219828-82-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219828-82-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,8,2 and 8 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 219828-82:
(8*2)+(7*1)+(6*9)+(5*8)+(4*2)+(3*8)+(2*8)+(1*2)=167
167 % 10 = 7
So 219828-82-7 is a valid CAS Registry Number.