1164555-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1164555-12-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,4,5,5 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1164555-12:
(9*1)+(8*1)+(7*6)+(6*4)+(5*5)+(4*5)+(3*5)+(2*1)+(1*2)=147
147 % 10 = 7
So 1164555-12-7 is a valid CAS Registry Number.