1430634-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1430634-90-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,0,6,3 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1430634-90:
(9*1)+(8*4)+(7*3)+(6*0)+(5*6)+(4*3)+(3*4)+(2*9)+(1*0)=134
134 % 10 = 4
So 1430634-90-4 is a valid CAS Registry Number.