1198202-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1198202-53-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,8,2,0 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1198202-53:
(9*1)+(8*1)+(7*9)+(6*8)+(5*2)+(4*0)+(3*2)+(2*5)+(1*3)=157
157 % 10 = 7
So 1198202-53-7 is a valid CAS Registry Number.