1586780-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1586780-98-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,6,7,8 and 0 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1586780-98:
(9*1)+(8*5)+(7*8)+(6*6)+(5*7)+(4*8)+(3*0)+(2*9)+(1*8)=234
234 % 10 = 4
So 1586780-98-4 is a valid CAS Registry Number.