3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE CAS 91-93-0 | High-Purity Supplier & Bulk Manufacturer
| Product Name | 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE |
|---|---|
| Synonyms | Dianisidine diisocyanate, 3,4'-biphenyl diisocyanate, 3,4'-diphenylyl isocyanate, 4,3'-dimethoxy-1,1'-biphenyl, 3,4'-biphenylylene isocyanate |
| CAS Number | 91-93-0 |
| Catalog No. | FT-0631442 |
| Molecular Formula | C16H12N2O4 |
| Molecular Weight | 296.2800 |
| IUPAC Name | 1-isocyanato-4-(4-isocyanato-3-methoxyphenyl)-2-methoxybenzene |
| InChI Key | QZWKEPYTBWZJJA-UHFFFAOYSA-N |
| Purity / Grade | 95% |
| Category | Fine Chemical Intermediates |
| Supply Scale | gram – kilogram – bulk |
| Documentation | COA, SDS, HPLC, NMR, MS (on request) |
| Custom Synthesis | Available |
| Shipping | Worldwide |

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- High-purity grades, COA & SDS included
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- Custom synthesis & scale-up
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3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE Overview
3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE (CAS 91-93-0) is a high-purity fine chemical and pharmaceutical intermediate supplied by Finetech Industry Limited for scientific research and product development. It has the molecular formula C16H12N2O4 and a molecular weight of 296.2800. It is offered as a well-defined building block and reference compound for laboratory research and analytical applications.
Finetech Industry Limited manufactures and supplies 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE in high-purity grades, supporting pharmaceutical companies, contract research organizations, academic laboratories and industrial customers. Supply capacities range from gram quantities to kilogram and bulk production, with custom synthesis available for non-catalog analogs and scale-up. The exact purity and specification are stated on the Certificate of Analysis for each batch.
Applications of 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE
Fine chemical building block
Used as a high-purity building block in organic synthesis and product development across research and industrial settings.
Analytical and QC applications
Suitable as a reference material for analytical method development, calibration and quality control.
Custom synthesis
Offered as an intermediate for custom synthesis, route development and scale-up.
Supplied as a general research reagent and intermediate for scientific research, analytical, industrial and commercial product-development applications, according to the product grade and the customer's intended use. Please confirm the applicable specification and intended-use requirements when requesting a quote.
Bulk Supply & Packaging
Finetech Industry Limited supplies 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE for research and larger-scale requirements with flexible packaging and scalable manufacturing.
Each shipment includes a COA, SDS, batch traceability and secure protective packaging. Customized packaging and labeling are available on request.
Supply Capabilities
Scale
- Gram scale
- Kilogram scale
- Multi-kg / bulk
- Custom / MT on request
Documentation
- COA
- SDS
- HPLC / GC
- NMR / MS
Manufacturing
- Custom synthesis
- Process development
- Scale-up
- Pilot production
Shipping
- North America
- Europe
- Asia / Middle East
- Oceania
3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE FAQ
What is the CAS number of 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE?
The CAS number of 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE is 91-93-0. Its molecular formula is C16H12N2O4 and molecular weight is 296.2800.
What purity of 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE does Finetech Industry Limited supply?
Finetech Industry Limited supplies 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE in high-purity grades. The exact purity is stated on the Certificate of Analysis for each batch and can be confirmed before ordering.
Can Finetech Industry Limited supply 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE in bulk?
Yes. Finetech Industry Limited supplies 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE from gram quantities to kilogram and bulk scale, and offers custom synthesis and scale-up.
Do you provide COA and SDS for 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE?
Yes. Every shipment includes a COA and SDS, with HPLC, NMR and MS data available on request.