4-Hydroxy-7-methyl-2H-benzopyran-2-one

4-Hydroxy-7-methyl-2H-benzopyran-2-one is a pharmaceutical intermediate, offered with CAS number 18692-77-8. It is manufactured in-house by Jinan Honest Pharm Co., Ltd at chemical grade. The listing notes that it is a coumarin derivative used as a pharmaceutical intermediate in the synthesis of anticoagulant drugs such as warfarin, as well as a fragrance ingredient and fluorescent dye in research applications. Sold into North America, Western Europe, Asia, and the Middle East, it is produced to Chinese Pharmacopoeia (ChP) standard.