255831-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 255831-64-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,5,8,3 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 255831-64:
(8*2)+(7*5)+(6*5)+(5*8)+(4*3)+(3*1)+(2*6)+(1*4)=152
152 % 10 = 2
So 255831-64-2 is a valid CAS Registry Number.