1187169-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1187169-72-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,1,6 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1187169-72:
(9*1)+(8*1)+(7*8)+(6*7)+(5*1)+(4*6)+(3*9)+(2*7)+(1*2)=187
187 % 10 = 7
So 1187169-72-7 is a valid CAS Registry Number.