196604-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 196604-58-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,6,0 and 4 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 196604-58:
(8*1)+(7*9)+(6*6)+(5*6)+(4*0)+(3*4)+(2*5)+(1*8)=167
167 % 10 = 7
So 196604-58-7 is a valid CAS Registry Number.