1293489-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1293489-74-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,3,4,8 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1293489-74:
(9*1)+(8*2)+(7*9)+(6*3)+(5*4)+(4*8)+(3*9)+(2*7)+(1*4)=203
203 % 10 = 3
So 1293489-74-3 is a valid CAS Registry Number.