Dual Sourcing for API Intermediates: A Buyer’s Qualification Checklist
This checklist shows buyers how to qualify a second supplier in six steps — documentation, batch consistency, quality agreements, and activation triggers included.
2-Methoxy-4-cyanobenzaldehyde;4-formyl-3-methoxybenzonitrile;4-Cyaon-2-methoxybenzaldehyde
CAS:21962-45-8
Chemical Formula:C9H7NO2
Molecular Weight:161.16
Availability: R&D; Commercialization
⬤ CAS No.21962-45-8
⬤ Packaging type:
20kg barrel;5kg barrel;1kg bag;500g bag ; Customized Packaging
| Product Name | 4-Cyaon-2-methoxybenzaldehyde |
| CAS No. | 21962-45-8 |
| Chemical Formula | C9H7NO2 |
| Molecular Weight | 161.16 |
| Related Categories | Finerenone intermediates;Diabetes Drug;Anti-Diabetes |
| EINECS | 804-777-4 |
| Melting point | 109-111℃ |
| Boiling point | 155 – 162°C |
| Density | 1.18 |
| Vapor Pressure | 0.003-2.3Pa at 20-80℃ |
| Flash point | 138℃ |
| Storage conditions | under inert gas (nitrogen or Argon) at 2-8°C |
| LogP | 1.42 at 20℃ and pH7 |
| InChI | InChI=1S/C9H7NO2/c1-12-9-4-7(5-10)2-3-8(9)6-11/h2-4,6H,1H3 |
| Note | This product is a chemical product and is only used for new drug research and development, process research, chemical intermediate reprocessing, etc. |
| Application | Used to treat diabetes. |
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June 15, 2023
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June 15, 2023
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June 15, 2023
Precise Product Specifications
“Tianming Pharmaceutical has impressed us with their adherence to precise product specifications. Each order is meticulously packaged and delivered exactly as requested, ensuring that we receive products that perfectly meet our requirements. Their attention to detail and commitment to accuracy have made them a trusted supplier for our business.”
June 15, 2023
This checklist shows buyers how to qualify a second supplier in six steps — documentation, batch consistency, quality agreements, and activation triggers included.
This article presents a buyer’s decision framework built on six factors: specification match, lead time predictability, total cost of ownership, batch-to-batch consistency, documentation depth, and scale-up continuity.
Switching intermediate suppliers for 20% lower price? Six hidden costs including bridging studies, regulatory filings, and method revalidation can reach $600K.
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