264619-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 264619-90-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,4,6,1 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 264619-90:
(8*2)+(7*6)+(6*4)+(5*6)+(4*1)+(3*9)+(2*9)+(1*0)=161
161 % 10 = 1
So 264619-90-1 is a valid CAS Registry Number.