176697-78-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 176697-78-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,6,6,9 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 176697-78:
(8*1)+(7*7)+(6*6)+(5*6)+(4*9)+(3*7)+(2*7)+(1*8)=202
202 % 10 = 2
So 176697-78-2 is a valid CAS Registry Number.