681848-51-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 681848-51-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,1,8,4 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 681848-51:
(8*6)+(7*8)+(6*1)+(5*8)+(4*4)+(3*8)+(2*5)+(1*1)=201
201 % 10 = 1
So 681848-51-1 is a valid CAS Registry Number.