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CAS 1356834-09-7
4-(1,3-dioxo-1-phenylbutan-2-yl)benzenesulfonic acid
Codes: PARE-015
Application context (from source-drug indications)
Postoperative painParecoxib Sodium神经疾病Parecoxib Sodium肩部疼痛Parecoxib Sodium
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Parecoxib Sodium | 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.
1,2-diphenylethan-1-one→4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonamide→propionic anhydride→4-(2-oxo-2-phenylethyl)benzenesulfonic acid→4-(1,3-dioxo-1-phenylbutan-2-yl)benzenesulfonic acid→4-(5-methyl-3-phenylisoxazol-4-yl)benzenesulfonic acid
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 | 5-Methyl-3,4-diphenylisoxazole 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.