178619-01-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178619-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,6,1 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 178619-01:
(8*1)+(7*7)+(6*8)+(5*6)+(4*1)+(3*9)+(2*0)+(1*1)=167
167 % 10 = 7
So 178619-01-7 is a valid CAS Registry Number.