856849-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856849-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,8,4 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 856849-53:
(8*8)+(7*5)+(6*6)+(5*8)+(4*4)+(3*9)+(2*5)+(1*3)=231
231 % 10 = 1
So 856849-53-1 is a valid CAS Registry Number.