1282336-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1282336-81-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,2,3,3 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1282336-81:
(9*1)+(8*2)+(7*8)+(6*2)+(5*3)+(4*3)+(3*6)+(2*8)+(1*1)=155
155 % 10 = 5
So 1282336-81-5 is a valid CAS Registry Number.