167900-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 167900-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,9,0 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 167900-52:
(8*1)+(7*6)+(6*7)+(5*9)+(4*0)+(3*0)+(2*5)+(1*2)=149
149 % 10 = 9
So 167900-52-9 is a valid CAS Registry Number.