CAS Registry Number

CAS 621-59-0 — Isovanillin (3-Hydroxy-4-methoxybenzaldehyde)

Isovanillin (3-Hydroxy-4-methoxybenzaldehyde) is a naturally occurring aromatic aldehyde used as a flavoring agent, fragrance component, and intermediate in organic synthesis, particularly in the production of vanillin derivatives. It delivers a sweet, creamy, and slightly smoky aroma with vanilla-like notes, making it valuable in food, beverage, and cosmetic formulations. This chemical has a CAS number of 621-59-0, with the molecular formula HOC6H3(OCH3)CHO and a molecular weight of 152.15 g/mol. It requires storage at -15 to -20°C and carries a signal word of *Warning* for safety classification. Molekula supplies Isovanillin from research to bulk quantities with full documentation and ISO 9001:2015 traceability.