146989-85-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 146989-85-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,9,8 and 9 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 146989-85:
(8*1)+(7*4)+(6*6)+(5*9)+(4*8)+(3*9)+(2*8)+(1*5)=197
197 % 10 = 7
So 146989-85-7 is a valid CAS Registry Number.