647826-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 647826-13-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,7,8,2 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 647826-13:
(8*6)+(7*4)+(6*7)+(5*8)+(4*2)+(3*6)+(2*1)+(1*3)=189
189 % 10 = 9
So 647826-13-9 is a valid CAS Registry Number.