146903-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 146903-23-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,9,0 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 146903-23:
(8*1)+(7*4)+(6*6)+(5*9)+(4*0)+(3*3)+(2*2)+(1*3)=133
133 % 10 = 3
So 146903-23-3 is a valid CAS Registry Number.