1258789-64-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1258789-64-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,8,7,8 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1258789-64:
(9*1)+(8*2)+(7*5)+(6*8)+(5*7)+(4*8)+(3*9)+(2*6)+(1*4)=218
218 % 10 = 8
So 1258789-64-8 is a valid CAS Registry Number.