178982-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178982-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,9,8 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 178982-53:
(8*1)+(7*7)+(6*8)+(5*9)+(4*8)+(3*2)+(2*5)+(1*3)=201
201 % 10 = 1
So 178982-53-1 is a valid CAS Registry Number.