1786-62-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1786-62-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,8 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1786-62:
(6*1)+(5*7)+(4*8)+(3*6)+(2*6)+(1*2)=105
105 % 10 = 5
So 1786-62-5 is a valid CAS Registry Number.