1293988-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1293988-98-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,3,9,8 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1293988-98:
(9*1)+(8*2)+(7*9)+(6*3)+(5*9)+(4*8)+(3*8)+(2*9)+(1*8)=233
233 % 10 = 3
So 1293988-98-3 is a valid CAS Registry Number.