1,4-Dioxa-2-azaspiro[4.5]deca-2,6,9-trien-8-one,
6,7,9,10-tetrafluoro-3-(2,4,6-trimethylphenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 63403-97-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,4,0 and 3 respectively; the second part has 2 digits, 9 and 7 respectively. Calculate Digit Verification of CAS Registry Number 63403-97: (7*6)+(6*3)+(5*4)+(4*0)+(3*3)+(2*9)+(1*7)=114 114 % 10 = 4 So 63403-97-4 is a valid CAS Registry Number.