196804-38-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 196804-38-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,6,8,0 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 196804-38:
(8*1)+(7*9)+(6*6)+(5*8)+(4*0)+(3*4)+(2*3)+(1*8)=173
173 % 10 = 3
So 196804-38-3 is a valid CAS Registry Number.