1255784-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1255784-16-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,5,7,8 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1255784-16:
(9*1)+(8*2)+(7*5)+(6*5)+(5*7)+(4*8)+(3*4)+(2*1)+(1*6)=177
177 % 10 = 7
So 1255784-16-7 is a valid CAS Registry Number.