1429903-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1429903-98-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,9,9,0 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1429903-98:
(9*1)+(8*4)+(7*2)+(6*9)+(5*9)+(4*0)+(3*3)+(2*9)+(1*8)=189
189 % 10 = 9
So 1429903-98-9 is a valid CAS Registry Number.