167478-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167478-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,4,7 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 167478-87:
(8*1)+(7*6)+(6*7)+(5*4)+(4*7)+(3*8)+(2*8)+(1*7)=187
187 % 10 = 7
So 167478-87-7 is a valid CAS Registry Number.