5,8-dibromo-1,2,3,4,4a,5,8,8a-octahydro-1,4-methanonaphthalene-5-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 98978-47-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,9,7 and 8 respectively; the second part has 2 digits, 4 and 7 respectively. Calculate Digit Verification of CAS Registry Number 98978-47: (7*9)+(6*8)+(5*9)+(4*7)+(3*8)+(2*4)+(1*7)=223 223 % 10 = 3 So 98978-47-3 is a valid CAS Registry Number.