1154912-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1154912-74-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,4,9,1 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1154912-74:
(9*1)+(8*1)+(7*5)+(6*4)+(5*9)+(4*1)+(3*2)+(2*7)+(1*4)=149
149 % 10 = 9
So 1154912-74-9 is a valid CAS Registry Number.