CAS-Based Sourcing
Every inquiry verified by CAS number before quotation.
- Match exact molecular entity across language barriers
- Manufacturer network checked against your CAS
- Specifications confirmed before pricing
Custom chemical sourcing
Fine Chemicals & Intermediates
Small-batch, mixed-batch and project-based procurement from China, with full documentation support.
Slide 1 of 6: Fine Chemicals & Intermediates
About Yian Chem
Custom chemical sourcing from China.
Fine chemicals supplier supporting global procurement from China.
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Products
Fine chemicals across six categories
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Categories
From pharma intermediates to surfactants
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MOQ
Small-batch orders for R&D validation
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Markets
Shipping to buyers across global regions
How it works
From inquiry to delivery.
Inquiry
Send us CAS & quantity
Quotation
Response within 1 business day
Sample
Verify quality before bulk
Order
Confirm specs, docs & shipping
Delivery
Shipped with full documentation
Why Yian Chem
What sets us apart.
Small-Batch Supply
Order from 1 kg, no minimum-order pressure.
- Pilot quantities for R&D process development
- Sample-then-bulk validation flow
- Ideal for formulators testing new ingredients
Mixed-Batch Procurement
Multiple CAS numbers consolidated in one shipment.
- Reduce logistics cost across diverse compounds
- Documentation grouped per product
- Common for labs and trading companies
Custom Sourcing
Hard-to-find intermediates located within 2-3 days.
- Manufacturer network across mainland China
- CAS + spec review before quotation
- Project-based engagement model
Document Support
COA, MSDS/SDS, TDS available per product on request.
- Tailored to destination country requirements
- Shipping classification when DG details available
- Provided before or with shipment
Products
Featured chemicals.
Pradofloxacin
195532-12-8
Purity: 98%
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Tungsten hexacarbonyl
14040-11-0
Purity: 99%+
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Dicyclopropyl ketone
1121-37-5
Purity: 98%
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DECAMETHYLTETRASILOXANE
141-62-8
Purity: 99%
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Dimethyl sulfate
77-78-1
Purity: 98.5%
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Pivaloyl chloride
3282-30-2
Purity: 99.5%
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Industries