954221-10-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 954221-10-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,4,2,2 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 954221-10:
(8*9)+(7*5)+(6*4)+(5*2)+(4*2)+(3*1)+(2*1)+(1*0)=154
154 % 10 = 4
So 954221-10-4 is a valid CAS Registry Number.