167257-58-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167257-58-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,2,5 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 167257-58:
(8*1)+(7*6)+(6*7)+(5*2)+(4*5)+(3*7)+(2*5)+(1*8)=161
161 % 10 = 1
So 167257-58-1 is a valid CAS Registry Number.