1281992-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1281992-63-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,1,9,9 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1281992-63:
(9*1)+(8*2)+(7*8)+(6*1)+(5*9)+(4*9)+(3*2)+(2*6)+(1*3)=189
189 % 10 = 9
So 1281992-63-9 is a valid CAS Registry Number.