178676-72-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178676-72-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,6,7 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 178676-72:
(8*1)+(7*7)+(6*8)+(5*6)+(4*7)+(3*6)+(2*7)+(1*2)=197
197 % 10 = 7
So 178676-72-7 is a valid CAS Registry Number.