1159428-67-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1159428-67-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,9,4,2 and 8 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1159428-67:
(9*1)+(8*1)+(7*5)+(6*9)+(5*4)+(4*2)+(3*8)+(2*6)+(1*7)=177
177 % 10 = 7
So 1159428-67-7 is a valid CAS Registry Number.