1254212-34-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1254212-34-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,2,1 and 2 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1254212-34:
(9*1)+(8*2)+(7*5)+(6*4)+(5*2)+(4*1)+(3*2)+(2*3)+(1*4)=114
114 % 10 = 4
So 1254212-34-4 is a valid CAS Registry Number.