4-Methylcumarinsaeure, also known as 4-methylcoumarin, is an organic compound with the chemical formula C10H8O2. It is a white crystalline substance that belongs to the coumarin family, which are naturally occurring benzopyrones found in plants. 4-Methylcoumarin is characterized by a benzene ring fused to a lactone ring, with a methyl group attached to the fourth carbon of the benzene ring. 4-Methylcumarinsaeure is widely used in various applications, including as a fragrance ingredient in perfumes, a flavoring agent in food and beverages, and a chemical intermediate in the synthesis of other compounds. It is also used in the production of certain pharmaceuticals and as a marker in analytical chemistry. Due to its potential health risks, its use in food and beverages is regulated in some countries.
The CAS Registry Mumber 828-90-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,2 and 8 respectively; the second part has 2 digits, 9 and 0 respectively. Calculate Digit Verification of CAS Registry Number 828-90: (5*8)+(4*2)+(3*8)+(2*9)+(1*0)=90 90 % 10 = 0 So 828-90-0 is a valid CAS Registry Number.