862891-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 862891-84-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,2,8,9 and 1 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 862891-84:
(8*8)+(7*6)+(6*2)+(5*8)+(4*9)+(3*1)+(2*8)+(1*4)=217
217 % 10 = 7
So 862891-84-7 is a valid CAS Registry Number.