6-methyl-1,3,4c,8t-tetraphenyl-(4ar,7ac)-4,4a,7a,8-tetrahydro-furo[3,4-f]isoindole-5,7-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 54562-75-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,5,6 and 2 respectively; the second part has 2 digits, 7 and 5 respectively. Calculate Digit Verification of CAS Registry Number 54562-75: (7*5)+(6*4)+(5*5)+(4*6)+(3*2)+(2*7)+(1*5)=133 133 % 10 = 3 So 54562-75-3 is a valid CAS Registry Number.