8-phenyl-8,8a,9,10,11,12-hexahydro-7H-spiro[benzo[4,5][1,3]oxazino[2,3-j]quinoline-6,1'-isobenzofuran]-14,3'-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 71802-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,0 and 2 respectively; the second part has 2 digits, 5 and 3 respectively. Calculate Digit Verification of CAS Registry Number 71802-53: (7*7)+(6*1)+(5*8)+(4*0)+(3*2)+(2*5)+(1*3)=114 114 % 10 = 4 So 71802-53-4 is a valid CAS Registry Number.