1199215-56-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1199215-56-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,9,2,1 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1199215-56:
(9*1)+(8*1)+(7*9)+(6*9)+(5*2)+(4*1)+(3*5)+(2*5)+(1*6)=179
179 % 10 = 9
So 1199215-56-9 is a valid CAS Registry Number.