142680-63-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142680-63-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,6,8 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 142680-63:
(8*1)+(7*4)+(6*2)+(5*6)+(4*8)+(3*0)+(2*6)+(1*3)=125
125 % 10 = 5
So 142680-63-5 is a valid CAS Registry Number.