Robuta

https://apicule.com/api-intermediates/5-methylisoxazole-4-carboxylic-acid/ 5-Methylisoxazole-4-carboxylic acid (CAS No: 42831-50-5) API Intermediate Manufacturers May 7, 2026 - 5-Methylisoxazole-4-carboxylic acid (CAS No: 42831-50-5) is a key pharmaceutical intermediate used in the synthesis of APIs Leflunomide. This compound serves... carboxylic acid https://virbox.net/asn-lookup/42831/ ASN lookup for 42831 Lookup for AS42831: first range is 2.26.36.0/22; description - None. asn lookup