drug Delivery Devices
Desiccants
Other Life Science Instrument
Bottle Filling Line
Contaners
Lifting Charging Machine
Others
Inhalant Packaging
BFS Bottlepack Machine
Weighting Equipment
Blister Packaging Machine
Pharmaceutical Paper
Other Pharmaceutical Outer Packaging Equipment
Packaging bag valve
Container Sealing Machine
Glass Tube
Multi-functional Bottle Packaging Machine
Medical Aesthetic Freeze-Dried Powder Vials
Sachets Cartoner Packing line
Primary Packaging
Other Pharmaceutical Inner Packaging Equipment
Aluminum Caps & Aluminum-Plastic Combination Caps
Sterile Bags / Breathing Bags / Sterilization Bags
Medical Device Packaging / Bioconsumables Packaging
Dispensing Bottles
Blister Packaging
Pharmaceutical Plastic Films / Composite Film Bags
Accessories
Ampuls
Other Packaging Materials
Basic Info
CAS Number
67911-21-1
Pharmacopoeia
In-house Standards
Grade
Pharmaceutical Grade
Is Manufacturer
No
Samples Provided
NO
Product Description
MF: C7H8O3 MW: 140.14 Density: 1.274 g/mL at 25 °C 、 Boiling point: 246 °C (20 mmHg) Flash point: 113 °C Appearance: white or almost white crystal Packing: 25kg/drum Assay: 98.0—102.0% Application: As boceprevir intermediate
AI Product Description
*The following content is generated by AI and is for reference only.
Caronic anhydride, chemically known as 1,2-cyclohexanedicarboxylic anhydride (often associated with the CAS number 5904-36-7 for the specific cis/trans isomer mixtures used industrially), is a versatile cyclic organic compound derived from the dehydration of caronic acid. This white to off-white crystalline solid serves as a crucial intermediate in the synthesis of high-performance polymers and specialty chemicals. Its unique cyclic structure imparts rigidity and thermal stability to the final products, making it highly valuable in advanced material science applications.
The primary industrial application of caronic anhydride lies in the production of polyester resins and polyimides. When reacted with diols or diamines, it forms robust copolymers that exhibit exceptional resistance to heat, chemicals, and mechanical stress. These materials are extensively utilized in the manufacturing of high-temperature coatings, adhesives, and encapsulants for the electronics industry, particularly for protecting sensitive components in automotive and aerospace sectors. Furthermore, caronic anhydride acts as a key building block for synthesizing chelating agents and complexing agents used in water treatment and metal purification processes due to its ability to form stable complexes with various metal ions.
In the pharmaceutical and agrochemical fields, this anhydride serves as a precursor for synthesizing active pharmaceutical ingredients (APIs) and bioactive heterocycles. Its reactivity allows for efficient ring-opening reactions, facilitating the construction of complex molecular architectures required for drug development. Additionally, it finds use in the production of plasticizers and lubricant additives, where its structural integrity enhances the performance of fluids under extreme operating conditions. The compound is typically handled with standard safety precautions, including the use of personal protective equipment, as it can cause irritation upon contact with skin or eyes. As global demand grows for lightweight, durable, and thermally stable materials, caronic anhydride remains an indispensable component in the chemical supply chain, driving innovation across multiple high-tech industries while maintaining a balance between performance and cost-effectiveness in large-scale manufacturing processes.
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