Thiophene-2-Aldehyde
CAS 98-03-3Heterocyclic API building block
Also known as: Thiophene-2-Carbaldehyde, 2-Thiophenecarboxaldehyde, 2-Formylthiophene
- Pyrantel Pamoate
- Eprosartan
- Azosemide
- Teniposide
- Thiophene-based antiviral APIs

Thiophene chemistry underpins a growing share of modern heterocyclic APIs and electronic materials. We supply the core 2-substituted thiophene building blocks used in antiviral, anti-inflammatory and CNS routes as well as OLED and semiconductor applications.
Purity and packaging shown are typical trade specifications. Exact specifications are confirmed against your requirement at the quotation stage.
Where each intermediate goes in the finished-product chain — useful when qualifying us as an alternate vendor.
Heterocyclic API building block
Also known as: Thiophene-2-Carbaldehyde, 2-Thiophenecarboxaldehyde, 2-Formylthiophene
Ketone intermediate for CNS routes
Also known as: 2-Acetylthiophene, Methyl 2-thienyl ketone
Cross-coupling substrate
Also known as: 2-Bromothiophene
Alcohol intermediate & aroma chemical
Also known as: 2-Thiopheneethanol, 2-(2-Thienyl)ethanol
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