869942-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 869942-54-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,9,9,4 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 869942-54:
(8*8)+(7*6)+(6*9)+(5*9)+(4*4)+(3*2)+(2*5)+(1*4)=241
241 % 10 = 1
So 869942-54-1 is a valid CAS Registry Number.