1393835-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1393835-74-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,3,8,3 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1393835-74:
(9*1)+(8*3)+(7*9)+(6*3)+(5*8)+(4*3)+(3*5)+(2*7)+(1*4)=199
199 % 10 = 9
So 1393835-74-9 is a valid CAS Registry Number.