261929-58-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 261929-58-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,1,9,2 and 9 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 261929-58:
(8*2)+(7*6)+(6*1)+(5*9)+(4*2)+(3*9)+(2*5)+(1*8)=162
162 % 10 = 2
So 261929-58-2 is a valid CAS Registry Number.