1283098-13-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1283098-13-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,3,0,9 and 8 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1283098-13:
(9*1)+(8*2)+(7*8)+(6*3)+(5*0)+(4*9)+(3*8)+(2*1)+(1*3)=164
164 % 10 = 4
So 1283098-13-4 is a valid CAS Registry Number.