126521-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126521-74-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,5,2 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 126521-74:
(8*1)+(7*2)+(6*6)+(5*5)+(4*2)+(3*1)+(2*7)+(1*4)=112
112 % 10 = 2
So 126521-74-2 is a valid CAS Registry Number.