1378428-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1378428-99-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,8,4,2 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1378428-99:
(9*1)+(8*3)+(7*7)+(6*8)+(5*4)+(4*2)+(3*8)+(2*9)+(1*9)=209
209 % 10 = 9
So 1378428-99-9 is a valid CAS Registry Number.