Sodium; 8-benzyl-1,3-dimethyl-2,4,7-trioxo-1,2,3,4,7,8-hexahydro-1,3,4b,8,9-pentaaza-fluoren-5-olate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 91285-48-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,8 and 5 respectively; the second part has 2 digits, 4 and 8 respectively. Calculate Digit Verification of CAS Registry Number 91285-48: (7*9)+(6*1)+(5*2)+(4*8)+(3*5)+(2*4)+(1*8)=142 142 % 10 = 2 So 91285-48-2 is a valid CAS Registry Number.