1258609-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1258609-83-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,6,0 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1258609-83:
(9*1)+(8*2)+(7*5)+(6*8)+(5*6)+(4*0)+(3*9)+(2*8)+(1*3)=184
184 % 10 = 4
So 1258609-83-4 is a valid CAS Registry Number.