167258-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167258-61-9 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 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 167258-61:
(8*1)+(7*6)+(6*7)+(5*2)+(4*5)+(3*8)+(2*6)+(1*1)=159
159 % 10 = 9
So 167258-61-9 is a valid CAS Registry Number.