1254781-51-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1254781-51-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,7,8 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1254781-51:
(9*1)+(8*2)+(7*5)+(6*4)+(5*7)+(4*8)+(3*1)+(2*5)+(1*1)=165
165 % 10 = 5
So 1254781-51-5 is a valid CAS Registry Number.