5-phenyl-2,3,4,4a,5,6-hexahydro-1H,13H-spiro[benzo[4,5]imidazo[2,1-j]quinoline-7,1'-isobenzofuran]-3'-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 71783-67-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,7,8 and 3 respectively; the second part has 2 digits, 6 and 7 respectively. Calculate Digit Verification of CAS Registry Number 71783-67: (7*7)+(6*1)+(5*7)+(4*8)+(3*3)+(2*6)+(1*7)=150 150 % 10 = 0 So 71783-67-0 is a valid CAS Registry Number.