1278407-69-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1278407-69-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,8,4,0 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1278407-69:
(9*1)+(8*2)+(7*7)+(6*8)+(5*4)+(4*0)+(3*7)+(2*6)+(1*9)=184
184 % 10 = 4
So 1278407-69-4 is a valid CAS Registry Number.