678992-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 678992-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,8,9,9 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 678992-19:
(8*6)+(7*7)+(6*8)+(5*9)+(4*9)+(3*2)+(2*1)+(1*9)=243
243 % 10 = 3
So 678992-19-3 is a valid CAS Registry Number.