17682-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17682-63-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,6,8 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 17682-63:
(7*1)+(6*7)+(5*6)+(4*8)+(3*2)+(2*6)+(1*3)=132
132 % 10 = 2
So 17682-63-2 is a valid CAS Registry Number.