167747-78-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167747-78-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,7,4 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 167747-78:
(8*1)+(7*6)+(6*7)+(5*7)+(4*4)+(3*7)+(2*7)+(1*8)=186
186 % 10 = 6
So 167747-78-6 is a valid CAS Registry Number.