← Back to patent-cliff list
CAS 23806-24-8
2-Carboxy-3-methylthiophene
Codes: (XXXVII)700647-1-e
Application context (from source-drug indications)
蠕形螨性睑缘炎Lotilaner螨虫感染Lotilaner莱姆病LotilanerRosaceaLotilaner睑板腺功能障碍Lotilaner
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Lotilaner | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
Intermediates available on this site
Side-by-side comparison of all listed offers on this CAS; price bands are list-price ranges, final price subject to RFQ confirmation.
| Supplier | Product | Price band | MOQ | Lead time | Qualifications | Action |
|---|---|---|---|---|---|---|
| Unibest Nantong cGMP Site | 2-bromo-3-methyl-5-acetylthiophene Pharmaceutical Intermediates | On request | On request | On request | — | |
| Unibest Taizhou GMP-like Site | methyl 5-acetyl-3-methylthiophene-2-carboxylate Pharmaceutical Intermediates | On request | On request | On request | — | |
| Qualified Partner — East China API Works | 5-acetyl-3-methyl-2-Thiophenecarboxylic acid Pharmaceutical Intermediates | On request | On request | On request | — |
This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.