188677-56-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 188677-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,6,7 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 188677-56:
(8*1)+(7*8)+(6*8)+(5*6)+(4*7)+(3*7)+(2*5)+(1*6)=207
207 % 10 = 7
So 188677-56-7 is a valid CAS Registry Number.