China Factory Direct
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| CAS number | 39021-62-0 |
| Product name | 1-METHYL-1H-IMIDAZOLE-5-CARBOXALDEHYDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial Grade |
| Packaging | 25KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used in the synthesis of antiviral or antitumor drug molecules | Participates in condensation, reduction, or cyclization reactions via the aldehyde functional group to construct heterocyclic scaffolds |
| Organic Synthesis | Construction of functional molecules containing imidazole structures | Introduces side chains via aldehyde-group transformations such as Wittig, Knoevenagel, or reductive amination |
| Materials Science | Synthesis of ligands or functional polymer precursors | Condenses with amine compounds to form Schiff bases for metal coordination or polymer crosslinking |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase HPLC with UV detection at 210-230 nm based on peak area calibration against reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally similar impurities using gradient HPLC-UV; identification supported by retention time comparison and spiked standards. |
| Residual Solvents | GC-FID | Measures volatile organic solvents (e.g., methanol, acetone, DMF) by headspace GC with flame ionization detection using external calibration. |
| Water Content | Karl Fischer Titration | Determines trace water via coulometric or volumetric titration where iodine reacts stoichiometrically with water in pyridine/methanol medium. |
| Acidity (as HCl) | Acid-Base Titration | Titrates acidic impurities (e.g., residual HCl) with standardized NaOH solution using phenolphthalein or potentiometric endpoint detection. |
| Heavy Metals | ICP-MS | Quantifies elements (Pb, Cd, Hg, As, etc.) after acid digestion by measuring elemental mass-to-charge ratios with high sensitivity and multi-element capability. |
| Residue on Ignition | Gravimetric Analysis | Measures inorganic ash content by incinerating sample at 500-600 C and weighing the non-volatile residue. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary apparatus per USP <741>. |
| Specific Optical Rotation | Polarimetry | Measures chiral purity (if applicable) by determining rotation angle of plane-polarized light through a solution at specified concentration and wavelength. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity of substance against standard references under controlled white-light conditions. |
| Particle Size Distribution | Laser Diffraction | Analyzes dry or wet dispersed sample to determine size distribution based on angular scattering intensity of laser beam. |
| pH of Aqueous Solution | pH Meter | Measures hydrogen ion activity in a defined aqueous suspension or solution using calibrated glass electrode system per USP <791>. |
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 78–82°C |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.