WHCHEM · CHEMISTRY FOR INNOVATION
Specialty Chemical Intermediates
& Custom Synthesis
Organophosphorus compounds, pharmaceutical and OLED intermediates for research and process development. Explore dated stock records or send your target structure and supply requirements.
Featured Chemical Intermediates
Selected from our supply portfolio. Review recorded quantities and dates, then request confirmation for your required specification and delivery schedule.
| Product | CAS No. | Supply record | Reviewed | |
|---|---|---|---|---|
| Trichloroacetyl isocyanate | 3019-71-4 | 1,600 kg | 2026-10-20 | View → |
| 2-Diethoxyphosphoryl-N,N-dimethylacetamide | 3842-86-2 | Approx. 2,000 kg | 2026-10-20 | View → |
| Pentafluorophenyl trifluoroacetate | 14533-84-7 | 100 kg | 2026-10-20 | View → |
| Pentamethylenebis(triphenylphosphonium bromide) | 22884-31-7 | 2 kg | 2026-10-20 | View → |
| 2,5-Diiodothiophene | 625-88-7 | 20 kg | 2026-10-20 | View → |
| 4-Methoxybenzyl 2,2,2-trichloroacetimidate | 89238-99-3 | 3 kg | 2026-10-20 | View → |
| tert-Butyl vinylcarbamate (N-Boc vinylamine) | 7150-72-3 | 8 kg | 2026-10-20 | View → |
| Methyl 3-formylbenzoate | 52178-50-4 | 3 kg | 2026-10-20 | View → |
Find Chemicals for Your Project
Start with your research need, then review the linked product identity and specifications. Application routes help you browse; project suitability is assessed against your requirements.
Organic Synthesis & Process Research
Compare defined building blocks and reagents by structure, specification and the requirements of your route.
OLED & Organic Materials Research
Start with thiophene and other aromatic building blocks. Define the additional analytical criteria for your materials project.
Protection & Functional-Group Reagents
Explore PMB protection and pentafluorophenyl trifluoroacetate. Confirm molecular identity and route-specific acceptance criteria.
Custom Synthesis & Scale-Up
For a target outside the catalog, send the structure, quantity, purity and analytical requirements for project review.
Explore Our Chemistry
Specialized chemical components categorized by molecular application.
Chemical Intermediates
Functionalized building blocks and specialty reagents for research, synthesis and repeat-supply enquiries.
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Pharmaceutical Intermediates
Defined intermediates and reagents for pharmaceutical research and process-development enquiries.
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OLED Intermediates
Molecular building blocks for OLED and organic-materials research, with project-specific specification review.
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Organophosphorus Compounds
Phosphine ligands, phosphonium salts, phosphonates and phosphine oxides for synthesis and project-specific requirements.
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Custom Synthesis Catalog
Catalog structures for project enquiries. For assessment and project requirements, visit Custom Synthesis.
Browse products →All Products
Browse the complete product catalog
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Why WHCHEM
Fine chemical sourcing and product supply for international buyers. Discuss specifications, stock and technical documentation with WHCHEM.
Organophosphorus & synthesis expertise
Phosphonates, phosphonium salts, isocyanates and project-specific synthesis, with defined specifications and analytical requirements.
Dated stock quantities
Recorded quantities and review dates are visible before your enquiry.
Documents before order confirmation
Review the available COA, SDS and specification for the proposed material.
Custom synthesis: grams to 100 kg
Defined project scope, analytical requirements and staged delivery milestones.
From Product Identity to Supply Confirmation
A clear path from your target compound to an agreed supply plan.
- 01
Identify the Product
Send the CAS number, chemical name or target structure.
- 02
Define the Specification
Define quantity, purity and your analytical requirements.
- 03
Review Supply Options
Review available documents, current stock and any project-specific work.
- 04
Confirm Your Order
Agree the quotation, packaging and delivery arrangements before ordering.
How Can We Help With Your Purchase?
Stock & Catalog Products
Know your CAS? Review product identity, catalog specifications and dated stock records. Ask for the quantity and documents you need.
Browse stock products →Bulk & Repeat Supply
Planning a larger purchase or repeat orders? Send your quantity, schedule and packaging requirements for a supply review.
Discuss a supply requirement →Custom Synthesis
Have a target structure or route? Request an assessment covering feasibility, analytical requirements and the proposed deliverable.
Submit a synthesis request →Quality & Documentation
Specify whether you need a reference COA, proposed-batch data, SDS or a specification sheet. Document availability and additional tests are confirmed for the individual material.
Prepare a document request →Request Quotation or Technical Data
Leave your name, WhatsApp or phone number, and CAS number. Email, other requirements and company name are optional.
Phone
8615638140770
Address
Parkin Building, Cuizhu Street, High-tech Development Zone, Zhengzhou, China
Frequently Asked Questions
Answers to common questions about sourcing fine chemical and pharmaceutical intermediates from Zhengzhou WHCHEM.
Who is Zhengzhou WHCHEM?
Zhengzhou WHCHEM is a China-based supplier of fine chemical and pharmaceutical intermediates, OLED intermediates and organophosphorus compounds for international buyers. WHCHEM supports custom synthesis projects and manages product specifications, technical documentation and international delivery requirements.
Can you supply small quantities for research?
Send the quantity needed for your current project. Sample quantities, minimum order quantity and packaging are confirmed for the specific material in our quotation.
What documentation do you provide?
Request the available COA, specification sheet, SDS or identity information for the proposed material. Document availability and any additional testing are confirmed for your request.
How fast is international delivery?
Provide your delivery country and target date. We confirm the current supply position, shipping options and lead time when preparing your quotation.
Do you support custom synthesis?
Send the target structure, quantity and specification for a project assessment. Feasibility, scope, analytical requirements and timing need to be confirmed before a proposal is agreed.