Pyridinium, 1,2,4,6-tetramethyl-3-nitro-, iodide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 65081-41-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,0,8 and 1 respectively; the second part has 2 digits, 4 and 1 respectively. Calculate Digit Verification of CAS Registry Number 65081-41: (7*6)+(6*5)+(5*0)+(4*8)+(3*1)+(2*4)+(1*1)=116 116 % 10 = 6 So 65081-41-6 is a valid CAS Registry Number.