CAS 21962-45-8 : Industrial Uses, Purity Standards & Reliable Sourcing
In specialty chemical manufacturing, sourcing the right intermediate can make or break a production process. CAS 21962-45-8 — the CAS number for 4-Cyano-2-Methoxybenzaldehyde — is one such compound that researchers and manufacturers rely on heavily. It serves as an important intermediate in organic synthesis, pharmaceutical research, and specialty chemical manufacturing. Jay Finechem is a trusted name in the specialty chemicals industry. The company supplies high-purity intermediates to laboratories, research institutions, and industrial manufacturers across the globe. Their product range reflects a deep understanding of what chemists and production teams actually need — consistency, purity, and reliable delivery.
What Is 4-Cyano-2-Methoxybenzaldehyde?
4-Cyano-2-Methoxybenzaldehyde is an aromatic aldehyde carrying both a cyano group and a methoxy group on the benzene ring. This dual-functionality makes it extremely useful in multi-step organic synthesis intermediates pathways.
Its molecular formula is C₉H₇NO₂. This compound is typically found in the form of a pale crystalline solid. It has a well-defined melting point and stable shelf life under proper storage conditions.
Key physical characteristics include:
Molecular Weight: 161.16 g/mol
Appearance: Off-white to light yellow crystalline powder
Solubility: Soluble in common organic solvents like ethanol and DMSO
Purity Grade Available: 97%+ (as supplied by Jay Finechem)
Industrial Applications of CAS 21962-45-8 Across Key Sectors
The versatility of CAS 21962-45-8 makes it valuable across several high-demand industries. Each sector uses this compound differently but depends on the same core properties — reactivity, purity, and structural stability.
Pharmaceutical Synthesis
In pharma, this compound acts as a key chemical raw material for building complex drug molecules. Its aldehyde group readily participates in condensation reactions. The cyano group adds further reactivity for heterocycle formation.
Many active pharmaceutical ingredients (APIs) require methoxy-substituted aromatic precursors at some stage of synthesis. This compound fits that role precisely.
Agrochemical Formulation
Agrochemical developers use aromatic aldehyde intermediates like this one to design herbicide and fungicide molecules. The structural rigidity and electron-withdrawing groups make it suitable for building molecules with strong biological activity.
Dye and Pigment Chemistry
The compound also finds use in specialty chemical manufacturing for dyes and optical brighteners. Its conjugated molecular framework exhibits strong interactions with chromophore systems, supporting its use in color-related chemical applications.
Laboratory Research Applications
University labs and R&D centers use this compound for reaction screening, catalyst testing, and structural studies. It is a reliable starting material for laboratory applications in heterocyclic and medicinal chemistry research.
Why Purity Standards Matter in Chemical Sourcing
When working with fine chemicals, purity is not optional. Even a 1–2% impurity can disrupt reaction yields or contaminate a batch. This is especially true in pharmaceutical raw material procurement and regulated manufacturing environments.
Jay Finechem maintains strict quality control protocols. Each batch undergoes full analytical verification, including:
HPLC purity testing
Melting point confirmation
NMR spectral verification
COA (Certificate of Analysis) issuance
These steps ensure that what you order is exactly what arrives — pure, stable, and synthesis-ready.
Jay Finechem's Sourcing Reliability
The company stocks a broad catalog of organic synthesis intermediates, including niche compounds that are hard to find elsewhere. Their procurement team works with verified manufacturing partners to ensure supply continuity.
For buyers in pharmaceutical, agrochemical, and research sectors, this reliability is a key deciding factor when choosing a chemical supplier.
Jay Finechem's Commitment to Quality and Compliance
Every product listed on the Jay Finechem platform includes full technical documentation. This covers safety data sheets (SDS), purity certificates, and structural confirmations. This level of transparency supports regulatory compliance for buyers in regulated industries.
For further reference on specialty chemical standards, the American Chemical Society (ACS) provides guidelines on chemical purity and reagent classification: https://www.acs.org
Customer Testimonials
Rahul M., Senior Research Chemist, Pune: "We obtained 4-Cyano-2-Methoxybenzaldehyde from Jay Finechem for use in a complex multi-step synthesis program. The purity was exactly as listed and the COA matched perfectly. Delivery was on time with proper packaging. We will definitely order again."
Priya S., Procurement Manager, Mumbai-based Pharma Company: "Finding consistent quality for niche intermediates is always a challenge. Jay Finechem resolved that for us. Their team was responsive and documentation was complete. Highly recommended for specialty chemical sourcing."
Frequently Asked Questions
Q1: What Is CAS Number 21962-45-8 Used For?
21962-45-8 refers to 4-Cyano-2-Methoxybenzaldehyde. It is used as an organic synthesis intermediate in pharmaceutical, agrochemical, and dye manufacturing processes.
Q2: Where Can I Buy 21962-45-8 With High Purity?
You can source high-purity CAS 21962-45-8 directly from Jay Finechem. They offer verified purity grades with full analytical documentation and fast dispatch.
Q3: What Purity Grade Does Jay Finechem Offer for This Compound?
Jay Finechem supplies 4-Cyano-2-Methoxybenzaldehyde at 97%+ purity, verified through HPLC and NMR analysis with full batch documentation.
Q4: Is 21962-45-8 Suitable for Pharmaceutical Intermediate Use?
Yes. When sourced at the correct purity level, this compound works well as a pharmaceutical raw material and building block for API synthesis.
Q5: How Does Jay Finechem Ensure the Quality of Its Specialty Chemicals?
Jay Finechem follows strict quality control procedures including batch-level testing, COA issuance, and compliance with standard chemical documentation requirements.
Conclusion
Sourcing the right chemical intermediate saves time, reduces waste, and protects product quality.CAS 21962-45-8 is a dependable compound for researchers and manufacturers who need a reactive, high-purity aromatic aldehyde. For reliable supply and professional service, reach out to Jay Finechem today.














