6859-63-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6859-63-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,5 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6859-63:
(6*6)+(5*8)+(4*5)+(3*9)+(2*6)+(1*3)=138
138 % 10 = 8
So 6859-63-8 is a valid CAS Registry Number.