1284258-78-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1284258-78-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,4,2,5 and 8 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1284258-78:
(9*1)+(8*2)+(7*8)+(6*4)+(5*2)+(4*5)+(3*8)+(2*7)+(1*8)=181
181 % 10 = 1
So 1284258-78-1 is a valid CAS Registry Number.